Average annual temperature is 27.9 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: 20.0 °C
Number of sunny days: 94 days
Number of rainy days: 271 days
Look at detailed online map of Erlalai West
* Weather data for Erlalai 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) | 28.3 | 30.8 | 33.7 | 35.0 | 33.6 | 34.5 | 35.2 | 35.5 | 32.5 | 33.0 | 30.6 | 30.0 |
| Average daytime temperature (°C) | 27.5 | 28.4 | 31.2 | 33.2 | 31.5 | 32.3 | 31.7 | 32.7 | 30.8 | 30.8 | 29.2 | 28.5 |
| Average temperature (°C) | 25.2 | 25.4 | 27.9 | 29.4 | 29.3 | 29.7 | 29.1 | 29.3 | 28.7 | 27.8 | 26.1 | 26.2 |
| Average night temperature (°C) | 23.0 | 22.5 | 25.2 | 26.1 | 27.7 | 28.0 | 27.4 | 27.0 | 27.0 | 25.2 | 23.7 | 24.4 |
| Absolute minimum temperature (°C) | 21.1 | 20.0 | 23.9 | 24.6 | 24.9 | 25.2 | 26.6 | 26.2 | 24.9 | 23.4 | 22.9 | 23.4 |
| 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) | 11.6 | 11.8 | 12.1 | 12.3 | 12.6 | 12.7 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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) | 9.7 | 10.1 | 11.1 | 11.0 | 9.4 | 10.1 | 9.4 | 11.3 | 10.5 | 10.5 | 7.8 | 8.2 |
| Precipitation (mm) | 34 | 115 | 30 | 44 | 70 | 54 | 72 | 38 | 195 | 233 | 601 | 265 |
| Sunny days | 15 | 15 | 8 | 8 | 9 | 14 | 6 | 16 | 1 | 1 | 0 | 1 |
| Rainy days | 16 | 13 | 23 | 22 | 22 | 16 | 25 | 15 | 29 | 30 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Erlalai West is at