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Get the Tucson AZ weather forecast without ads, cookies, or tracking. Open-Meteo data, 10-day forecast, hourly conditions, and radar — all free. click here to hide this
June is the hottest month in Tucson AZ, with an average high of 102°F / 39°C; December is the coldest (66°F / 19°C). July is the wettest month, averaging 2.2 in / 56 mm of precipitation.
| Month | High °F / °C | Low °F / °C | Precip in / mm | Wet days |
|---|---|---|---|---|
| Jan | 67 / 19 | 40 / 5 | 0.8 / 21 | 3 |
| Feb | 70 / 21 | 43 / 6 | 0.8 / 21 | 3 |
| Mar | 76 / 25 | 47 / 9 | 0.6 / 14 | 2 |
| Apr | 83 / 29 | 53 / 12 | 0.2 / 6 | 1 |
| May | 92 / 33 | 61 / 16 | 0.2 / 5 | 1 |
| Jun | 102 / 39 | 71 / 21 | 0.2 / 6 | 1 |
| Jul | 101 / 38 | 76 / 24 | 2.2 / 56 | 6 |
| Aug | 99 / 37 | 74 / 24 | 2.0 / 50 | 6 |
| Sep | 96 / 35 | 70 / 21 | 1.3 / 33 | 3 |
| Oct | 87 / 30 | 58 / 15 | 0.7 / 17 | 2 |
| Nov | 75 / 24 | 47 / 9 | 0.6 / 14 | 2 |
| Dec | 66 / 19 | 40 / 4 | 0.9 / 24 | 4 |
Extremes since 1946: highest 117°F / 47°C (June 26, 1990), lowest 16°F / -9°C (January 4, 1949).
Daylight lasts about 14.1 hours in June and 9.9 hours in December.
Data: Meteostat — Tucson International Airport, 1991–2020 averages.
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