Tucson
December
Weather in Tucson for December 2025
Your guide to Tucson weather in December - trends and predictions
In general, the average temperature in Tucson at the beginning of December is 22.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.9 °F by the end of December.
With an average of 3 rainy days, Tucson experiences minimal rainfall in December.
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Temperatures
Rain 🌧️
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28
Dry days
3
Rainy days
0
Snow days
19°/7°
Temperatures
13 km/h
Avg max wind
40 %
Avg humidity
Tucson in December average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  21° | 2 21° | 3  22° | 4 23° | 5 23° | 6  24° | |
| 7 23° | 8 21° | 9 19° | 10 18° | 11 20° | 12 23° | 13 17° |
| 14 19° | 15 20° | 16 23° | 17 23° | 18 23° | 19 23° | 20 23° |
| 21 23° | 22 20° | 23  18° | 24 20° | 25 17° | 26 18° | 27 19° |
| 28 16° | 29  19° | 30 19° | 31 17° |
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Temperatures trend during December in Tucson
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 | Overcast | 21° /6° | 0 mm | 5 | |
| Dec. 2 | Overcast | 21° /5° | 0 mm | 6 | |
| Dec. 3 | Sunny | 22° /4° | 0 mm | 6 | |
| Dec. 4 | Sunny | 23° /4° | 0 mm | 6 | |
| Dec. 5 | Sunny | 23° /6° | 0 mm | 7 | |
| Dec. 6 | Partly cloudy | 24° /7° | 0 mm | 7 | |
| Dec. 7 | Sunny | 23° /5° | 0 mm | 6 | |
| Dec. 8 | Partly cloudy | 21° /3° | 0 mm | 6 | |
| Dec. 9 | Sunny | 19° /2° | 0 mm | 6 | |
| Dec. 10 | Sunny | 18° /0° | 0 mm | 5 | |
| Dec. 11 | Overcast | 20° /5° | 0 mm | 5 | |
| Dec. 12 | Overcast | 23° /8° | 0 mm | 5 | |
| Dec. 13 | Sunny | 17° /6° | 0 mm | 5 | |
| Dec. 14 | Sunny | 19° /3° | 0 mm | 6 | |
| Dec. 15 | Sunny | 20° /6° | 0 mm | 5 | |
| Dec. 16 | Sunny | 23° /5° | 0 mm | 6 | |
| Dec. 17 | Sunny | 23° /7° | 0 mm | 6 | |
| Dec. 18 | Overcast | 23° /8° | 0 mm | 6 | |
| Dec. 19 | Overcast | 23° /8° | 0 mm | 6 | |
| Dec. 20 | Overcast | 23° /9° | 0 mm | 6 | |
| Dec. 21 | Sunny | 23° /7° | 0 mm | 7 | |
| Dec. 22 | Sunny | 20° /4° | 17.5 mm | 5 | |
| Dec. 23 | Cloudy | 18° /5° | 1.1 mm | 4 | |
| Dec. 24 | Sunny | 20° /4° | 0 mm | 5 | |
| Dec. 25 | Sunny | 17° /4° | 0 mm | 5 | |
| Dec. 26 | Sunny | 18° /2° | 0 mm | 5 | |
| Dec. 27 | Overcast | 19° /4° | 0 mm | 4 | |
| Dec. 28 | Sunny | 16° /6° | 1 mm | 4 | |
| Dec. 29 | Patchy rain possible | 19° /5° | 0.1 mm | 5 | |
| Dec. 30 | Patchy rain possible | 19° /7° | 0.4 mm | 5 | |
| Dec. 31 | Overcast | 17° /4° | 0 mm | 4 | |
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Important Notice
Our weather forecast for Tucson 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 Tucson forecast closer to your planned date for the most up-to-date weather information.
Tucson in December - FAQ
What are the expected maximum and minimum temperatures in Tucson during December?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Tucson during December?
In December, Tucson can expect light to moderate rainfall, totaling 30.2 mm across approximately 3 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Tucson during December?
The average wind speed in Tucson during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Tucson
Explore the daily rainfall trends and prepare for Tucsons December weather 💧
UV exposure in Tucson during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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