Belle Île en Mer in France sees its peak temperatures in August (21°C (70°F)) and its coolest in February (11°C (52°F)). For a full breakdown of what to expect throughout the year, we've put together a climate overview based on data from Sauzon, the region's most visited city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
The weather in Belle Île en Mer during July, August and September is comfortably warm, with average temperatures ranging from 20°C (68°F) to 21°C (70°F).
Precipitation in Belle Île en Mer varies considerably throughout the year. The wettest conditions occur in December with 107 mm (4.2 in) of rain, while July stays relatively dry with 41 mm (1.6 in).
