Climate Overview
The climate in L'Île-d'Yeu is temperate. The average annual temperature is 14°C and approximately 754mm of precipitation falls per year. November is the wettest month, receiving around 101mm of rainfall. L'Île-d'Yeu 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 January, February, March, when temperatures can drop to 7°C.
Temperature
L'Île-d'Yeu sees moderate temperature variation throughout the year, ranging from 7°C to 21°C. August is the warmest month, though highs remain moderate at 21°C with a mean of 19°C. January is the coolest month, with minimum temperatures around 7°C and an average of 8°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between October and November, with a 3°C shift in average temperatures.
Precipitation
L'Île-d'Yeu is a relatively dry area, receiving approximately 754mm of precipitation annually, which averages out to around 63mm per month. The wettest month is November, averaging 101mm of rainfall. December and January also tend to see above-average precipitation. The driest month is July, with just 29mm. That's 72mm less than November, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
L'Île-d'Yeu is moderately windy, with an average annual wind speed of 22km/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 26km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 18km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 8km/h gap 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 25km/h in winter, 21km/h in spring, 18km/h in summer, 22km/h in autumn.
Seasons
85 days until Winter
It is currently autumn in L'Île-d'Yeu, which began on September 23, 2026. L'Île-d'Yeu 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 21°C, while the coldest stretch bottoms out in January near 7°C. Winter is next, beginning on December 21, 2026 (85 days from now).
Spring
Temperatures range from 8 to 17°C. Precipitation is moderate at around 153mm for the season, averaging 51mm per month. Winds are moderate at around 21km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.
Summer
Temperatures range from 16 to 21°C. Rainfall is relatively light, with around 112mm over the season and a monthly average of 37mm. Winds are moderate at around 18km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 11 to 20°C. Precipitation is moderate at around 244mm for the season, averaging 81mm per month. Winds are moderate at around 22km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 7 to 11°C. Precipitation is moderate at around 246mm for the season, averaging 82mm per month. Winds are moderate at around 25km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit L'Île-d'Yeu is during June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 51mm per month. By contrast, January can be quite cold with temperatures dropping to 7°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 L'Île-d'Yeu 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.