Average annual temperature is 24.9 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: 16.2 °C
Number of sunny days: 43 days
Number of rainy days: 322 days
Look at detailed online map of Dulwala
* Weather data for Dulwala Sri Lanka is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 29.8 | 31.0 | 33.7 | 34.5 | 31.8 | 29.9 | 29.5 | 32.5 | 29.7 | 30.3 | 30.2 | 30.2 |
| Average daytime temperature (°C) | 28.4 | 29.4 | 31.2 | 32.0 | 29.6 | 28.8 | 28.1 | 30.4 | 28.2 | 28.3 | 28.8 | 28.8 |
| Average temperature (°C) | 23.4 | 24.4 | 25.7 | 26.0 | 25.7 | 25.6 | 25.1 | 25.9 | 24.5 | 24.2 | 24.2 | 24.6 |
| Average night temperature (°C) | 19.3 | 20.1 | 21.3 | 21.7 | 22.8 | 23.2 | 22.6 | 22.4 | 22.0 | 21.3 | 21.5 | 21.6 |
| Absolute minimum temperature (°C) | 16.2 | 17.6 | 20.2 | 20.2 | 21.6 | 21.7 | 21.4 | 21.0 | 20.2 | 19.8 | 20.5 | 20.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.5 | 12.5 | 12.4 | 12.2 | 12.0 | 11.8 | 11.7 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.5 | 9.7 | 10.2 | 9.9 | 9.2 | 10.1 | 9.4 | 10.8 | 8.3 | 7.6 | 7.3 | 8.1 |
| Precipitation (mm) | 67 | 98 | 74 | 185 | 180 | 118 | 170 | 76 | 244 | 545 | 696 | 335 |
| Sunny days | 14 | 12 | 6 | 3 | 1 | 0 | 0 | 2 | 0 | 1 | 0 | 4 |
| Rainy days | 17 | 16 | 25 | 27 | 30 | 30 | 31 | 29 | 30 | 30 | 30 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Dulwala is at