When to go
The Best Time to Visit Colombo
Month-by-month climate data for Colombo, Sri Lanka — daily highs and lows, rain days, and an honest verdict for every month of the year.
Timing is the first real decision when planning Colombo— it drives crowds, prices and what's actually open. Here's how the year breaks down so you can pick dates that fit the trip you're building, not just the weather.
December–March. Dry season on the west coast; April brings hot pre-monsoon weeks and May the rains.
Warmest in Colombo: Feb (31°C / 88°F) · Coolest: Sep (28°C / 82°F) · Wettest: May (~30 rain days)
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)
Colombo climate, month by month
January
30° / 23°C
~15 rain days
Good
February
31° / 23°C
~10 rain days
Good
March
31° / 24°C
~18 rain days
Fair
April
31° / 25°C
~24 rain days
Fair
May
30° / 25°C
~30 rain days
Fair
June
29° / 25°C
~29 rain days
Fair
July
29° / 25°C
~28 rain days
Fair
August
29° / 25°C
~29 rain days
Fair
September
28° / 25°C
~29 rain days
Good
October
28° / 24°C
~29 rain days
Good
November
29° / 23°C
~25 rain days
Fair
December
29° / 23°C
~21 rain days
Good
Plan around it
Dates locked in? Start from the Colombo travel guide or jump straight to a 3-day, 5-day or 7-day itinerary.