Tucson, AZ
Climate overview — based on NOAA 1991-2020 normals from TUCSON INTL AP, AZ US.
Year-round temperatures (°F)
Climate summary
Tucson has an annual average temperature of 70.6°F with about 10.6 inches of precipitation per year. The warmest month is June (average high 101.2°F), and the coldest is December (average low 40.5°F). July is typically the wettest month (2.21 in) and May the driest (0.20 in).
Best time to visit Tucson
Full guide →Climate change signal
All-time records →147 of 366 (40.2%) of Tucson's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1940s | 8 | |
| 1950s | 27 | |
| 1960s | 8 | |
| 1970s | 4 | |
| 1980s | 57 | |
| 1990s | 47 | |
| 2000s | 46 | |
| 2010s | 60 | |
| 2020s | 109 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 66.5°F | 40.8°F | 53.6°F | 0.84 in | — | 4 |
| February | 69.2°F | 43.2°F | 56.2°F | 0.84 in | 0.1 in | 4 |
| March | 75.8°F | 48.0°F | 61.9°F | 0.56 in | — | 3 |
| April | 82.9°F | 53.3°F | 68.1°F | 0.24 in | — | 2 |
| May | 91.8°F | 61.8°F | 76.8°F | 0.20 in | — | 1 |
| June | 101.2°F | 71.1°F | 86.1°F | 0.23 in | — | 2 |
| July | 100.2°F | 76.3°F | 88.2°F | 2.21 in | — | 9 |
| August | 98.6°F | 75.2°F | 86.9°F | 1.98 in | — | 9 |
| September | 95.1°F | 70.4°F | 82.8°F | 1.32 in | — | 4 |
| October | 86.3°F | 59.0°F | 72.6°F | 0.67 in | — | 3 |
| November | 75.1°F | 47.9°F | 61.5°F | 0.56 in | — | 3 |
| December | 65.5°F | 40.5°F | 53.0°F | 0.96 in | — | 4 |
Climate twins of Tucson
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).