Climate Overview
The climate in Aérodrome de Belle-Île is temperate. The average annual temperature is 14°C and approximately 808mm of precipitation falls per year. December is the wettest month, receiving around 114mm of rainfall. Aérodrome de Belle-Île 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 February, January, March, when temperatures can drop to 8°C.
Temperature
Aérodrome de Belle-Île sees moderate temperature variation throughout the year, ranging from 8°C to 20°C. August is the warmest month, though highs remain moderate at 20°C with a mean of 19°C. February is the coolest month, with minimum temperatures around 8°C and an average of 9°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between April and May, with a 3°C shift in average temperatures.
Precipitation
Aérodrome de Belle-Île is a moderately rainy area, receiving approximately 808mm of precipitation annually, which averages out to around 67mm per month. The wettest month is December, averaging 114mm of rainfall. November and January also tend to see above-average precipitation. The driest month is July, with just 28mm. That's 86mm less than December, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
Aérodrome de Belle-Île is relatively calm, with an average annual wind speed of 7km/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 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/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 9km/h in winter, 7km/h in spring, 6km/h in summer, 7km/h in autumn.
Seasons
93 days until Autumn
It is currently summer in Aérodrome de Belle-Île, which began on June 21, 2026. Aérodrome de Belle-Île 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 20°C, while the coldest stretch bottoms out in February near 8°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from 9 to 15°C. Precipitation is moderate at around 161mm for the season, averaging 54mm per month. Winds are generally light, averaging 7km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 16 to 20°C. Rainfall is relatively light, with around 123mm over the season and a monthly average of 41mm. Winds are generally light, averaging 6km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 11 to 18°C. Precipitation is moderate at around 226mm for the season, averaging 75mm per month. Winds are generally light, averaging 7km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 8 to 12°C. Precipitation is moderate at around 298mm for the season, averaging 99mm per month. Winds are generally light, averaging 9km/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 Aérodrome de Belle-Île is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 41mm per month. By contrast, February can be quite cold with temperatures dropping to 8°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 Aérodrome de Belle-Île 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.