Grand Blanc, MI
Climate overview — based on NOAA 1991-2020 normals from GOODRICH, MI US.
Year-round temperatures (°F)
Climate summary
Grand Blanc has an annual average temperature of 47.5°F with about 32.2 inches of precipitation per year. The warmest month is July (average high 81.7°F), and the coldest is January (average low 15.3°F). May is typically the wettest month (3.71 in) and February the driest (1.48 in).
Best time to visit Grand Blanc
Full guide →Climate change signal
All-time records →169 of 366 (46.2%) of Grand Blanc'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.
| 2000s | 110 | |
| 2010s | 174 | |
| 2020s | 82 |
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 | 30.1°F | 15.3°F | 22.7°F | 2.15 in | — | 13 |
| February | 33.4°F | 16.0°F | 24.7°F | 1.48 in | — | 10 |
| March | 43.6°F | 23.5°F | 33.6°F | 1.98 in | — | 10 |
| April | 56.4°F | 34.2°F | 45.3°F | 2.97 in | — | 12 |
| May | 68.5°F | 46.2°F | 57.3°F | 3.71 in | — | 13 |
| June | 77.7°F | 55.6°F | 66.7°F | 3.08 in | — | 11 |
| July | 81.7°F | 58.9°F | 70.3°F | 3.69 in | — | 10 |
| August | 80.1°F | 58.3°F | 69.2°F | 3.24 in | — | 10 |
| September | 73.6°F | 50.8°F | 62.2°F | 2.99 in | — | 11 |
| October | 60.3°F | 40.1°F | 50.2°F | 2.67 in | — | 14 |
| November | 46.7°F | 30.8°F | 38.7°F | 2.32 in | — | 10 |
| December | 35.4°F | 21.9°F | 28.7°F | 1.92 in | — | 13 |
Climate twins of Grand Blanc
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).