Superior, WY
Climate overview — based on NOAA 1991-2020 normals from ROCK SPRINGS AP, WY US.
Year-round temperatures (°F)
Climate summary
Superior has an annual average temperature of 43.7°F with about 7.6 inches of precipitation per year and 54 inches of snow. The warmest month is July (average high 84.1°F), and the coldest is December (average low 13.4°F). May is typically the wettest month (1.27 in) and December the driest (0.31 in). Snow typically falls from January through December.
Best time to visit Superior
Full guide →Climate change signal
All-time records →98 of 366 (26.8%) 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.
| 1940s | 5 | |
| 1950s | 22 | |
| 1960s | 25 | |
| 1970s | 46 | |
| 1980s | 49 | |
| 1990s | 26 | |
| 2000s | 64 | |
| 2010s | 53 | |
| 2020s | 76 |
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 | 29.5°F | 13.6°F | 21.5°F | 0.38 in | 8.2 in | 5 |
| February | 32.9°F | 15.7°F | 24.3°F | 0.37 in | 7.9 in | 5 |
| March | 43.9°F | 24.1°F | 34.0°F | 0.58 in | 6.4 in | 7 |
| April | 52.8°F | 29.7°F | 41.2°F | 0.91 in | 8.8 in | 8 |
| May | 63.2°F | 38.4°F | 50.8°F | 1.27 in | 2.7 in | 9 |
| June | 75.0°F | 47.0°F | 61.0°F | 0.70 in | 0.4 in | 6 |
| July | 84.1°F | 54.8°F | 69.4°F | 0.47 in | — | 5 |
| August | 81.5°F | 53.1°F | 67.3°F | 0.56 in | — | 6 |
| September | 70.7°F | 43.9°F | 57.3°F | 0.79 in | 1.2 in | 6 |
| October | 56.0°F | 32.9°F | 44.5°F | 0.81 in | 6.6 in | 6 |
| November | 40.5°F | 21.8°F | 31.2°F | 0.40 in | 6.0 in | 5 |
| December | 29.5°F | 13.4°F | 21.4°F | 0.31 in | 5.8 in | 5 |
Climate twins of Superior
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).