Average annual temperature is 27.6 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: 17.8 °C
Number of sunny days: 103 days
Number of rainy days: 262 days
Look at detailed online map of Siraddikulam
* Weather data for Siraddikulam 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) | 30.0 | 32.5 | 36.2 | 38.5 | 36.9 | 37.8 | 37.8 | 38.6 | 35.6 | 35.3 | 31.4 | 30.7 |
| Average daytime temperature (°C) | 28.3 | 29.9 | 33.3 | 35.8 | 33.0 | 34.6 | 34.9 | 36.4 | 33.7 | 32.0 | 29.8 | 28.9 |
| Average temperature (°C) | 24.1 | 24.9 | 27.4 | 28.9 | 28.7 | 30.0 | 29.9 | 30.1 | 29.0 | 27.0 | 25.6 | 25.7 |
| Average night temperature (°C) | 20.6 | 20.7 | 23.1 | 24.2 | 25.6 | 26.9 | 26.5 | 26.0 | 25.8 | 23.8 | 23.1 | 23.5 |
| Absolute minimum temperature (°C) | 17.8 | 18.1 | 21.7 | 22.4 | 23.3 | 25.8 | 25.7 | 25.1 | 24.6 | 22.7 | 22.6 | 23.0 |
| 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) | 11.7 | 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 | 9.2 | 10.5 | 9.7 | 11.1 | 10.3 | 9.5 | 7.1 | 8.0 |
| Precipitation (mm) | 74 | 85 | 41 | 128 | 98 | 38 | 22 | 37 | 69 | 218 | 456 | 273 |
| Sunny days | 16 | 15 | 9 | 7 | 9 | 11 | 14 | 17 | 3 | 1 | 0 | 1 |
| Rainy days | 15 | 13 | 22 | 23 | 22 | 19 | 17 | 14 | 27 | 30 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siraddikulam is at