Average annual temperature is 27.1 °C
Absolute maximum temperature: 39.1 °C
Absolute minimum temperature: 17.1 °C
Number of sunny days: 112 days
Number of rainy days: 253 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) | 33.3 | 35.3 | 38.5 | 39.1 | 37.5 | 38.7 | 35.0 | 38.2 | 34.4 | 36.0 | 34.1 | 31.3 |
| Average daytime temperature (°C) | 30.7 | 33.6 | 35.3 | 36.0 | 34.7 | 35.7 | 31.9 | 36.5 | 32.4 | 32.8 | 30.1 | 29.4 |
| Average temperature (°C) | 24.4 | 26.3 | 28.2 | 29.3 | 28.5 | 28.6 | 26.5 | 28.9 | 26.7 | 27.0 | 25.3 | 25.0 |
| Average night temperature (°C) | 19.1 | 19.8 | 21.7 | 23.6 | 24.2 | 24.1 | 22.9 | 23.8 | 23.2 | 22.7 | 21.5 | 21.1 |
| Absolute minimum temperature (°C) | 17.1 | 18.9 | 18.2 | 21.7 | 22.4 | 22.9 | 21.7 | 23.0 | 22.6 | 21.5 | 19.3 | 18.1 |
| 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) | 11.5 | 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 | 10.6 | 11.1 | 11.1 | 10.0 | 9.9 | 8.5 | 10.9 | 9.9 | 10.3 | 9.5 | 9.1 |
| Precipitation (mm) | 3 | 12 | 46 | 76 | 128 | 51 | 156 | 71 | 151 | 195 | 267 | 75 |
| Sunny days | 20 | 25 | 17 | 16 | 3 | 1 | 2 | 3 | 0 | 6 | 8 | 11 |
| Rainy days | 11 | 3 | 14 | 14 | 28 | 29 | 29 | 28 | 30 | 25 | 22 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Vellamadai is at