This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. Get the latest coronavirus (COVID-19) updates for the USA with current travel advice, statistics and online resources.. Below are average maximum temperatures at popular destinations in Arizona in December. View detailed forecast, © WeatherTAB 2020. There are 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Phoenix. 60 F Phoenix Sky Harbor International Airport Station | Report. In most years, Phoenix averages a daily maximum temperature for December that's between 65 and 70 degrees Fahrenheit (18 to 21 degrees Celsius). Thank you for reporting this station. The shaded overlays indicate night and civil twilight. The average l… The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). The average daily incident shortwave solar energy in Phoenix is essentially constant during December, remaining within 0.1 kWh of 3.3 kWh throughout. The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds. Within 50 miles contains very significant variations in elevation (6,909 feet). Clear throughout the day. For reference, on February 19, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 38%, while on June 13, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 86%. The area within 2 miles of Phoenix is covered by artificial surfaces (52%) and shrubs (48%), within 10 miles by artificial surfaces (51%) and shrubs (44%), and within 50 miles by shrubs (85%). The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon. However, if it does rain/snow during the month, expect most of it to occur on higher risk days. Free Long Range Weather Forecast for Phoenix, Arizona. The past two months were the cloudiest November and December in Phoenix in at least 19 years. High 69, low 38. Phoenix Weather for December 2020. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. The percentage of time spent at various humidity comfort levels, categorized by dew point. The black line is the percentage chance that a given day is within the growing season. The average high temperature in Phoenix from Dec. 1 (the start of winter for meteorologists) through Feb. 10 has been 66.3 degrees, according to National Weather Service numbers. Not all risky days will have rain/snow. July is on average the WARMEST month. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The shortest day of the month is December 21, with 9 hours, 56 minutes of daylight and the longest day is December 1, with 10 hours, 5 minutes of daylight. Show weather for: Scroll right to see more Conditions Comfort ; Time Temp Weather Wind Humidity Barometer Visibility; 12:51 am Mon, Apr 1: 69 °F: Passing clouds. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. December is on average the COOLEST month. December is the coldest month overall for Phoenix and the … WeatherTAB Phoenix, Arizona ... December 2020 Summary Precipitation Forecast Wetter Than Normal. Time zones for airports and weather stations are provided by AskGeo.com . The lowest daily average high temperature is 65°F on December 25. For each station, the records are corrected for the elevation difference between that station and Phoenix according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. Daylight saving time is not observed in Phoenix during 2020. Get the monthly weather forecast for Phoenix, AZ, including daily high/low, historical averages, to help you plan ahead. Rain in the morning and afternoon. The month of December in Phoenix experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 31% to 35%. 3 mph ↑ 24%: 29.93 "Hg: 10 mi: 2:51 am: 64 °F: Passing clouds. For reference, on July 4, the hottest day of the year, temperatures in Phoenix typically range from 84°F to 107°F, while on December 27, the coldest day of the year, they range from 45°F to 65°F. For reference, on April 29, the windiest day of the year, the daily average wind speed is 7.5 miles per hour, while on August 15, the calmest day of the year, the daily average wind speed is 5.7 miles per hour. The average accumulated growing degree days in Phoenix are increasing during December, increasing by 187°F, from 7,956°F to 8,143°F, over the course of the month. Phoenix, AZ Weather History star_ratehome. The earliest sunset is 5:20 PM on December 3 and the latest sunset is 11 minutes later at 5:31 PM on December 31. We will review the data in question. We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. The thin dotted lines are the corresponding average perceived temperatures. The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than. The solar day over the course of December. A series of tables gives December data by year for temperature and precipitation. Toggle navigation. Within 10 miles is essentially flat (1,722 feet). Toggle navigation. 5 mph winds, with gusts up to 11 mph. How sunny is it in Phoenix in December? In this report, we use a base of 50°F and a cap of 86°F. Ouargla, Algeria (6,361 miles away) is the far-away foreign place with temperatures most similar to Phoenix (view comparison). The lowest average daily incident shortwave solar energy during December is 3.1 kWh on December 23. Includes Daily Risk of Precipitation, High/Low/Average Temperatures, Heating/Cooling Degree Days and Growing Degree Days, Transition Day – Start or End of a Risky Period. The Valley of the Sun didn't live up to its name over the last two months of 2019. Snow in Scottsdale It snowed in the higher elevations of the Phoenix metro area, including north Scottsdale and Cave Creek , … The estimated value at Phoenix is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Phoenix and a given station. Select a destination to see more weather parameters. 10 December 2020 - Posted in Weather Records - Permalink On December 9th, the high temperature was a warm 80º in Phoenix. Please select the information that is incorrect. The lowest daily average wind speed during December is 6.7 miles per hour on December 16. Here is a look at some of Arizona's top weather events of 2019. Phoenix Weather: Check the latest Phoenix Arizona weather forecast and current temperatures from azcentral.com. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. Temperatures in Phoenix are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. Weather forecasts that start where the others stop. This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Clear throughout the day. In Phoenix, the chance of a wet day over the course of December is essentially constant, remaining around 10% throughout. According to data from the National Weather Service, the start of the winter was actually very…average. The earliest sunrise of the month in Phoenix is 7:14 AM on December 1 and the latest sunrise is 18 minutes later at 7:32 AM on December 31. The minimum temperature usually falls between 43 and 46 °F (6 to 8 °C). The year 2019 ended up being only the 28th warmest year recorded in the history of central Arizona (Phoenix), and the 46th warmest recorded for southwest Arizona (Yuma). This report illustrates the typical weather in Phoenix, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. Phoenix picks up first measurable rainfall in nearly 4 months. But when you look at the average low temperature and the average temperature (taking the average high and low and dividing by two), the numbers get even closer. There are normally 8 hours of bright sunshine each day in Phoenix in December - that's 79% of daylight hours. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. Daytime temperatures usually reach 19°C in Phoenix in December, falling to 4°C at night. The shaded overlays indicate night and civil twilight. The clearest day of the month is December 2, with clear, mostly clear, or partly cloudy conditions 69% of the time. Phoenix Weather History for April 1, 2019. Enter any city, zip or place. The average hourly temperature, color coded into bands. The lowest daily average low temperature is 45°F on December 27. Shortwave radiation includes visible light and ultraviolet radiation. The figure below presents a compact representation of key lunar data for December 2020. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). Average Weather in December in Phoenix Arizona, United States. The average sliding 31-day rainfall during December in Phoenix is essentially constant, remaining about 1.0 inches throughout, and rarely exceeding 2.7 inches. We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The stations contributing to this reconstruction are: Phoenix Sky Harbor International Airport (74%, 7 kilometers, east); Phoenix-Deer Valley Airport (9%, 27 kilometers, north); Phoenix Goodyear Airport (9%, 29 kilometers, west); and Luke Air Force Base (8%, 29 kilometers, northwest). Calendar overview of Months Weather Forecast. We assume no responsibility for any decisions made on the basis of the content presented on this site. Get the monthly weather forecast for Phoenix, AZ, including daily high/low, historical averages, to help you plan ahead. Phoenix - Recent December Temperatures and Rainfall The numbers here describe what the December weather in Phoenix, Arizona was like for every year since 2010. Enter Your City, ST or ZIP Code ... (1896-2019) Record High: 87 on Nov 23 2017, Nov 27 2014, and Nov 23 1950. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages. Weather history for Phoenix, Arizona for November 22, 2020. support@__remove_this_part__weatherspark.com. Clear throughout the day. Best for planning. The percentage of time spent in various temperature bands. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. For the purposes of this report, the geographical coordinates of Phoenix are 33.448 deg latitude, -112.074 deg longitude, and 1,083 ft elevation. Weather reports from November 2019 in Phoenix, Arizona, USA with highs and lows The number of hours during which the Sun is visible (black line). The thin dotted line is the corresponding average liquid-equivalent snowfall. [PHOTOS: Surprise storm brings rain, hail in north Phoenix, Scottsdale] The National Weather Service said up to a quarter-size hail was possible. Sunday, December 13. The line of … Phoenix, AZ Weather History star_ratehome. Today’s and tonight’s Phoenix, AZ weather forecast, weather conditions and Doppler radar from The Weather Channel and Weather.com We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year. For reference, on June 20, the longest day of the year, the Sun rises at 5:18 AM and sets 14 hours, 22 minutes later, at 7:41 PM, while on December 21, the shortest day of the year, it rises at 7:28 AM and sets 9 hours, 56 minutes later, at 5:24 PM. Weather data is prone to errors, outages, and other defects. Three tornadoes were confirmed in Arizona on Nov. 29, 2019. PHOENIX — Is it just us, or does this winter feel abnormally cold for Phoenix? A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The National Weather Service in Phoenix issued a severe thunderstorm warning for much of the southeast Valley effective until 4:30 p.m. A significant weather advisory was in … Our forecasts are not direct predictions of rain/snow. All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. The chance that a given day will be muggy in Phoenix is essentially constant during December, remaining around 0% throughout. The highest day temperature in December 2019 was 71°F.The lowest night temperature was 39°F.The average values for day and night temperatures during December were 62.1°F и 52.8°F respectivly. The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. TUCSON, AZ — Here's your local weather forecast for the coming weekend, as reported by Darksky. This temperature is 14º above average for this time of year, and just 4º away from the record of 84º set back in 1981. This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. For reference, the year's highest daily chance of a wet day is 19% on August 12, and its lowest chance is 1% on June 13. 09 December 2020 - Posted in Weather Facts - Permalink The high temperature on December 9th hit 80º at Phoenix Sky Harbor. Does it ever rain in Phoenix in December? Chevron right NWS Winter Weather Safety Campaign Begins December 1st; This Day in Weather History; Customize Your Weather.gov. The highest chance of overcast or mostly cloudy conditions is 36% on December 27. Report Station. The average growing degree days accumulated over the course of December, with 25th to 75th and 10th to 90th percentile bands. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . One day later, on December … 12 mph ↑ 14%: 29.93 "Hg: 10 mi: 1:51 am: 63 °F: Passing clouds. 55 F Phoenix Sky Harbor International Airport ... You are about to report this weather station for bad data. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. 97 F Phoenix Sky Harbor International Airport ... You are about to report this weather station for … Be prepared with the most accurate 10-day forecast for Phoenix, AZ with highs, lows, chance of precipitation from The Weather Channel and Weather.com The hourly average wind direction in Phoenix throughout December is predominantly from the east, with a peak proportion of 53% on December 29. Daily high temperatures decrease by 4°F, from 69°F to 66°F, rarely falling below 57°F or exceeding 77°F. MERRA-2 Modern-Era Retrospective Analysis. Be prepared with the most accurate 10-day forecast for Seaside, CA with highs, lows, chance of precipitation from The Weather Channel and Weather.com Over the course of December in Phoenix, the length of the day is essentially constant. For reference, on August 13, the muggiest day of the year, there are muggy conditions 24% of the time, while on November 3, the least muggy day of the year, there are muggy conditions 0% of the time. Daily low temperatures decrease by 3°F, from 48°F to 45°F, rarely falling below 37°F or exceeding 55°F. C° F° Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day. The normal high for that period is 67.5, so it has been a little cooler. Arizona weather in December 2020. 2017 2018 2019 2020. The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The average hourly wind speed in Phoenix is essentially constant during December, remaining within 0.1 miles per hour of 6.8 miles per hour throughout. Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . Questions? The topography within 2 miles of Phoenix is essentially flat, with a maximum elevation change of 56 feet and an average elevation above sea level of 1,082 feet. Lower dew points feel drier and higher dew points feel more humid. ... National Weather Service NWS Phoenix 2727 E Washington St NWS PAB 1TA Phoenix, AZ 85034 (602) 275-0073 Comments? The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on December. From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. WeatherTAB helps you plan activities on days with the least risk of rain. Phoenix, AZ Weather Calendar star_ratehome. ... Tornado warnings are unusual for Arizona, according to Bianca Hernandez, a meteorologist with the National Weather Service in Phoenix. including sunrise/sunset and moon phases.

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