Climate averages 1991–2020
Weather in Sri Lanka in August
In August, average daytime highs across the 12 cities listed in Sri Lanka range from 26.8°C in Kandy to 34.2°C in Batticaloa. Monthly rainfall ranges from 31 mm in Batticaloa to 207 mm in Galle.
Long-term climate patterns, not a forecast for a particular trip.
City by city
August in Sri Lanka
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Colombo | 28.4°C24.6°C | 24.6°C | 168 | 23.6 |
| Dehiwala-Mount Lavinia | 28.1°C24.7°C | 24.7°C | 183 | 24.4 |
| Jaffna | 30.3°C27.1°C | 27.1°C | 48 | 10.4 |
| Negombo | 28.4°C25.0°C | 25.0°C | 165 | 23.9 |
| Kandy | 26.8°C21.1°C | 21.1°C | 90 | 18.1 |
| Trincomalee | 33.3°C26.0°C | 26.0°C | 45 | 7.8 |
| Kalmunai | 32.8°C26.1°C | 26.1°C | 42 | 9.3 |
| Galle | 27.7°C24.8°C | 24.8°C | 207 | 27.3 |
| Point Pedro | 31.0°C26.9°C | 26.9°C | 32 | 6.9 |
| Batticaloa | 34.2°C26.1°C | 26.1°C | 31 | 7.3 |
| Ambalantota | 31.2°C25.3°C | 25.3°C | 52 | 13.0 |
| Matara | 28.2°C24.7°C | 24.7°C | 159 | 26.7 |
A rain day is a local calendar day with at least 1 mm of precipitation.