Gronau Weather & Climate: Best Time to Visit

In Gronau, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 24°C (75°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 6°C (43°F).

At night, temperatures range from around 14°C (57°F) in July to 1°C (34°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

On average, Gronau receives a reasonable amount of rain/snowfall, with an annual precipitation of 878 mm (35 in). Despite minor fluctuations, Gronau enjoys fairly consistent precipitation throughout the year. In July, you can expect around 88 mm (3.5 in) of precipitation, while in April, Gronau receives about 57 mm (2.2 in). For more details, please visit our Gronau Precipitation page.

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

The average number of days each month with precipitation

Gronau can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.2 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.8 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 city experiences its highest humidity in November, reaching 88%. In April, the humidity drops to its lowest level at 72%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year

The average wind speed over the year ranges from 3 m/s (6 knots) to 4 m/s (8 knots). It is lower in May, June, July, August, September and October and higher in January, February, March, April, November and December. What does this mean?

The mean monthly wind speed over the year (meters per second)