Groß-Gerau Weather & Climate: Best Time to Visit

In Groß-Gerau, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 26°C (79°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 15°C (59°F) in July to 0°C (32°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

On average, Groß-Gerau receives a reasonable amount of rain/snowfall, with an annual precipitation of 757 mm (30 in). Despite minor fluctuations, Groß-Gerau enjoys fairly consistent precipitation throughout the year. In December, you can expect around 73 mm (2.9 in) of precipitation, while in April, Groß-Gerau receives about 52 mm (2 in). For more details, please visit our Groß-Gerau Precipitation page.

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

The average number of days each month with precipitation

Groß-Gerau 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

The relative humidity is high throughout the year in Groß-Gerau.

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