Tucson Weather in December
December in Tucson brings pleasant temperatures, with highs of 18°C (64°F) and nights dropping to 4°C (39°F). Expect some rainfall, with around 31 mm (1.2 in) typical for the month.
Rainfall in Tucson in December
Expect around 5 days of rain based on historical data, with 31 mm (1.2 in) average. Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.
Temperature in Tucson in December
December in Tucson brings pleasant temperatures, with highs of 18°C (64°F) and nights around 4°C (39°F). Experience the winter season in December. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 4°C (39°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep. Enjoy a month of mild temperatures, still offering warmth and comfort throughout.
Sunshine in Tucson in December
The month enjoys around 246 hours of sunshine, creating mostly sunny days with good weather conditions.
Wind Speed in Tucson in December
December has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April and November typically offer the best weather for Tucson.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Tucson's climate page.
Tucson Temperature in December
Min Temperature
4°C (39°F)
Max Temperature
18°C (64°F)
Chance of Rain
17%
Precipitation
31 mm (1.2 in)
Rainy days
5 days
Humidity
50%
Windspeed
3 m/s (6 knots)
Sunshine
246 hours
Percentage Sunshine
79%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Tucson typically stay consistent throughout December, with daily highs averaging around 18°C (64°F). Nights are cold, with lows typically ranging from 4°C (39°F) to 6°C (43°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Tucson in December
Browse day-by-day weather records for Tucson spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Tucson historical weather extremes in December
Based on weather observations in Tucson between 1976 and 2025, these are the recorded extremes during December.
- The hottest December day on record in Tucson reached 29°C (84°F) (December 22, 2025).
- On December 8, 1978, Tucson saw its coldest December day with temperatures maxing out at 3°C (37°F).
- The coldest night in December in Tucson was on December 29, 2003, with a minimum of -7°C (19°F).
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
perfect weather
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tolerable
unpleasant
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What to Wear in Tucson in December
For Tucson in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Some rain is possible, so pack something to handle light showers. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Tucson in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Tucson's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Tucson climate overview or explore weather in the United States of America.
