Average annual temperature is 26.5 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: 19.0 °C
Number of sunny days: 41 days
Number of rainy days: 324 days
Look at detailed online map of Nelungama
* Weather data for Nelungama 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) | 30.8 | 32.7 | 34.8 | 36.3 | 33.0 | 32.0 | 32.1 | 34.0 | 31.4 | 33.2 | 32.1 | 31.2 |
| Average daytime temperature (°C) | 29.3 | 30.6 | 32.7 | 33.2 | 31.1 | 30.6 | 30.2 | 32.3 | 29.6 | 30.1 | 30.5 | 30.0 |
| Average temperature (°C) | 24.7 | 25.6 | 27.1 | 27.5 | 27.3 | 27.3 | 27.1 | 27.8 | 26.0 | 25.7 | 25.6 | 25.9 |
| Average night temperature (°C) | 21.1 | 21.7 | 23.4 | 23.9 | 24.6 | 24.6 | 24.7 | 24.7 | 23.5 | 23.2 | 23.1 | 23.3 |
| Absolute minimum temperature (°C) | 19.0 | 19.6 | 22.3 | 22.9 | 22.8 | 22.7 | 23.3 | 23.2 | 22.3 | 22.3 | 22.6 | 22.7 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 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 | 9.8 | 10.7 | 10.1 | 9.2 | 10.2 | 9.7 | 11.1 | 8.4 | 7.9 | 7.3 | 7.7 |
| Precipitation (mm) | 65 | 68 | 98 | 136 | 177 | 81 | 75 | 30 | 243 | 324 | 520 | 263 |
| Sunny days | 15 | 15 | 3 | 1 | 0 | 0 | 2 | 3 | 0 | 0 | 1 | 1 |
| Rainy days | 16 | 13 | 28 | 29 | 31 | 30 | 29 | 28 | 30 | 31 | 29 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nelungama is at