July is the hottest month in Silloth with an average temperature of 18°C (64°F) and the coldest is January at 0°C (32°F) with the most daily sunshine hours at 8 in July. The wettest month is June with an average of 61mm 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 08:00
Sunset 15:58
Sunrise 08:00
Sunset 15:58