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Get the monthly weather forecast for Phoenix, AZ, including daily high/low, historical averages, to help you plan ahead.
Weather.com brings you the most accurate monthly weather forecast for Phoenix, AZ with average/record and high/low temperatures, precipitation and more.
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.
The weather in Phoenix in December is ideal for snowbirds to escape the cold elsewhere and enjoy mild temperatures of up to 68°F (20°C). The sun is out for an average of 8 hours each day and precipitation is low with only 2 rainy days on average to be expected for the whole month.
Check accurate weather in December in Phoenix (AZ). Expect Phoenix December temperature around 19°C (65°F). Read clothing tips & recommended activities.
The average temperature of the coldest month (December) is of 13.2 °C (55.8 °F), that of the warmest month (July) is of 35.3 °C (95.5 °F). Here are the average temperatures. In the United States, Phoenix is renowned for being a very hot city: in fact, it is the hottest of the big American cities.
Feb 9, 2024 · December in Phoenix rounds off the year under the gentle glow of winter sun. As the city greets the last month of the year, a soothing chill fills the air. Average high temperatures drop even further to a bearable 63°F (17.2°C), confirming the onset of winter.
