Wetzlar Weather & Climate: Best Time to Visit
The climate in Wetzlar, Hessen, Germany, is marked by large temperature swings across the seasons, ranging from 24°C (75°F) in July to 5°C (41°F) in January.
The city receives around 824 mm (32 in) of rain/snowfall per year. December is the wettest month and April the driest. Sunshine peaks in July, when the city sees around 7.8 hours of sunshine per day.
Monthly Temperature in Wetzlar
In Wetzlar, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 24°C (75°F) in July to a chilly 5°C (41°F) in January.
Nighttime temperatures range from 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 Wetzlar
On average, Wetzlar receives a reasonable amount of rain/snowfall, with an annual precipitation of 824 mm (32 in). The wettest period in Wetzlar occurs in December, which receives around 80 mm (3.1 in) of precipitation. During the driest month, April, Wetzlar experiences moderate rainfall, totaling 57 mm (2.2 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Wetzlar 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 Wetzlar
In Wetzlar, summer days are longer and more sunny, with daily sunshine hours peaking at 7.8 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.5 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Wetzlar by Month
The relative humidity is high throughout the year in Wetzlar.
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
Wetzlar 3-Day Forecast
Check the conditions for any month of the year.
