August is the hottest month in Barcelona with an average temperature of 24°C (74°F) and the coldest is January at 10°C (49°F) with the most daily sunshine hours at 10 in July. The wettest month is October with an average of 87mm of rain. The best month to swim in the sea is in August when the average sea temperature is 26°C (79°F).
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Sunrise 07:37
Sunset 17:34