Climate Overview
The climate in Anthy-sur-Léman is cool. The average annual temperature is 9°C and approximately 1572mm of precipitation falls per year. Anthy-sur-Léman receives a notable amount of rainfall throughout the year, including during its driest month. Anthy-sur-Léman 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 -3°C. Anthy-sur-Léman experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Anthy-sur-Léman vary considerably across the year, with a 26°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 23°C with a mean of 18°C. The coldest month is January, when overnight lows fall to -3°C and the daily average is 0°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 5°C shift in average temperatures.
Precipitation
Anthy-sur-Léman is a fairly wet location, receiving approximately 1572mm of precipitation annually, which averages out to around 131mm per month. The wettest month is May, averaging 177mm of rainfall. December and June also tend to see above-average precipitation. The driest month is February, with just 95mm. That's 81mm less than May, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Anthy-sur-Léman receives heavy snowfall, accumulating around 257cm annually from January through December. The snowiest month is January, with approximately 61cm. Winter travel should account for significant snow cover.
Wind
Anthy-sur-Léman is relatively calm, with an average annual wind speed of 6km/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 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.
Seasons
87 days until Winter
It is currently autumn in Anthy-sur-Léman, which began on September 23, 2026. Anthy-sur-Léman 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 23°C, while the coldest stretch bottoms out in January near -3°C. Winter is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from 0 to 16°C. Rainfall is heavy, totalling around 398mm across the season with a monthly average of 133mm. Winds are generally light, averaging 6km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 11 to 23°C. Rainfall is heavy, totalling around 405mm across the season with a monthly average of 135mm. Winds are generally light, averaging 5km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 1 to 19°C. Rainfall is heavy, totalling around 373mm across the season with a monthly average of 124mm. Expect around 35cm of snow accumulation during this period. Winds are generally light, averaging 5km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -3 to 7°C. Rainfall is heavy, totalling around 396mm across the season with a monthly average of 132mm. Expect around 162cm of snow accumulation during this period. Winds are generally light, averaging 6km/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 Anthy-sur-Léman 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.
