Grand Blanc (MI) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Grand Blanc.
Climate overview of Grand Blanc
Grand Blanc, Michigan, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 28°C (82°F) in July, while winters cool to -1°C (30°F) in January.
Grand Blanc sees a moderate amount of rain/snowfall, totalling around 890 mm (35 in) per year. It experiences warm summers and very cold winters, creating some seasonal variation.
Grand Blanc Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grand Blanc - and find the best time to visit.
Monthly Temperature in Grand Blanc
Depending on the time of the year, temperatures range from comfortable to very cold in Grand Blanc. Average maximum daytime temperatures range from a comfortable 28°C (82°F) in July, the warmest time of the year, to a very cold -1°C (30°F) during cooler months like January.
At night, you can expect temperatures ranging from 16°C (61°F) in July to around -10°C (14°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Grand Blanc
Generally, Grand Blanc has a moderate amount of precipitation, averaging 890 mm (35 in) of rain/snowfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, May it receives high rainfall, averaging 114 mm (4.5 in) of precipitation, recorded across 14 rainy days. In contrast, the driest month February brings less snowfall, with 44 mm (1.7 in) over 12 snowy days. For more details, please visit our Grand Blanc Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Grand Blanc
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Fewer rainy days: March, July, August, September and November
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -10°C (14°F).
Frequently asked questions about the climate in Grand Blanc
What is the best time to visit Grand Blanc?
June, July, August and September typically offer the most optimal weather in Grand Blanc. In contrast, January, February, March, November and December tend to have less optimal conditions. Grand Blanc has warm summers and very cold winters.
What temperatures can I expect in Grand Blanc?
Daytime highs range from -1°C (30°F) in January to 28°C (82°F) in July. Nighttime lows range from -10°C (14°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Grand Blanc get?
Annual rainfall is around 890 mm (35 in). May is the wettest month with 114 mm (4.5 in), while February is the driest with 44 mm (1.7 in).
Grand Blanc 3-Day Forecast
Grand Blanc (MI) 3-Day Forecast
Grand Blanc on the map
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