Superior, AZ
Climate overview — based on NOAA 1991-2020 normals from SUPERIOR, AZ US.
Year-round temperatures (°F)
Climate summary
Superior has an annual average temperature of 70.2°F with about 17.8 inches of precipitation per year and 0.3 inches of snow. The warmest month is July (average high 98.8°F), and the coldest is December (average low 44.1°F). August is typically the wettest month (2.56 in) and June the driest (0.29 in). Snow typically falls from February through February.
Best time to visit Superior
Full guide →Climate change signal
All-time records →0 of 366 (0%) of Superior'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.
| 1920s | 0 | |
| 1930s | 0 | |
| 1940s | 0 | |
| 1950s | 31 | |
| 1960s | 51 | |
| 1970s | 95 | |
| 1980s | 74 | |
| 1990s | 46 | |
| 2000s | 69 |
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 | 62.1°F | 44.2°F | 53.1°F | 2.23 in | — | 5 |
| February | 64.8°F | 46.3°F | 55.5°F | 2.21 in | 0.3 in | 6 |
| March | 71.5°F | 49.3°F | 60.4°F | 1.87 in | — | 6 |
| April | 78.3°F | 54.8°F | 66.6°F | 0.49 in | — | 2 |
| May | 86.8°F | 63.9°F | 75.4°F | 0.49 in | — | 2 |
| June | 97.2°F | 73.0°F | 85.1°F | 0.29 in | — | 1 |
| July | 98.8°F | 77.3°F | 88.0°F | 2.03 in | — | 5 |
| August | 97.1°F | 76.5°F | 86.8°F | 2.56 in | — | 8 |
| September | 93.3°F | 72.2°F | 82.7°F | 1.25 in | — | 3 |
| October | 83.9°F | 63.2°F | 73.5°F | 1.14 in | — | 3 |
| November | 72.5°F | 52.0°F | 62.3°F | 1.12 in | — | 3 |
| December | 61.9°F | 44.1°F | 53.0°F | 2.12 in | — | 4 |
Climate twins of Superior
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).