July is the hottest month in Rustington with an average temperature of 18°C (63°F) and the coldest is January at 6°C (42°F) with the most daily sunshine hours at 8 in June. The wettest month is October with an average of 76.2mm of rain. The best month to swim in the sea is in August when the average sea temperature is 18°C (63°F).
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Sunrise 07:01
Sunset 16:29
Sunrise 07:01
Sunset 16:29