United StatesAverage weather for Phoenix in December
It's pleasantly warm in December in Phoenix with an average temperature of 20°C. Temperatures this month range from a low of 16°C to a high of 23°C. At night, you can expect temperatures between 7°C and 11°C.
Start of December
The month of December starts in Phoenix with warm temps, averaging around 22°C during the day and nights around 11°C. There’s little chance of precipitation. The weather’s mostly sunny and dry.
Mid December
By mid-December, daytime temps drop to around 20°C, with nights around 9°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of December
By the end of December, the average daytime temperature in Phoenix is around 18°C, while nighttime temps are about 8°C. A shower might pop up, but overall, the weather will be dry and sunny.
In December, there is an average of 22 mm of precipitation, spread over 4 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Phoenix in December |
New York | ||
|---|---|---|---|
 Average temperature |
20°C | 9°C | |
 Max. temperature |
23°C | 12°C | |
| Min. temperature |
16°C | -5°C | |
 Total precipitation |
22 mm | 133 mm | |
| Rainy days |
4 days | 17 days | |
November
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is December a good time to visit Phoenix?
Looking for great weather? December is a good time to be in Phoenix. The temperatures are nice, and there’s not too much rain.
Temperature records
With 29°C in 2021, Phoenix reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 9°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 1°C to a highest value of 17°C.
Check out the climate of Phoenix for all months and discover the best travel time
Daily Temperature in December in Phoenix
This chart shows the average daily high and low temperatures in December for Phoenix, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in December in Phoenix
The chart below shows the average daily precipitation in December for Phoenix, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for December, you can expect about 4 days of precipitation in Phoenix.
Daily UV index in December in Phoenix
This chart shows the average daily UV index in December in Phoenix, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in Phoenix over the years
This chart shows the average temperature in December in Phoenix, measured in degrees Celsius, over the past few years.
Total precipitation in December in Phoenix over the years
This chart shows the average precipitation in December in Phoenix, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in December for Phoenix
Click on any day in December to get detailed info about the usual weather on that day in Phoenix. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Phoenix
Have you been to Phoenix in December?
Share your weather experience in December in Phoenix.
Average weather in Phoenix by month
Click on a month below to see detailed weather info for Phoenix. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
