Sierre Weather and Climate: A Comprehensive Guide
Sierre experiences great temperature shifts.
The city's weather can transition from pleasant days
to very cold weather.
It also has a relatively rain/snowy climate with high levels of precipitation.
Now, let’s explore all the climate details to give you a full picture.
Average maximum day and minimum night temperature
The climate in Sierre is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a pleasant 19°C in July to a very cold -4°C in January.
Nighttime temperatures can drop, with average lows reaching -13°C in January. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Sierre has a notably wet climate with abundant precipitation, recording 1568 mm of rain/snowfall per year. The wettest period in Sierre occurs in June, which receives around 153 mm of precipitation. During the driest month, October, Sierre experiences high rainfall, totaling approximately 112 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
Sunshine over the year
In Sierre, summer days are longer and more sunny, with daily sunshine hours peaking at 9.0 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.3 hours per average day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is high throughout the year in Sierre.
The city experiences its highest humidity in December, reaching 83%. In April, the humidity drops to its lowest level at 59%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Average wind speed
The mean wind speed over the year ranges from 1 m/s in January, October, November and December to 2 m/s in February, March, April, May, June, July, August and September.
The mean monthly wind speed over the year (meters per second)
almost clear and no rain clear and no rain clear and no rainForecast for Sierre
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Sierre in Switzerland
Other facts from our historical weather data:Most rainfall (rainy season) is seen in May and June.
The coldest season / winter is in the following months: January, February, November and December.
July has an average maximum temperature of 19°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of -4°C.
June tops the wettest month list with 153 mm of rainfall.
October is the driest month with 112 mm of precipitation.
July is the sunniest month with an average of 270 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.