Cass Lake, MN
Climate overview — based on NOAA 1991-2020 normals from CASS LAKE, MN US.
Year-round temperatures (°F)
Climate summary
Cass Lake has an annual average temperature of 39.9°F with about 26.5 inches of precipitation per year and 48.9 inches of snow. The warmest month is July (average high 79.1°F), and the coldest is January (average low -3.6°F). June is typically the wettest month (4.07 in) and February the driest (0.74 in). Snow typically falls from October through April.
Best time to visit Cass Lake
Full guide →Climate change signal
All-time records →71 of 366 (19.4%) of Cass Lake'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.
| 1900s | 0 | |
| 1910s | 0 | |
| 1940s | 2 | |
| 1950s | 37 | |
| 1960s | 51 | |
| 1970s | 42 | |
| 1980s | 67 | |
| 1990s | 40 | |
| 2000s | 34 | |
| 2010s | 48 | |
| 2020s | 45 |
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 | 17.8°F | -3.6°F | 7.1°F | 0.76 in | 9.1 in | 8 |
| February | 23.6°F | -0.4°F | 11.6°F | 0.74 in | 9.3 in | 7 |
| March | 37.0°F | 14.5°F | 25.8°F | 1.24 in | 6.2 in | 7 |
| April | 51.0°F | 28.9°F | 40.0°F | 1.98 in | 5.6 in | 9 |
| May | 65.0°F | 42.3°F | 53.6°F | 2.93 in | — | 12 |
| June | 74.5°F | 53.4°F | 63.9°F | 4.07 in | — | 13 |
| July | 79.1°F | 58.0°F | 68.5°F | 3.74 in | — | 11 |
| August | 77.3°F | 55.9°F | 66.6°F | 3.06 in | — | 9 |
| September | 68.0°F | 46.9°F | 57.4°F | 2.91 in | — | 10 |
| October | 52.3°F | 33.7°F | 43.0°F | 2.76 in | 1.4 in | 10 |
| November | 35.9°F | 19.6°F | 27.7°F | 1.29 in | 5.8 in | 7 |
| December | 22.9°F | 5.6°F | 14.2°F | 1.01 in | 11.5 in | 9 |
Climate twins of Cass Lake
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).