Colombo Weather in August
In August, Colombo averages a high of 30°C (87°F) and a low of 26°C (79°F), from 17 years of daily records (2010–2026).
30°C
Average high
87°F
26°C
Average low
79°F
33°C
Record high
91°F · August 12, 2024
20°C
Record low
68°F · August 16, 1979
What August Is Like in Colombo
- 9 of the 10 warmest Augusts on record in Colombo have come since 2012.
- Colombo's hottest August day on record is a recent one: 33°C (91°F) on August 12, 2024.
- August 2026 was the 3rd warmest August in 17 years of records, 0.7°C (1.2°F) above the long-run average.
- The coldest August reading, 20°C (68°F) on August 16, 1979, has not been matched in 47 years.
At least 1 mm of rain falls on 33% of August days, and the month averages 112 mm in total.
Warmest: 2023 (31.6°C)Latest: 2026 (30.3°C)10-year averageLong-run average (30.4°C)
Look Up a Day in August
See the weather in Colombo on any August date, year by year.
Source: NOAA GHCN-Daily, Colombo (1978–2026). Averages cover 2010–2026. How we compute this