Gießen Weather & Climate: Best Time to Visit

Monthly Temperature in Gießen

Depending on the time of the year, temperatures range from comfortable to chilly in Gießen. Average daytime temperatures reach a comfortable 25°C (77°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 5°C (41°F).

At night, temperatures range from around 14°C (57°F) in July to -1°C (30°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Gießen

Generally, Gießen has a moderate amount of precipitation, averaging 781 mm (31 in) of rain/snowfall annually. Despite minor fluctuations, Gießen enjoys fairly consistent precipitation throughout the year. In December, you can expect around 76 mm (3 in) of precipitation, while in April, Gießen receives about 55 mm (2.2 in). For more details, please visit our Gießen Precipitation page.

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

The average number of days each month with precipitation

Sunshine Hours in Gießen

Gießen can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.8 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.5 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

Humidity in Gießen by Month

The relative humidity is high throughout the year in Gießen.

The city experiences its highest humidity in December, reaching 88%. In May, the humidity drops to its lowest level at 66%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year