Average annual temperature is 26.2 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: 17.7 °C
Number of sunny days: 27 days
Number of rainy days: 338 days
Look at detailed online map of Nalagama West
* Weather data for Nalagama 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) | 31.7 | 32.6 | 32.0 | 33.3 | 33.5 | 32.2 | 32.0 | 33.4 | 30.8 | 30.4 | 31.0 | 31.9 |
| Average daytime temperature (°C) | 30.3 | 30.8 | 30.6 | 31.1 | 30.8 | 31.1 | 30.3 | 32.0 | 29.2 | 28.9 | 29.5 | 29.7 |
| Average temperature (°C) | 25.0 | 25.5 | 26.1 | 26.7 | 27.3 | 27.3 | 26.8 | 27.7 | 25.6 | 25.1 | 25.2 | 25.7 |
| Average night temperature (°C) | 21.1 | 22.1 | 23.0 | 23.2 | 24.6 | 24.5 | 24.2 | 24.4 | 23.2 | 22.6 | 22.5 | 23.1 |
| Absolute minimum temperature (°C) | 17.7 | 21.2 | 21.5 | 22.0 | 23.2 | 22.4 | 22.1 | 22.9 | 22.5 | 21.5 | 21.8 | 21.7 |
| 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) | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 | 12.4 | 12.3 | 12.2 | 12.0 | 11.8 | 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 | 10.0 | 10.3 | 10.3 | 9.6 | 10.9 | 9.9 | 10.9 | 8.6 | 7.5 | 8.4 | 8.1 |
| Precipitation (mm) | 150 | 191 | 221 | 179 | 157 | 69 | 128 | 70 | 347 | 588 | 576 | 473 |
| Sunny days | 6 | 7 | 1 | 0 | 3 | 1 | 3 | 3 | 0 | 0 | 0 | 3 |
| Rainy days | 25 | 21 | 30 | 30 | 28 | 29 | 28 | 28 | 30 | 31 | 30 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nalagama West is at