Average annual temperature is 27.0 °C
Absolute maximum temperature: 38.8 °C
Absolute minimum temperature: 18.7 °C
Number of sunny days: 92 days
Number of rainy days: 273 days
Look at detailed online map of Velikkulam
* Weather data for Velikkulam 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) | 28.8 | 30.8 | 35.4 | 36.8 | 35.6 | 36.8 | 38.6 | 38.8 | 35.6 | 34.2 | 31.7 | 31.1 |
| Average daytime temperature (°C) | 27.7 | 29.0 | 31.8 | 34.3 | 32.7 | 34.4 | 34.8 | 36.3 | 33.4 | 31.8 | 29.5 | 28.6 |
| Average temperature (°C) | 23.9 | 24.7 | 26.6 | 27.9 | 28.0 | 29.2 | 29.2 | 29.4 | 28.0 | 26.4 | 25.3 | 25.3 |
| Average night temperature (°C) | 21.1 | 21.4 | 23.1 | 23.9 | 25.0 | 25.9 | 25.7 | 25.2 | 24.7 | 23.5 | 22.9 | 23.1 |
| Absolute minimum temperature (°C) | 18.7 | 19.3 | 22.3 | 22.2 | 23.3 | 24.9 | 24.8 | 23.9 | 24.0 | 22.6 | 22.2 | 22.5 |
| 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 | 10.1 | 10.9 | 10.4 | 8.9 | 10.6 | 9.8 | 10.8 | 9.9 | 8.8 | 7.2 | 7.6 |
| Precipitation (mm) | 89 | 94 | 76 | 144 | 127 | 18 | 23 | 64 | 98 | 351 | 465 | 288 |
| Sunny days | 17 | 14 | 7 | 7 | 8 | 9 | 11 | 15 | 1 | 0 | 2 | 1 |
| Rainy days | 14 | 14 | 24 | 23 | 23 | 21 | 20 | 16 | 29 | 31 | 28 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Velikkulam is at