When is the best time to visit Colombo?

January, February and August score best for comfortable weather in Colombo, balancing daytime temperatures against rainy days across the year.

What is the hottest month in Colombo?

April is typically the warmest month in Colombo, with daytime highs around 32.9°C.

October is typically the coolest month in Colombo, with daytime highs around 31.1°C.

October sees the most rain in Colombo, with around 19 rainy days.

February is usually the driest month in Colombo, with around 5 rainy days.

January, February and August score best for Colombo weather:

January32° / 23°CJanuary is one of the drier months, good for Galle Face, Pettah, and coastal day trips.
February32° / 24°CFebruary stays hot and relatively dry, with strong conditions for Fort walks and beaches.
August31° / 26°CAugust is humid with fewer downpours, decent for Galle Face evenings when skies clear.

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By TripSapien Research · Updated May 20, 2026

Month	High	Low	Rain (mm)	Rainy days	Daylight	Sea
JanuaryBest weather	32°	23°	85	6	12h	28°
FebruaryBest weather	32°	24°	70	5	12h	29°
March	33°	25°	101	7	12h	30°
April	33°	25°	267	13	12h	31°
May	32°	26°	316	17	12h	30°
June	32°	26°	203	16	12h	29°
July	31°	26°	134	11	12h	29°
AugustBest weather	31°	26°	120	10	12h	28°
September	31°	25°	276	16	12h	29°
October	31°	25°	395	19	12h	29°
November	31°	24°	364	17	12h	29°
December	31°	23°	174	10	12h	29°

Temperatures in °C. Long-term monthly averages.

Know your Colombo month?

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Colombo in January: 31.7°C high, 23°C low, 85mm rain over 6 days, 11.6h daylight. Hot and dry — outdoor friendly, hydrate.

Colombo in February: 32.1°C high, 23.5°C low, 70mm rain over 5 days, 11.8h daylight. Hot and dry — outdoor friendly, hydrate.

Colombo in March: 32.8°C high, 24.5°C low, 101mm rain over 7 days, 12h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.

Colombo in April: 32.9°C high, 25.1°C low, 267mm rain over 13 days, 12.2h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.

Colombo in May: 32.3°C high, 26.2°C low, 316mm rain over 17 days, 12.3h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.

Colombo in June: 31.6°C high, 26°C low, 203mm rain over 16 days, 12.4h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.

Colombo in July: 31.2°C high, 26°C low, 134mm rain over 11 days, 12.4h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.

Colombo in August: 31.2°C high, 26°C low, 120mm rain over 10 days, 12.2h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.

Colombo in September: 31.2°C high, 25.3°C low, 276mm rain over 16 days, 12h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.

Colombo in October: 31.1°C high, 24.6°C low, 395mm rain over 19 days, 11.8h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.

Colombo in November: 31.2°C high, 23.9°C low, 364mm rain over 17 days, 11.7h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.

Colombo in December: 31.4°C high, 23.4°C low, 174mm rain over 10 days, 11.6h daylight. Hot and rainy — afternoon storms, plan indoor afternoons.

Pick one of the best months and turn it into a full Colombo plan — every place checked for closures, limited hours, and booking needs on your dates.