Average annual temperature is 27.5 °C
Absolute maximum temperature: 37.4 °C
Absolute minimum temperature: 21.2 °C
Number of sunny days: 56 days
Number of rainy days: 309 days
Look at detailed online map of Block 'J' West 02
* Weather data for Block 'J' West 02 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) | 28.5 | 29.0 | 30.7 | 32.5 | 33.8 | 35.1 | 37.4 | 36.6 | 36.7 | 32.6 | 31.2 | 30.7 |
| Average daytime temperature (°C) | 27.4 | 27.7 | 29.1 | 30.7 | 31.8 | 33.4 | 34.7 | 34.5 | 33.9 | 30.4 | 29.0 | 28.6 |
| Average temperature (°C) | 25.3 | 25.7 | 26.7 | 28.0 | 28.3 | 29.4 | 29.5 | 29.7 | 28.5 | 26.5 | 26.0 | 26.1 |
| Average night temperature (°C) | 23.1 | 23.5 | 24.2 | 25.3 | 25.5 | 26.1 | 25.3 | 25.7 | 25.2 | 23.9 | 23.7 | 24.1 |
| Absolute minimum temperature (°C) | 21.2 | 21.8 | 23.1 | 24.0 | 24.5 | 24.9 | 24.4 | 24.3 | 23.8 | 23.1 | 23.0 | 22.9 |
| 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) | 9.1 | 9.4 | 10.1 | 10.6 | 9.5 | 10.8 | 9.7 | 11.1 | 10.0 | 9.7 | 8.4 | 8.0 |
| Precipitation (mm) | 189 | 183 | 148 | 68 | 82 | 46 | 54 | 35 | 185 | 316 | 424 | 411 |
| Sunny days | 4 | 7 | 6 | 7 | 9 | 7 | 6 | 7 | 0 | 2 | 0 | 1 |
| Rainy days | 27 | 21 | 25 | 23 | 22 | 23 | 25 | 24 | 30 | 29 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Block 'J' West 02 is at