Average annual temperature is 27.5 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: 18.0 °C
Number of sunny days: 98 days
Number of rainy days: 267 days
Look at detailed online map of Thirunagar
* Weather data for Thirunagar 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 | 32.5 | 35.9 | 37.8 | 36.5 | 37.2 | 37.3 | 38.4 | 35.2 | 35.8 | 31.9 | 31.1 |
| Average daytime temperature (°C) | 28.2 | 29.8 | 33.0 | 35.3 | 32.8 | 34.0 | 34.7 | 36.2 | 33.5 | 32.2 | 29.9 | 29.0 |
| Average temperature (°C) | 24.2 | 24.8 | 27.2 | 28.6 | 28.7 | 29.8 | 29.8 | 30.1 | 28.9 | 27.0 | 25.6 | 25.7 |
| Average night temperature (°C) | 20.8 | 20.8 | 23.0 | 24.0 | 25.6 | 26.9 | 26.5 | 26.0 | 25.8 | 23.7 | 23.0 | 23.4 |
| Absolute minimum temperature (°C) | 18.0 | 18.2 | 21.6 | 22.3 | 23.3 | 25.7 | 25.6 | 25.2 | 24.6 | 22.1 | 22.5 | 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 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 | 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) | 9.2 | 10.3 | 11.0 | 10.6 | 9.1 | 10.5 | 9.6 | 11.1 | 10.3 | 9.5 | 7.0 | 7.9 |
| Precipitation (mm) | 73 | 92 | 42 | 128 | 99 | 42 | 24 | 29 | 71 | 235 | 479 | 248 |
| Sunny days | 15 | 14 | 9 | 7 | 9 | 11 | 12 | 18 | 1 | 1 | 0 | 1 |
| Rainy days | 16 | 14 | 22 | 23 | 22 | 19 | 19 | 13 | 29 | 30 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Thirunagar is at