Average annual temperature is 28.2 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: 19.3 °C
Number of sunny days: 95 days
Number of rainy days: 270 days
Look at detailed online map of Velankanni
* Weather data for Velankanni India is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 29.2 | 29.9 | 33.0 | 36.3 | 37.6 | 38.4 | 38.3 | 38.4 | 35.4 | 35.2 | 30.3 | 31.8 |
| Average daytime temperature (°C) | 27.7 | 28.1 | 30.7 | 33.2 | 33.7 | 35.3 | 34.6 | 35.2 | 32.9 | 32.2 | 28.6 | 28.3 |
| Average temperature (°C) | 25.3 | 25.3 | 27.7 | 29.5 | 29.8 | 30.5 | 29.9 | 30.2 | 29.1 | 28.3 | 26.2 | 26.2 |
| Average night temperature (°C) | 22.9 | 22.4 | 24.9 | 26.4 | 26.8 | 27.4 | 26.7 | 26.7 | 26.3 | 24.9 | 23.9 | 24.5 |
| Absolute minimum temperature (°C) | 19.9 | 19.3 | 23.2 | 24.0 | 23.8 | 25.0 | 25.0 | 24.7 | 24.5 | 23.5 | 21.8 | 23.4 |
| 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) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| 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) | 9.7 | 10.1 | 11.0 | 11.2 | 9.6 | 9.8 | 8.3 | 11.2 | 9.9 | 10.7 | 7.7 | 8.3 |
| Precipitation (mm) | 20 | 89 | 43 | 50 | 95 | 89 | 56 | 107 | 96 | 239 | 747 | 193 |
| Sunny days | 15 | 20 | 11 | 13 | 17 | 10 | 5 | 2 | 0 | 0 | 0 | 2 |
| Rainy days | 16 | 8 | 20 | 17 | 14 | 20 | 26 | 29 | 30 | 31 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Velankanni is at