Chatham, MI
Climate overview — based on NOAA 1991-2020 normals from CHATHAM EXP FARM 2, MI US.
Year-round temperatures (°F)
Climate summary
Chatham has an annual average temperature of 41.4°F with about 35.1 inches of precipitation per year and 164 inches of snow. The warmest month is July (average high 77.9°F), and the coldest is February (average low 6.9°F). October is typically the wettest month (4.74 in) and February the driest (1.53 in). Snow typically falls from October through May.
Best time to visit Chatham
Full guide →Climate change signal
All-time records →91 of 366 (24.9%) of Chatham'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.
| 1980s | 32 | |
| 1990s | 110 | |
| 2000s | 96 | |
| 2010s | 63 | |
| 2020s | 65 |
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 | 24.5°F | 8.0°F | 16.2°F | 2.04 in | 45.6 in | 20 |
| February | 27.4°F | 6.9°F | 17.2°F | 1.53 in | 29.7 in | 14 |
| March | 36.9°F | 15.4°F | 26.1°F | 1.69 in | 18.6 in | 12 |
| April | 48.3°F | 27.3°F | 37.8°F | 2.44 in | 11.8 in | 11 |
| May | 63.1°F | 38.8°F | 50.9°F | 3.27 in | 0.6 in | 13 |
| June | 73.3°F | 48.4°F | 60.9°F | 3.37 in | — | 12 |
| July | 77.9°F | 53.7°F | 65.8°F | 3.58 in | — | 13 |
| August | 76.5°F | 52.7°F | 64.6°F | 3.03 in | — | 12 |
| September | 68.8°F | 46.2°F | 57.5°F | 4.25 in | — | 15 |
| October | 54.7°F | 35.1°F | 44.9°F | 4.74 in | 2.5 in | 17 |
| November | 40.4°F | 25.0°F | 32.7°F | 2.86 in | 18.9 in | 15 |
| December | 29.8°F | 14.5°F | 22.1°F | 2.29 in | 36.3 in | 17 |
Climate twins of Chatham
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).