Climate Overview
The climate in Ars-en-Ré is temperate. The average annual temperature is 14°C and approximately 833mm of precipitation falls per year. November is the wettest month, receiving around 117mm of rainfall. Ars-en-Ré 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, December, when temperatures can drop to 7°C.
Temperature
Ars-en-Ré 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 20°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 4°C shift in average temperatures.
Precipitation
Ars-en-Ré is a moderately rainy area, receiving approximately 833mm of precipitation annually, which averages out to around 69mm per month. The wettest month is November, averaging 117mm of rainfall. December and October also tend to see above-average precipitation. The driest month is July, with just 24mm. That's 92mm 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
Ars-en-Ré is moderately windy, with an average annual wind speed of 28km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 32km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in August, with average winds dropping to 24km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 8km/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 32km/h in winter, 28km/h in spring, 25km/h in summer, 29km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Ars-en-Ré, which began on March 20, 2026. Ars-en-Ré 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. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 9 to 17°C. Precipitation is moderate at around 177mm for the season, averaging 59mm per month. Winds are strong, averaging 28km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 17 to 21°C. Rainfall is relatively light, with around 117mm over the season and a monthly average of 39mm. Winds are moderate at around 25km/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 272mm for the season, averaging 91mm per month. Winds are strong, averaging 29km/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 268mm for the season, averaging 89mm per month. Winds are strong, averaging 32km/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 Ars-en-Ré is during May, 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 55mm 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 Ars-en-Ré 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.