Roscommon, MI
Climate overview — based on NOAA 1991-2020 normals from HOUGHTON LK ROSCOMMON AP, MI US.
Year-round temperatures (°F)
Climate summary
Roscommon has an annual average temperature of 44.1°F with about 29.6 inches of precipitation per year and 65.9 inches of snow. The warmest month is July (average high 80.5°F), and the coldest is February (average low 11.0°F). June is typically the wettest month (3.22 in) and February the driest (1.41 in). Snow typically falls from October through April.
Best time to visit Roscommon
Full guide →Climate change signal
All-time records →88 of 366 (24%) of Roscommon'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.
| 1960s | 17 | |
| 1970s | 41 | |
| 1980s | 61 | |
| 1990s | 68 | |
| 2000s | 56 | |
| 2010s | 73 | |
| 2020s | 50 |
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 | 26.9°F | 11.4°F | 19.1°F | 1.70 in | 16.4 in | 14 |
| February | 29.6°F | 11.0°F | 20.3°F | 1.41 in | 13.6 in | 11 |
| March | 40.4°F | 19.1°F | 29.7°F | 1.78 in | 8.3 in | 11 |
| April | 53.8°F | 30.7°F | 42.2°F | 3.10 in | 4.4 in | 12 |
| May | 67.2°F | 42.3°F | 54.7°F | 3.15 in | 0.1 in | 12 |
| June | 76.7°F | 51.1°F | 63.9°F | 3.22 in | — | 11 |
| July | 80.5°F | 55.0°F | 67.8°F | 2.74 in | — | 10 |
| August | 78.3°F | 53.3°F | 65.8°F | 2.86 in | — | 10 |
| September | 70.6°F | 46.1°F | 58.3°F | 2.59 in | — | 11 |
| October | 56.8°F | 36.8°F | 46.8°F | 3.08 in | 0.5 in | 14 |
| November | 43.1°F | 27.9°F | 35.5°F | 2.20 in | 7.5 in | 13 |
| December | 32.1°F | 19.0°F | 25.6°F | 1.76 in | 15.1 in | 14 |
Climate twins of Roscommon
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).