July is the hottest month in Arendal with an average temperature of 16°C (61°F) and the coldest is January at 1°C (34°F) with the most daily sunshine hours at 8 in June. The wettest month is October with an average of 110mm of rain..
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Sunrise 08:28
Sunset 15:53
Sunrise 08:28
Sunset 15:53