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Temperature Graph. °F. 70° 64° 58° 52° 46° Dec. *1 *2 *3 *4 *5 *6 *7 *8 *9 *10 *11 *12 *13 *14 *15 *16 *17 *18 *19 *20 *21 *22 *23 *24 *25 *26 *27 *28 *29 *30 *31. Avg. Hi. Avg. Lo.
All in one place, every weekday morning. Weather.com brings you the most accurate monthly weather forecast for Phoenix, AZ with average/record and high/low temperatures, precipitation...
Phoenix, Arizona - Winter. December weather forecast. Average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data.
- The coldest month is December , with an average high-temperature of 63°F and an average low-temperature of 47.8°F .
- In December, the average high-temperature and low-temperature in Phoenix are 63°F and 47.8°F respectively.
- December is the most humid month in Phoenix, Arizona, with an average relative humidity of 43% .
- The average relative humidity in December in Phoenix, Arizona, is 43% .
- In Phoenix, Arizona, in December, it is raining for 5 days , with typically 0.59" of accumulated precipitation .
- In Phoenix, Arizona, snow does not fall in January through August , October through December .
- The month with the shortest days is December , with an average of 10h and 0min of daylight .
- In December, the average day length in Phoenix, Arizona, is 9h and 59min .
- In December, on the first day of the month, sunrise is at 7:14 am and sunset at 5:20 pm . On the last day of the month, in Phoenix, Arizona,...
December Weather in Phoenix Arizona, United States. Daily high temperatures decrease by 4°F, from 69°F to 66°F, rarely falling below 57°F or exceeding 77°F. The lowest daily average high temperature is 65°F on December 25. Daily low temperatures decrease by 3°F, from 48°F to 45°F, rarely falling below 37°F or exceeding 55°F.
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- Humidity
- Storms
December is the coldest month overall for Phoenix and the 20th to 27th are its chilliest days. They have daily highs averaging 65 degrees Fahrenheit (18 degrees Celsius) and lows of 44 °F (7 °C). Nearly every December day warms to over 60 °F (16 °C) in Phoenix. Temperatures in December above 80 °F (27 °C) happen once every few years. The thermomete...
Half the time, Phoenix receives 0.2 to 1.0 inches (5 to 25 mm) of rainfall in December. One in four years has drier weather, while another one in four is wetter.
December is the cloudiest month for Phoenix. The sun's rays reach the ground during 77 percent of daylight hours on average, for a total of 238 hours in the month. Typically on 15 days this month the sky is mainly clear, with at most 30 percent cloud cover. Sunlight in December at Phoenix averages 9 hours and 58 minutes a day. The shortest days of ...
The relative humidity in Phoenix during December usually peaks at 67 percent in the morning then drops to 33 percent by late afternoon. December is the most humid month for Phoenix.
December is the month that Phoenix is most likely to receive an inch (25 mm) or more of rain in one day. Most years, though, Phoenix doesn't see rain that heavy in December. Phoenix averages one December thunderstorm every two years.
Feb 9, 2024 · December stands out as Phoenix's coldest month, with an average high-temperature of 63°F (17.2°C) and a low-temperature of 47.8°F (8.8°C). What is the most humid month in Phoenix? The most humid month is December , with an average relative humidity of 43% .
Get the monthly weather forecast for Phoenix, AZ, including daily high/low, historical averages, to help you plan ahead.
