April is the hottest month in Colombo with an average temperature of 29°C (84°F) and the coldest is January at 27°C (81°F) with the most daily sunshine hours at 9 in March. The wettest month is May with an average of 382mm of rain. The best month to swim in the sea is in April when the average sea temperature is 30°C (86°F).
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Sunrise 05:58
Sunset 17:59
Sunrise 05:58
Sunset 17:59