Climate Insights for Locarno

The climate in Locarno is cool. The average annual temperature is 8°C and approximately 1626mm of precipitation falls per year. Locarno receives a notable amount of rainfall throughout the year, including during its driest month. Locarno 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 -5°C. Locarno experiences heavy snowfall, typically from January through December.

Temperatures in Locarno vary considerably across the year, with a 27°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 22°C with a mean of 17°C. The coldest month is January, when overnight lows fall to -5°C and the daily average is -1°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Locarno is a fairly wet location, receiving approximately 1626mm of precipitation annually, which averages out to around 135mm per month. The wettest month is October, averaging 224mm of rainfall. May and August also tend to see above-average precipitation. The driest month is February, with just 69mm. That's 155mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Locarno receives heavy snowfall, accumulating around 314cm annually from January through December. The snowiest month is March, with approximately 62cm. Winter travel should account for significant snow cover.

Locarno is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 4km/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.

It is currently summer in Locarno, which began on June 21, 2026. Locarno 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 22°C, while the coldest stretch bottoms out in January near -5°C. Autumn is next, beginning on September 23, 2026 (1 days from now).

The table below shows monthly climate averages for Locarno 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.