Pima County (Tucson)
December
Weather in Pima County, Arizona for December 2026
Your guide to Pima County weather in December - trends and predictions
In general, the average temperature in Pima County at the beginning of December is 20.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.4 °C by the end of December.
Precipitation in Pima County during December is a rare event, with an average of fewer than 2 rainy days.
Is December a good time to visit Pima County? check out the best time to travel to Pima County page.
✨ Is December a good time to visit Pima County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
30
Dry days
1
Rainy days
0
Snow days
21°/6°
Temperatures
13 km/h
Avg max wind
43 %
Avg humidity
Pima County Weather December
Move between months or click on a day
Temperatures trend during December in Pima County
See the weather trend as well as the moving average line
December weather in Pima County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 19° /6° | 0 mm | 3.4 | |
| Dec. 2 |  Sunny | 21° /5° | 0 mm | 3.4 | |
| Dec. 3 | Sunny | 20° /4° | 0 mm | 3.3 | |
| Dec. 4 | Sunny | 21° /5° | 0 mm | 3.3 | |
| Dec. 5 | Sunny | 20° /5° | 0 mm | 3.3 | |
| Dec. 6 | Sunny | 22° /5° | 0 mm | 3.3 | |
| Dec. 7 | Sunny | 21° /5° | 0 mm | 3.3 | |
| Dec. 8 |  Partly cloudy | 21° /3° | 0 mm | 3.2 | |
| Dec. 9 | Sunny | 21° /3° | 0 mm | 3.2 | |
| Dec. 10 | Sunny | 20° /2° | 0 mm | 3.2 | |
| Dec. 11 | Overcast | 22° /5° | 0 mm | 3.2 | |
| Dec. 12 | Overcast | 23° /8° | 0 mm | 3.2 | |
| Dec. 13 | Sunny | 20° /6° | 0 mm | 3.2 | |
| Dec. 14 | Sunny | 21° /5° | 0 mm | 3.2 | |
| Dec. 15 | Overcast | 22° /7° | 0 mm | 3.1 | |
| Dec. 16 | Sunny | 23° /5° | 0 mm | 3.1 | |
| Dec. 17 | Sunny | 23° /7° | 0 mm | 3.1 | |
| Dec. 18 | Sunny | 23° /8° | 0 mm | 3.1 | |
| Dec. 19 | Sunny | 24° /8° | 0 mm | 3.1 | |
| Dec. 20 | Sunny | 23° /9° | 0 mm | 3.1 | |
| Dec. 21 | Sunny | 24° /7° | 0 mm | 3.1 | |
| Dec. 22 |  Moderate rain | 22° /5° | 13.1 mm | 3.1 | |
| Dec. 23 |  Cloudy | 20° /6° | 0.8 mm | 3 | |
| Dec. 24 | Sunny | 20° /6° | 0 mm | 3.1 | |
| Dec. 25 | Sunny | 18° /6° | 0 mm | 3.1 | |
| Dec. 26 | Sunny | 19° /4° | 0 mm | 3.1 | |
| Dec. 27 | Overcast | 18° /6° | 0 mm | 3.2 | |
| Dec. 28 | Sunny | 16° /6° | 0.7 mm | 3.2 | |
| Dec. 29 | Cloudy | 18° /6° | 0.1 mm | 3.2 | |
| Dec. 30 |  Patchy rain possible | 18° /7° | 0.3 mm | 3.2 | |
| Dec. 31 | Overcast | 16° /5° | 0 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Pima County 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 Pima County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Pima County in December - FAQ
What are the expected maximum and minimum temperatures in Pima County 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 Pima County during December?
Expect minimal rainfall in Pima County 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 Pima County during December?
The average wind speed in Pima County during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Pima County
Explore the daily rainfall trends and prepare for Pima Countys December weather 💧
Typically, Pima County has 1 rainy days in December with a total of 15.1 mm of rainfall.
UV exposure in Pima County during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
Top locations in Pima County
Select a location for an accurate weather forecast
More Locations Quick links
More Pima County weather pages
You are here
Found a mistake?
We appreciate your attention to details. Tell us here.