September is the hottest month in Newport Beach with an average temperature of 23°C (73°F) and the coldest is January at 14°C (56°F) with the most daily sunshine hours at 13 in August. The wettest month is February with an average of 73mm of rain. The best month to swim in the sea is in August when the average sea temperature is 21°C (69°F).
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Sunrise 06:14
Sunset 16:56
Sunrise 06:14
Sunset 16:56