Average annual temperature is 26.7 °C
Absolute maximum temperature: 30.3 °C
Absolute minimum temperature: 21.4 °C
Number of sunny days: 33 days
Number of rainy days: 332 days
Look at detailed online map of Devinuwara West
* Weather data for Devinuwara West 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) | 28.9 | 29.5 | 29.8 | 30.1 | 29.9 | 29.2 | 28.5 | 28.9 | 29.1 | 29.0 | 29.7 | 30.3 |
| Average daytime temperature (°C) | 27.4 | 28.2 | 28.5 | 28.9 | 28.7 | 28.4 | 27.8 | 28.3 | 28.0 | 27.6 | 27.8 | 28.3 |
| Average temperature (°C) | 25.3 | 25.9 | 26.6 | 27.4 | 27.6 | 27.3 | 26.9 | 27.3 | 26.7 | 26.2 | 26.2 | 26.5 |
| Average night temperature (°C) | 23.1 | 23.9 | 24.8 | 25.5 | 26.3 | 25.9 | 25.5 | 26.0 | 25.3 | 24.8 | 24.7 | 24.8 |
| Absolute minimum temperature (°C) | 21.4 | 23.1 | 23.8 | 24.3 | 23.8 | 24.3 | 23.8 | 24.5 | 24.4 | 23.8 | 24.1 | 24.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 | 12.4 | 12.3 | 12.2 | 12.0 | 11.9 | 11.8 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.8 | 10.1 | 10.3 | 10.3 | 9.6 | 10.7 | 9.8 | 10.9 | 8.0 | 7.3 | 8.7 | 8.2 |
| Precipitation (mm) | 72 | 92 | 114 | 88 | 136 | 99 | 162 | 96 | 468 | 384 | 366 | 292 |
| Sunny days | 9 | 8 | 4 | 4 | 0 | 0 | 2 | 2 | 0 | 1 | 0 | 3 |
| Rainy days | 22 | 20 | 27 | 26 | 31 | 30 | 29 | 29 | 30 | 30 | 30 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Devinuwara West is at