SwitzerlandCountries Switzerland Canton of Solothurn Olten
SwitzerlandSwitzerland Canton of Solothurn Olten
Olten
Weather averages
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Olten Weather and Climate: A Comprehensive Guide

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 maximum day and minimum night temperature

Visitors to Olten can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a comfortable 25°C in July to a chilly 5°C in the coolest month, January.

Nights are cooler, with lows often dropping to around -1°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

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. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine
Data from: Basel, Switzerland (33 KM, 20 Miles).

Daily hours of sunshine
Data from: Basel, Switzerland (33 KM, 20 Miles).

Daily percentage of sunshine
Data from: Basel, Switzerland (33 KM, 20 Miles).

Average humidity

The relative humidity is high throughout the year in Olten.

The city experiences its highest humidity in November, reaching 82%. In April, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year
Data from: Basel, Switzerland (33 KM, 20 Miles).

Forecast for Olten

Wed   Jan 15
3°C | -7°C
NE 2 m/s
broken clouds and no rain

broken clouds and no rain

hourly forecast
Thu   Jan 16
4°C | -1°C
NE 4 m/s
partly cloudy and no rain

partly cloudy and no rain

hourly forecast
Fri   Jan 17
2°C | -3°C
E 3 m/s
broken clouds and no rain

broken clouds and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

Select a Month of Interest

Check the conditions for any month of 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:
  • Which months have the greatest rainfall in Olten?
    Most rainfall (rainy season) is seen in May, June, July and August.
  • Which is the warmest month in Olten?
    July has an average maximum temperature of 25°C and is the warmest month of the year.
  • Which is the coldest month in Olten?
    The coldest month is January with an average maximum temperature of 5°C.
  • Which is the wettest month in Olten?
    July tops the wettest month list with 159 mm of rainfall.
  • Which is the driest month in Olten?
    February is the driest month with 88 mm of precipitation.
  • Which is the sunniest month in Olten?
    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.

     

     


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