Grenchen Climate by Month
Grenchen experiences great temperature shifts.
The city's weather can transition from warm days
to cold weather.
It also has a notably wet climate with much precipitation.
Now, let’s break down all the climate details for a clearer picture.
Average day and night temperature
The climate in Grenchen is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures range from a comfortable 25°C in July, the warmest time of the year, to a chilly 5°C during cooler months like January. At night, temperatures typically average around -2°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Grenchen has a notably wet climate with abundant precipitation, recording 1408 mm of rain/snowfall per year. While rainfall varies throughout the year, each season offers its own charm. May brings wetter days averaging 149 mm of precipitation, spread over 18 rainy days. In contrast, February experiences a drier climate, with about 90 mm of snow/rainfall spread across 14 snowy/rainy days.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
Seasonal changes in sunshine hours are quite dramatic in Grenchen. While July receives considerable daily sunshine with up to 8.1 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.8 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is moderate throughout the year in Grenchen.
Relative humidity over the year
The best time of year to visit Grenchen in Switzerland
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 25°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 5°C.
May tops the wettest month list with 149 mm of rainfall.
February is the driest month with 90 mm of precipitation.
July is the sunniest month with an average of 244 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.
