Colombo, Western Province, Sri Lanka climate
Average temperatures, precipitation and all-time records for Colombo, Western Province, Sri Lanka, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is March, averaging a high of 30°C, and its coldest is January, with an average low of 24°C.
Colombo is Sri Lanka's executive and judicial capital, as well as the country's most populous city. It is also the financial centre of the island and a tourist destination. The Colombo metropolitan area is estimated to have a population of 5.6 million, and 752,993 within the municipal limits. via Wikipedia
How today compares
Latest recorded day: 2026-07-24. Each reading placed on Colombo, Western Province, Sri Lanka's own ±7-day seasonal distribution.
Colombo average temperatures by month
Typical daily high and low, and average precipitation, for each month in Colombo, Western Province, Sri Lanka, based on 1980–2026 records. The wettest month is May (10 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 30°C | 24°C | 3 mm |
| February | 30°C | 25°C | 3 mm |
| March | 30°C | 26°C | 3 mm |
| April | 30°C | 26°C | 5 mm |
| May | 30°C | 27°C | 10 mm |
| June | 29°C | 26°C | 8 mm |
| July | 28°C | 26°C | 8 mm |
| August | 28°C | 26°C | 5 mm |
| September | 28°C | 26°C | 8 mm |
| October | 29°C | 25°C | 10 mm |
| November | 29°C | 25°C | 10 mm |
| December | 29°C | 25°C | 5 mm |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.
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Record extremes
- Hottest day on record: 34°C on 2024-02-27
- Coldest day on record: 21°C on 1983-01-04
Percentiles compare each day to Colombo, Western Province, Sri Lanka's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →