Monthly weather forecast and climate
Gladstone, MI

Average sea temperature - Gladstone, MI

The best month for swimming (with the highest average sea temperature) is August (67.2°F).
The coldest month (with the lowest average sea temperature) is February (34.9°F).

Average daylight - Gladstone, MI

The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).

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