Climate Overview
The climate in Le Mée-sur-Seine is temperate. The average annual temperature is 11°C and approximately 796mm of precipitation falls per year. May is the wettest month, receiving around 174mm of rainfall. Le Mée-sur-Seine is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are December, January, February, when temperatures can drop to 1°C.
Temperature
Temperatures in Le Mée-sur-Seine vary considerably across the year, with a 25°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 26°C and the mean temperature sits around 21°C. December is the coolest month, with minimum temperatures around 1°C and an average of 3°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between September and October, with a 7°C shift in average temperatures.
Precipitation
Le Mée-sur-Seine is a relatively dry area, receiving approximately 796mm of precipitation annually, which averages out to around 66mm per month. The wettest month is May, averaging 174mm of rainfall. March and January also tend to see above-average precipitation. The driest month is August, with just 19mm. That's 156mm less than May, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Le Mée-sur-Seine is relatively calm, with an average annual wind speed of 3km/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 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.
Seasons
52 days until Autumn
It is currently summer in Le Mée-sur-Seine, which began on June 21, 2026. Le Mée-sur-Seine 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 August at around 26°C, while the coldest stretch bottoms out in December near 1°C. Autumn is next, beginning on September 23, 2026 — 52 days from now.
Spring
Temperatures range from 3 to 18°C. Rainfall is heavy, totalling around 350mm across the season with a monthly average of 117mm. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 14 to 26°C. Rainfall is relatively light, with around 131mm over the season and a monthly average of 44mm. Winds are generally light, averaging 3km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 4 to 23°C. Rainfall is relatively light, with around 136mm over the season and a monthly average of 45mm. Winds are generally light, averaging 3km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 1 to 9°C. Precipitation is moderate at around 179mm for the season, averaging 60mm per month. Winds are generally light, averaging 4km/h. A warm coat and layers are recommended, especially for early mornings and evenings.
Best Time to Visit
The best time to visit Le Mée-sur-Seine is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 40mm per month. By contrast, December can be quite cold with temperatures dropping to 1°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Le Mée-sur-Seine 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. 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.
