August is the hottest month in Santurce with an average temperature of 29°C (83°F) and the coldest is January at 25°C (76°F) with the most daily sunshine hours at 10 in August. The wettest month is May with an average of 140.4mm of rain. The best month to swim in the sea is in August when the average sea temperature is 29°C (84°F).
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Sunrise 06:38
Sunset 17:51
Sunrise 06:38
Sunset 17:51