Wetzlar Weather and Climate: A Comprehensive Guide
The climate in Wetzlar is marked by big temperature swings throughout the year.
Temperatures range from warm during the warmest months
to cold in the cooler months.
It receives a moderate amount of precipitation.
Let’s explore the climate details in depth to provide you with a complete overview.
Average maximum day and minimum night temperature
In Wetzlar, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 24°C in July to a chilly 5°C in January.
Nighttime temperatures can drop, with average lows reaching -1°C in January. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
On average, Wetzlar receives a reasonable amount of rain/snowfall, with an annual precipitation of 824 mm. The wettest period in Wetzlar occurs in December, which receives around 80 mm of precipitation. During the driest month, April, Wetzlar experiences moderate rainfall, totaling approximately 57 mm. The consistent precipitation levels throughout the year contribute to a relatively stable climate.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
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
Average humidity
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%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
broken clouds and no rain overcast and chance of slight rain partly cloudy and no rainForecast for Wetzlar
3 m/s
3 m/s
2 m/s
The best time of year to visit Wetzlar in Germany
During the months of June, July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
July has an average maximum temperature of 24°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 5°C.
December tops the wettest month list with 80 mm of rainfall.
April is the driest month with 57 mm of precipitation.
July is the sunniest month with an average of 235 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
