Average annual temperature is 25.8 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: 17.8 °C
Number of sunny days: 18 days
Number of rainy days: 347 days
Look at detailed online map of Niralgama
* Weather data for Niralgama 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) | 30.4 | 31.5 | 33.2 | 34.1 | 31.7 | 30.4 | 30.3 | 31.2 | 30.7 | 31.1 | 31.0 | 31.3 |
| Average daytime temperature (°C) | 29.2 | 29.9 | 31.2 | 32.3 | 30.1 | 29.3 | 29.1 | 30.1 | 28.8 | 29.2 | 29.6 | 29.3 |
| Average temperature (°C) | 24.6 | 25.3 | 26.2 | 26.9 | 26.5 | 26.2 | 26.0 | 26.5 | 25.4 | 25.5 | 25.5 | 25.5 |
| Average night temperature (°C) | 20.7 | 21.5 | 22.5 | 23.1 | 24.1 | 24.0 | 23.6 | 23.8 | 23.4 | 23.1 | 22.7 | 22.8 |
| Absolute minimum temperature (°C) | 17.8 | 19.8 | 21.1 | 21.7 | 23.0 | 22.9 | 22.8 | 23.0 | 22.3 | 21.9 | 22.0 | 22.0 |
| 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 | 12.5 | 12.3 | 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) | 9.4 | 9.3 | 9.9 | 9.7 | 6.9 | 7.0 | 8.1 | 10.4 | 5.6 | 5.8 | 6.6 | 7.0 |
| Precipitation (mm) | 92 | 158 | 111 | 156 | 307 | 340 | 380 | 198 | 765 | 695 | 666 | 453 |
| Sunny days | 8 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Rainy days | 23 | 23 | 28 | 29 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Niralgama during the most sunny months:
The largest precipitation sum in Niralgama is at