Grand Blanc, MI Weather & Climate Normals
What a normal year in Grand Blanc actually looks like
On the 30-year record NOAA keeps for Grand Blanc, MI, the comfort score comes out to 43/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Grand Blanc's weather actually swings
Average temperatures in Grand Blanc run from 23°F in Jan up to 71°F in Jul, a 47.9°F seasonal swing, one of the widest gaps in this dataset.
Grand Blanc, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 30°F | 16°F | 1.99in | 15.1in |
| Feb | 33°F | 17°F | 1.68in | 13in |
| Mar | 43°F | 25°F | 1.97in | 6.6in |
| Apr | 57°F | 35°F | 3.13in | 2.4in |
| May | 69°F | 46°F | 3.68in | 0in |
| Jun | 78°F | 56°F | 3.12in | 0in |
| Jul | 82°F | 60°F | 3.41in | 0in |
| Aug | 80°F | 58°F | 3.16in | 0in |
| Sep | 73°F | 50°F | 2.9in | 0in |
| Oct | 60°F | 40°F | 2.77in | 0.3in |
| Nov | 47°F | 31°F | 2.27in | 3.3in |
| Dec | 35°F | 23°F | 1.89in | 11.4in |
If you're timing a visit, May, Jun, Jul, Aug, and Sep are Grand Blanc's mildest stretch; if you're moving there, you should plan around Jan's cold instead.
How wet Grand Blanc actually gets
Over a typical year, Grand Blanc sees about 31.97in of precipitation a year across roughly 138 days with measurable rain or snow, with 52.1in of snow a year.
Grand Blanc against the rest of the country
Out of 4876 cities scored here, Grand Blanc comes in at 4093; within MI alone it ranks 124 of 153. Population is about 7,924.
Checking the actual forecast
These figures come from Flint Bishop Intl Ap, MI US, the NOAA station 6.9 miles from Grand Blanc, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why this uses the nearest NOAA station · How the comfort score is calculated