Olten Climate by Month
The temperature in Olten can vary quite a bit throughout the year.
Temperatures can be warm during the warmest months,
and cold during the cooler months.
It is also known for its large amounts of rain/snowfall.
Now, let’s break down all the climate details for a clearer picture.
Average day and night temperature
Visitors to Olten can expect significant temperature changes throughout the year. Typically, daytime temperatures range from a comfortable 25°C in July to a chilly 5°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to -1°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Olten is known for its substantial rain/snowfall, with annual precipitation reaching 1424 mm. Olten offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between July (159 mm) and February (88 mm) is not too significant, making the climate enjoyable for visitors and residents alike.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
For those who appreciate different seasons, Olten serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.9 hours of sunshine daily, and embrace the darker days in December, offering only 1.8 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is moderate throughout the year in Olten.
Relative humidity over the year
The best time of year to visit Olten 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 May, 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 159 mm of rainfall.
February is the driest month with 88 mm of precipitation.
July is the sunniest month with an average of 237 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.
