June is the hottest month in San Juan with an average temperature of 28°C (82°F) and the coldest is January at 25°C (77°F) with the most daily sunshine hours at 9 in October. The wettest month is November with an average of 157mm 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 06:36
Sunset 17:46
Sunrise 06:36
Sunset 17:46