Weather in Tucson
What's the weather like in Tucson?
Tucson has a wide swing between hot summers and cold winters and low overall rainfall. Average daytime highs range from 19°C (65°F) in January to 37°C (99°F) in July, with overnight lows around 5°C (41°F) and 26°C (78°F) respectively.
For comfortable sightseeing temperatures (18–26°C daytime highs), the best months to visit Tucson are January through March, and November through December.
Quick facts
- Country
- 🇺🇸 United States
- Region
- North America
- Time zone
- America/Phoenix
- Coordinates
- 32.223, -110.975
Monthly climate
Long-run averages for each month of the year.
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 19°C / 65°F | 5°C / 41°F | 34 mm | 4 | — |
| February | 21°C / 70°F | 6°C / 43°F | 24 mm | 4 | — |
| March | 25°C / 77°F | 9°C / 49°F | 16 mm | 3 | — |
| April | 29°C / 85°F | 13°C / 56°F | 3 mm | 1 | — |
| May | 33°C / 91°F | 17°C / 63°F | 3 mm | 1 | — |
| June | 38°C / 101°F | 23°C / 74°F | 8 mm | 1 | — |
| July | 37°C / 99°F | 26°C / 78°F | 57 mm | 8 | — |
| August | 36°C / 98°F | 24°C / 76°F | 48 mm | 8 | — |
| September | 34°C / 94°F | 22°C / 71°F | 58 mm | 6 | — |
| October | 30°C / 86°F | 16°C / 61°F | 21 mm | 3 | — |
| November | 24°C / 76°F | 10°C / 50°F | 17 mm | 2 | — |
| December | 19°C / 65°F | 6°C / 42°F | 39 mm | 4 | — |
Tucson by month
Detailed weather for any specific month:
Seasonal patterns to know
Atlantic hurricane season runs June–November (peak August–October). Tropical storms and hurricanes are possible — peak risk is August–October.
Cities with a similar climate to Tucson
Frequently asked questions
When is the best time to visit Tucson?
The most comfortable months in Tucson are usually February, March, November, when average highs sit near 18–26°C (64–79°F) with relatively little rain. See the full month-by-month breakdown for the exact figures.
What is the hottest month in Tucson?
June is typically the hottest month in Tucson, averaging a high of 38°C (101°F).
What is the coldest month in Tucson?
January is usually the coldest, with average lows around 5°C (41°F).
Does it snow in Tucson?
Snow is rare in Tucson; the climate data shows essentially no snowfall across the year.
Live forecast, sunrise/sunset, and more.