July is the hottest month in Weymouth with an average temperature of 17°C (63°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 December with an average of 70mm of rain. The best month to swim in the sea is in September when the average sea temperature is 17°C (63°F).
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Sunrise 07:38
Sunset 16:14
Sunrise 07:38
Sunset 16:14