Hermantown, MN
Climate overview — based on NOAA 1991-2020 normals from DULUTH NWS, MN US.
Year-round temperatures (°F)
Climate summary
Hermantown has an annual average temperature of 39.7°F with about 30.9 inches of precipitation per year. The warmest month is July (average high 76.4°F), and the coldest is January (average low 0.7°F). June is typically the wettest month (4.49 in) and January the driest (0.92 in).
Best time to visit Hermantown
Full guide →Climate change signal
All-time records →285 of 366 (77.9%) of Hermantown'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.
| 2010s | 184 | |
| 2020s | 182 |
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 | 18.1°F | 0.7°F | 9.4°F | 0.92 in | — | — |
| February | 23.8°F | 4.3°F | 14.1°F | 0.95 in | — | — |
| March | 35.8°F | 17.1°F | 26.5°F | 1.35 in | — | — |
| April | 48.6°F | 28.7°F | 38.7°F | 2.50 in | — | — |
| May | 63.0°F | 40.2°F | 51.6°F | 3.20 in | — | — |
| June | 71.2°F | 49.7°F | 60.5°F | 4.49 in | — | — |
| July | 76.4°F | 55.9°F | 66.2°F | 4.13 in | — | — |
| August | 74.8°F | 55.2°F | 65.0°F | 3.55 in | — | — |
| September | 66.1°F | 47.3°F | 56.7°F | 3.50 in | — | — |
| October | 52.0°F | 35.7°F | 43.9°F | 3.02 in | — | — |
| November | 35.0°F | 21.8°F | 28.4°F | 1.98 in | — | — |
| December | 22.6°F | 8.3°F | 15.5°F | 1.34 in | — | — |
Climate twins of Hermantown
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).