Tucson (AZ)
December
Weather in Tucson, Arizona for December 2026
Your guide to Tucson weather in December - trends and predictions
In general, the average temperature in Tucson at the beginning of December is 21 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.7 °C by the end of December.
Precipitation in Tucson during December is a rare event, with an average of fewer than 2 rainy days.
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Temperatures
Rain 🌧️
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30
Dry days
1
Rainy days
0
Snow days
21°/6°
Temperatures
13 km/h
Avg max wind
43 %
Avg humidity
Tucson Weather December
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Temperatures trend during December in Tucson
See the weather trend as well as the moving average line
December weather in Tucson day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 20° /6° | 0 mm | 5 | |
| Dec. 2 |  Sunny | 21° /4° | 0 mm | 6 | |
| Dec. 3 | Sunny | 20° /4° | 0 mm | 6 | |
| Dec. 4 | Sunny | 21° /5° | 0 mm | 6 | |
| Dec. 5 | Sunny | 21° /4° | 0 mm | 6 | |
| Dec. 6 | Sunny | 22° /5° | 0 mm | 6 | |
| Dec. 7 | Sunny | 22° /5° | 0 mm | 6 | |
| Dec. 8 |  Partly cloudy | 22° /3° | 0 mm | 6 | |
| Dec. 9 | Sunny | 21° /2° | 0 mm | 6 | |
| Dec. 10 | Sunny | 21° /1° | 0 mm | 6 | |
| Dec. 11 | Overcast | 22° /5° | 0 mm | 5 | |
| Dec. 12 | Overcast | 23° /8° | 0 mm | 5 | |
| Dec. 13 | Sunny | 20° /6° | 0 mm | 5 | |
| Dec. 14 | Sunny | 21° /5° | 0 mm | 6 | |
| Dec. 15 | Overcast | 22° /7° | 0 mm | 5 | |
| Dec. 16 | Sunny | 24° /5° | 0 mm | 6 | |
| Dec. 17 | Sunny | 24° /6° | 0 mm | 6 | |
| Dec. 18 | Sunny | 23° /8° | 0 mm | 6 | |
| Dec. 19 | Sunny | 25° /7° | 0 mm | 6 | |
| Dec. 20 | Sunny | 24° /8° | 0 mm | 6 | |
| Dec. 21 | Sunny | 24° /7° | 0 mm | 5 | |
| Dec. 22 | Sunny | 22° /4° | 13.1 mm | 4 | |
| Dec. 23 |  Cloudy | 20° /6° | 0.8 mm | 3 | |
| Dec. 24 | Sunny | 20° /6° | 0 mm | 4 | |
| Dec. 25 | Sunny | 18° /6° | 0 mm | 4 | |
| Dec. 26 | Sunny | 19° /4° | 0 mm | 4 | |
| Dec. 27 | Overcast | 18° /6° | 0 mm | 4 | |
| Dec. 28 | Sunny | 16° /5° | 0.7 mm | 4 | |
| Dec. 29 | Cloudy | 18° /5° | 0.1 mm | 4 | |
| Dec. 30 |  Patchy rain possible | 18° /7° | 0.3 mm | 4 | |
| Dec. 31 | Overcast | 17° /5° | 0 mm | 3 | |
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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.
Change Month
Tucson in December - FAQ
What are the expected maximum and minimum temperatures in Tucson during December?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 6°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Tucson during December?
Expect minimal rainfall in Tucson during December, with a total of 15.1 mm over approximately 1 days. This minimal precipitation is unlikely to significantly impact plans.
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 💧
Typically, Tucson has 1 rainy days in December with a total of 15.1 mm of rainfall.
UV exposure in Tucson during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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