Superior, MT
Climate overview — based on NOAA 1991-2020 normals from SUPERIOR, MT US.
Year-round temperatures (°F)
Climate summary
Superior has an annual average temperature of 47.7°F with about 16.4 inches of precipitation per year. The warmest month is July (average high 88.5°F), and the coldest is January (average low 21.5°F). June is typically the wettest month (2.03 in) and July the driest (0.93 in).
Best time to visit Superior
Full guide →Climate change signal
All-time records →12 of 366 (3.3%) 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.
| 1910s | 18 | |
| 1920s | 22 | |
| 1930s | 91 | |
| 1940s | 33 | |
| 1950s | 24 | |
| 1960s | 43 | |
| 1970s | 26 | |
| 1980s | 27 | |
| 1990s | 30 | |
| 2000s | 31 | |
| 2010s | 21 |
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 | 35.8°F | 21.5°F | 28.6°F | 1.19 in | — | 10 |
| February | 42.0°F | 22.3°F | 32.1°F | 1.29 in | — | 9 |
| March | 52.6°F | 27.4°F | 40.0°F | 1.11 in | — | 10 |
| April | 60.7°F | 32.2°F | 46.5°F | 1.36 in | — | 11 |
| May | 70.8°F | 39.8°F | 55.3°F | 1.80 in | — | 10 |
| June | 77.5°F | 45.7°F | 61.6°F | 2.03 in | — | 10 |
| July | 88.5°F | 50.6°F | 69.6°F | 0.93 in | — | 6 |
| August | 88.2°F | 49.4°F | 68.8°F | 1.05 in | — | 5 |
| September | 77.2°F | 41.9°F | 59.5°F | 0.99 in | — | 7 |
| October | 60.5°F | 33.9°F | 47.2°F | 1.34 in | — | 9 |
| November | 42.9°F | 26.9°F | 34.9°F | 1.95 in | — | 12 |
| December | 34.0°F | 21.6°F | 27.8°F | 1.38 in | — | 11 |
Climate twins of Superior
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).