July is the hottest month in Plymouth 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 July. The wettest month is December with an average of 120mm of rain. The best month to swim in the sea is in August when the average sea temperature is 17°C (63°F).
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Sunrise 07:41
Sunset 16:23
Sunrise 07:41
Sunset 16:23