Climate Insights for Cortaillod

The climate in Cortaillod is cool. The average annual temperature is 9°C and approximately 1475mm of precipitation falls per year. Cortaillod receives a notable amount of rainfall throughout the year, including during its driest month. Cortaillod 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, February, December, when temperatures can drop to -2°C. Snowfall occurs from January to December, with around 153cm accumulating over the season.

Temperatures in Cortaillod 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 24°C with a mean of 19°C. The coldest month is January, when overnight lows fall to -2°C and the daily average is 0°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 5°C shift in average temperatures.

Cortaillod is a fairly wet location, receiving approximately 1475mm of precipitation annually, which averages out to around 123mm per month. The wettest month is May, averaging 162mm of rainfall. June and January also tend to see above-average precipitation. The driest month is February, with just 91mm. That's 70mm 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. Snowfall is a regular feature from January to December, with around 153cm accumulating over the season. January typically sees the most snow at around 45cm.

Cortaillod is mildly breezy, with an average annual wind speed of 13km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 14km/h in winter, 14km/h in spring, 11km/h in summer, 12km/h in autumn.

It is currently spring in Cortaillod, which began on March 20, 2026. Cortaillod 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 24°C, while the coldest stretch bottoms out in January near -2°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The table below shows monthly climate averages for Cortaillod 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.