Asia › Sri Lanka › Colombo
30-year normals (1991-2020)
Colombo has a tropical monsoon climate, classified as Am in the Köppen system. The warmest month is February with an average high of 31°C, while the coldest month is January with lows dropping to 23°C. The annual temperature range of 8°C indicates a relatively stable climate year-round.
The driest month is February with only 9 rain days and 68mm of precipitation. For travellers, February through to the following month typically offers the best balance of warm temperatures and dry conditions. Average humidity ranges from 82% to 82% throughout the year.
Based on temperature and rainfall data, the best months to visit Colombo are January, February, July. These months offer the most comfortable temperatures with relatively low rainfall, ideal for sightseeing and outdoor activities.
Full Best Time to Visit GuideWarmest Month
31°C
February
Coldest Month
23°C
January
Driest Month
9 days
February
Annual Range
8°C
23° to 31°
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | 30°C | 23°C | 9 | 11h | View |
| February | 31°C | 23°C | 9 | 11h | View |
| March | 31°C | 24°C | 16 | 11h | View |
| April | 31°C | 25°C | 26 | 10h | View |
| May | 30°C | 25°C | 30 | 9h | View |
| June | 29°C | 25°C | 29 | 9h | View |
| July | 28°C | 25°C | 29 | 10h | View |
| August | 28°C | 25°C | 29 | 10h | View |
| September | 28°C | 24°C | 28 | 9h | View |
| October | 29°C | 24°C | 28 | 9h | View |
| November | 29°C | 23°C | 24 | 8h | View |
| December | 29°C | 23°C | 16 | 9h | View |
January
9 rain days, 11h sun
February
9 rain days, 11h sun
March
16 rain days, 11h sun
April
26 rain days, 10h sun
May
30 rain days, 9h sun
June
29 rain days, 9h sun
July
29 rain days, 10h sun
August
29 rain days, 10h sun
September
28 rain days, 9h sun
October
28 rain days, 9h sun
November
24 rain days, 8h sun
December
16 rain days, 9h sun
Colombo in February
Data Sources for Colombo
Climate normals represent 30-year averages (1991-2020). Individual years may vary.