Deer Valley (AZ)
December
Weather in Deer Valley, Arizona for December 2025
Your guide to Deer Valley weather in December - trends and predictions
So far, December 2025 in Deer Valley is slightly warmer than the historical average by 0.6 °F.
Expect cooler weather in the next days in Deer Valley with the forecast suggesting a temperature of 21.3 °F, lower than the historical average.
In general, the average temperature in Deer Valley at the beginning of December is 21.6 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 21.1 °F by the end of December.
With an average of 2 rainy days, Deer Valley experiences minimal rainfall in December.
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Temperatures
Rain 🌧️
More
29
Dry days
2
Rainy days
0
Snow days
20°/9°
Temperatures
9 km/h
Avg max wind
34 %
Avg humidity
Deer Valley Weather December
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Temperatures trend during December in Deer Valley
See the weather trend as well as the moving average line
December weather in Deer Valley day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Moderate or heavy rain shower | 21° /9° | 2.3 mm | 6 | |
| Dec. 2 |  Sunny | 21° /7° | 0 mm | 6 | |
| Dec. 3 | Sunny | 21° /7° | 0 mm | 5 | |
| Dec. 4 | Sunny | 21° /7° | 0 mm | 6 | |
| Dec. 5 |  Partly cloudy | 23° /8° | 0 mm | 6 | |
| Dec. 6 | Sunny | 23° /9° | 0 mm | 6 | |
| Dec. 7 | Sunny | 21° /8° | 0 mm | 6 | |
| Dec. 8 | Sunny | 20° /6° | 0 mm | 6 | |
| Dec. 9 | Sunny | 21° /6° | 0 mm | 6 | |
| Dec. 10 | Sunny | 21° /5° | 0 mm | 5 | |
| Dec. 11 |  Overcast | 20° /8° | 0 mm | 5 | |
| Dec. 12 | Partly cloudy | 21° /10° | 0 mm | 5 | |
| Dec. 13 | Partly cloudy | 20° /9° | 0 mm | 5 | |
| Dec. 14 | Sunny | 21° /8° | 0 mm | 5 | |
| Dec. 15 | Partly cloudy | 22° /8° | 0 mm | 6 | |
| Dec. 16 | Sunny | 21° /8° | 0 mm | 5 | |
| Dec. 17 | Partly cloudy | 22° /8° | 0 mm | 6 | |
| Dec. 18 | Sunny | 23° /10° | 0 mm | 6 | |
| Dec. 19 | Sunny | 23° /10° | 0 mm | 6 | |
| Dec. 20 | Sunny | 22° /10° | 0 mm | 4 | |
| Dec. 21 | Partly cloudy | 22° /9° | 0 mm | 4 | |
| Dec. 22 | Sunny | 30° /10° | 0 mm | 0.6 | |
| Dec. 23 | Partly cloudy | 25° /10° | 0 mm | 0.6 | |
| Dec. 24 |  Heavy rain | 18° /14° | 31.1 mm | 0.3 | |
| Dec. 25 |  Patchy rain possible | 24° /15° | 1.4 mm | 0.6 | |
| Dec. 26 | Patchy rain possible | 21° /16° | 2.2 mm | 0.5 | |
| Dec. 27 | Partly cloudy | 18° /15° | 0 mm | 0 | |
| Dec. 28 | Partly cloudy | 19° /15° | 0 mm | 5 | |
| Dec. 29 | Patchy rain possible | 21° /16° | 0.4 mm | 4 | |
| Dec. 30 | Partly cloudy | 22° /17° | 0.1 mm | 5 | |
| Dec. 31 | Partly cloudy | 23° /18° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Deer Valley 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 Deer Valley forecast closer to your planned date for the most up-to-date weather information.
Change Month
Deer Valley in December - FAQ
What are the expected maximum and minimum temperatures in Deer Valley during December?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Deer Valley during December?
Expect minimal rainfall in Deer Valley during December, with a total of 13.1 mm over approximately 2 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Deer Valley during December?
The average wind speed in Deer Valley during December is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Deer Valley
Explore the daily rainfall trends and prepare for Deer Valleys December weather 💧
Typically, Deer Valley has 2 rainy days in December with a total of 13.1 mm of rainfall.
UV exposure in Deer Valley during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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