South Tucson, AZ
Climate overview — based on NOAA 1991-2020 normals from TUCSON WFO, AZ US.
Year-round temperatures (°F)
Climate summary
South Tucson has an annual average temperature of 71.2°F with about 11.6 inches of precipitation per year. The warmest month is June (average high 100.5°F), and the coldest is December (average low 41.5°F). August is typically the wettest month (2.63 in) and May the driest (0.17 in).
Best time to visit South Tucson
Full guide →Climate change signal
All-time records →0 of 366 (0%) of South 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.
| 1890s | 16 | |
| 1900s | 17 | |
| 1910s | 28 | |
| 1920s | 23 | |
| 1930s | 19 | |
| 1940s | 31 | |
| 1950s | 71 | |
| 1960s | 49 | |
| 1970s | 33 | |
| 1980s | 34 | |
| 1990s | 37 | |
| 2000s | 8 |
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 | 65.9°F | 42.3°F | 54.1°F | 0.88 in | — | 4 |
| February | 68.9°F | 44.9°F | 56.9°F | 0.84 in | — | 5 |
| March | 75.7°F | 50.0°F | 62.9°F | 0.56 in | — | 4 |
| April | 82.6°F | 55.9°F | 69.2°F | 0.33 in | — | 2 |
| May | 91.0°F | 64.2°F | 77.6°F | 0.17 in | — | 1 |
| June | 100.5°F | 73.1°F | 86.8°F | 0.29 in | — | 2 |
| July | 99.7°F | 76.9°F | 88.3°F | 2.05 in | — | 9 |
| August | 98.0°F | 76.2°F | 87.1°F | 2.63 in | — | 10 |
| September | 94.8°F | 71.7°F | 83.3°F | 1.70 in | — | 3 |
| October | 85.7°F | 60.3°F | 73.0°F | 0.58 in | — | 3 |
| November | 74.6°F | 49.5°F | 62.0°F | 0.62 in | — | 2 |
| December | 64.9°F | 41.5°F | 53.2°F | 0.92 in | — | 4 |
Climate twins of South Tucson
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).