July is the hottest month in La Roche-sur-Yon with an average temperature of 20°C (67°F) and the coldest is January at 8°C (45°F) with the most daily sunshine hours at 9 in August. The wettest month is December with an average of 89.2mm of rain..
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Sunrise 08:19
Sunset 17:24
Sunrise 08:19
Sunset 17:24