Affoltern Climate by Month
The climate in Affoltern is marked by big temperature swings throughout the year.
Temperatures range from warm during the warmest months
to cold in the cooler months.
It also has a notably wet climate with much precipitation.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
In Affoltern, temperatures differ significantly between summer and winter months. 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 -1°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Affoltern experiences significant rain/snowfall throughout the year, averaging 1463 mm of precipitation annually. Year-round, Affoltern has a balanced climate with minimal variation in precipitation. The difference between the wettest month, July, with 153 mm, and the driest month, January, with 96 mm, is minimal.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Affoltern. While July receives considerable daily sunshine with up to 7.7 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.6 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is moderate throughout the year in Affoltern.
Relative humidity over the year
Average wind speed
The mean wind speed over the year in Affoltern ranges from 2°C in January to 3°C in February.
The mean monthly wind speed over the year (meters per second)
The best time of year to visit Affoltern in Switzerland
During the months of June, July, August and September 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:
Most rainfall (rainy season) is seen in June, July and August.
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.
July tops the wettest month list with 153 mm of rainfall.
January is the driest month with 96 mm of precipitation.
July is the sunniest month with an average of 230 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.