Phoenix
December
Weather in Phoenix for December 2025
Your guide to Phoenix weather in December - trends and predictions
In general, the average temperature in Phoenix at the beginning of December is 23 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.4 °F by the end of December.
Phoenix experiences moderate rainfall in December, with an average of 10 rainy days and a total precipitation of 27.9 mm.
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Temperatures
Rain 🌧️
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21
Dry days
10
Rainy days
0
Snow days
19°/9°
Temperatures
10 km/h
Avg max wind
38 %
Avg humidity
Phoenix in December average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  24° | 2 23° | 3 22° | 4 23° | 5 24° | 6 23° | |
| 7 22° | 8 21° | 9 20° | 10 18° | 11  19° | 12 20° | 13 18° |
| 14 18° | 15 18° | 16 18° | 17 19° | 18 20° | 19 21° | 20 21° |
| 21 21° | 22 20° | 23 20° | 24 19° | 25 19° | 26  18° | 27 18° |
| 28 16° | 29 17° | 30 18° | 31 16° |
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Temperatures trend during December in Phoenix
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 | Sunny | 24° /10° | 1.3 mm | 6 | |
| Dec. 2 | Sunny | 23° /9° | 0 mm | 6 | |
| Dec. 3 | Sunny | 22° /10° | 5.8 mm | 6 | |
| Dec. 4 | Sunny | 23° /11° | 1.5 mm | 6 | |
| Dec. 5 | Sunny | 24° /11° | 0 mm | 6 | |
| Dec. 6 | Sunny | 23° /11° | 0.1 mm | 6 | |
| Dec. 7 | Sunny | 22° /10° | 0 mm | 6 | |
| Dec. 8 | Sunny | 21° /8° | 0 mm | 5 | |
| Dec. 9 | Sunny | 20° /7° | 1 mm | 5 | |
| Dec. 10 | Sunny | 18° /6° | 1 mm | 5 | |
| Dec. 11 | Overcast | 19° /7° | 0 mm | 5 | |
| Dec. 12 | Sunny | 20° /9° | 1.6 mm | 5 | |
| Dec. 13 | Overcast | 18° /8° | 0.1 mm | 4 | |
| Dec. 14 | Overcast | 18° /7° | 0 mm | 4 | |
| Dec. 15 | Sunny | 18° /6° | 0.5 mm | 5 | |
| Dec. 16 | Sunny | 18° /6° | 0 mm | 5 | |
| Dec. 17 | Overcast | 19° /6° | 0 mm | 5 | |
| Dec. 18 | Sunny | 20° /8° | 0 mm | 5 | |
| Dec. 19 | Sunny | 21° /7° | 0 mm | 6 | |
| Dec. 20 | Sunny | 21° /7° | 0 mm | 5 | |
| Dec. 21 | Sunny | 21° /8° | 0 mm | 6 | |
| Dec. 22 | Sunny | 20° /8° | 3.1 mm | 5 | |
| Dec. 23 | Sunny | 20° /9° | 0.4 mm | 5 | |
| Dec. 24 | Sunny | 19° /8° | 2.9 mm | 5 | |
| Dec. 25 | Sunny | 19° /8° | 0.1 mm | 5 | |
| Dec. 26 | Partly cloudy | 18° /8° | 0 mm | 5 | |
| Dec. 27 | Overcast | 18° /8° | 0 mm | 4 | |
| Dec. 28 | Partly cloudy | 16° /9° | 3 mm | 4 | |
| Dec. 29 | Overcast | 17° /8° | 0.3 mm | 4 | |
| Dec. 30 | Sunny | 18° /8° | 0.2 mm | 5 | |
| Dec. 31 | Overcast | 16° /8° | 1.8 mm | 4 | |
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Important Notice
Our weather forecast for Phoenix in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Phoenix forecast closer to your planned date for the most up-to-date weather information.
Phoenix in December - FAQ
What are the expected maximum and minimum temperatures in Phoenix during December?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Phoenix during December?
In December, Phoenix can expect light to moderate rainfall, totaling 27.9 mm across approximately 10 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Phoenix during December?
The average wind speed in Phoenix during December is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Phoenix
Explore the daily rainfall trends and prepare for Phoenixs December weather 💧
UV exposure in Phoenix during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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