Haan Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from comfortable to chilly in Haan. Average maximum daytime temperatures range from a comfortable 24°C (75°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 1°C (34°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Haan has a relatively rain/snowy climate with high precipitation levels, averaging 1097 mm (43 in) of rain/snowfall annually. While rainfall varies throughout the year, each season offers its own charm. December brings wetter days averaging 112 mm (4.4 in) of precipitation, spread over 18 rainy days.

In contrast, the driest month April experiences a drier climate, with about 66 mm (2.6 in) of rainfall spread across 16 rainy days. For more details, please visit our Haan 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 Haan. While July receives considerable daily sunshine with up to 7.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.6 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Haan.

The city experiences its highest humidity in December, reaching 86%. In May, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year