July is the hottest month in Grenoble with an average temperature of 20°C (68°F) and the coldest is January at 2°C (36°F) with the most daily sunshine hours at 9 in July. The wettest month is May with an average of 110mm of rain..
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Sunrise 07:49
Sunset 17:02
Sunrise 07:49
Sunset 17:02