Climate Overview
The climate in Fiesch is cool. The average annual temperature is 4°C and approximately 1928mm of precipitation falls per year. Fiesch receives a notable amount of rainfall throughout the year, including during its driest month. Fiesch is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, December, February, when temperatures can drop to -10°C. Fiesch experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Fiesch vary considerably across the year, with a 29°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 19°C with a mean of 14°C. The coldest month is January, when overnight lows fall to -10°C and the daily average is -6°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.
Precipitation
Fiesch is a fairly wet location, receiving approximately 1928mm of precipitation annually, which averages out to around 161mm per month. The wettest month is June, averaging 246mm of rainfall. October and May also tend to see above-average precipitation. The driest month is February, with just 85mm. That's 160mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Fiesch receives heavy snowfall, accumulating around 461cm annually from January through December. The snowiest month is March, with approximately 90cm. Winter travel should account for significant snow cover.
Wind
Fiesch is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in Fiesch, which began on March 20, 2026. Fiesch is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 19°C, while the coldest stretch bottoms out in January near -10°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from -5 to 11°C. Rainfall is heavy, totalling around 488mm across the season with a monthly average of 163mm. Winds are generally light, averaging 8km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 7 to 19°C. Rainfall is heavy, totalling around 604mm across the season with a monthly average of 201mm. Winds are generally light, averaging 7km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -5 to 14°C. Rainfall is heavy, totalling around 551mm across the season with a monthly average of 184mm. Expect around 98cm of snow accumulation during this period. Winds are generally light, averaging 7km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -10 to 1°C. Precipitation is moderate at around 285mm for the season, averaging 95mm per month. Expect around 198cm of snow accumulation during this period. Winds are generally light, averaging 9km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Fiesch based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
