July is the hottest month in Porthleven with an average temperature of 16°C (61°F) and the coldest is January at 6°C (43°F) with the most daily sunshine hours at 7 in August. The wettest month is January with an average of 140mm of rain..
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Sunrise 07:20
Sunset 16:51
Sunrise 07:20
Sunset 16:51