Average annual temperature is 26.6 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: 15.5 °C
Number of sunny days: 124 days
Number of rainy days: 241 days
Look at detailed online map of Vellamadai
* Weather data for Vellamadai 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) | 33.2 | 35.2 | 37.9 | 39.3 | 37.7 | 37.1 | 35.3 | 37.4 | 34.4 | 36.5 | 33.7 | 31.0 |
| Average daytime temperature (°C) | 30.5 | 33.4 | 34.9 | 36.3 | 34.5 | 34.5 | 31.4 | 35.2 | 32.4 | 33.3 | 29.5 | 28.6 |
| Average temperature (°C) | 23.7 | 25.7 | 27.7 | 28.9 | 28.1 | 28.1 | 26.3 | 28.1 | 26.7 | 26.8 | 24.7 | 24.4 |
| Average night temperature (°C) | 18.1 | 18.8 | 21.4 | 22.8 | 23.7 | 23.7 | 22.9 | 23.3 | 23.1 | 22.0 | 20.8 | 20.5 |
| Absolute minimum temperature (°C) | 15.5 | 17.5 | 17.8 | 21.3 | 21.8 | 22.5 | 22.1 | 21.9 | 22.5 | 20.8 | 18.3 | 16.9 |
| 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) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.8 | 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) | 10.0 | 10.5 | 11.0 | 11.1 | 9.9 | 10.1 | 8.2 | 11.1 | 9.7 | 10.3 | 9.5 | 8.9 |
| Precipitation (mm) | 6 | 2 | 19 | 68 | 89 | 34 | 137 | 52 | 65 | 148 | 212 | 57 |
| Sunny days | 21 | 26 | 19 | 13 | 3 | 2 | 7 | 8 | 2 | 8 | 6 | 9 |
| Rainy days | 10 | 2 | 12 | 17 | 28 | 28 | 24 | 23 | 28 | 23 | 24 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Vellamadai is at