Grand Haven (MI) Weather & Climate: Best Time to Visit

Visitors to Grand Haven can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 26°C (79°F) in July. In February, the coolest month of the year, temperatures drop to a very cold -1°C (30°F).

At night, temperatures range from around 17°C (63°F) in July to -8°C (18°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Grand Haven experiences moderate precipitation patterns, averaging 999 mm (39 in) yearly. Grand Haven experiences moderate seasonal variation in rainfall, with monthly averages ranging from 108 mm (4.3 in) in April, the wettest month, and 59 mm (2.3 in) in March, the driest month. For more details, please visit our Grand Haven Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Grand Haven can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.9 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.1 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Grand Haven.

The city experiences its highest humidity in December, reaching 79%. In May, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year