July is the hottest month in Rowlands Castle with an average temperature of 18°C (63°F) and the coldest is February at 5°C (41°F) with the most daily sunshine hours at 8 in July. The wettest month is December with an average of 71.9mm 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 08:06
Sunset 16:03
Sunrise 08:06
Sunset 16:03