Hamm Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from comfortable to chilly in Hamm. Average maximum daytime temperatures range from a comfortable 25°C (77°F) in July, the warmest time of the year, to a chilly 6°C (43°F) during cooler months like January.

At night, you can expect temperatures ranging from 14°C (57°F) in July to around 0°C (32°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Hamm has a moderate amount of precipitation, averaging 893 mm (35 in) of rain/snowfall annually. Year-round, Hamm has a balanced climate with minimal variation in precipitation. The difference between the wettest month, August, with 84 mm (3.3 in), and the driest month, April, with 58 mm (2.3 in), is minimal. For more details, please visit our Hamm Precipitation page.

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

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Hamm. While May receives considerable daily sunshine with up to 7.9 hours, January marks the darkest time of the year, where sunshine is scarce with only 1.3 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine