August is the hottest month in Mablethorpe with an average temperature of 17°C (62°F) and the coldest is January at 5°C (40°F) with the most daily sunshine hours at 9 in June. The wettest month is January with an average of 3mm of rain. The best month to swim in the sea is in August when the average sea temperature is 16°C (61°F).
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Sunrise 07:25
Sunset 16:02
Sunrise 07:25
Sunset 16:02