Average annual temperature is 28.3 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: 16.2 °C
Number of sunny days: 107 days
Number of rainy days: 258 days
Look at detailed online map of Chellappampettai
* Weather data for Chellappampettai 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) | 31.1 | 33.3 | 36.8 | 40.1 | 40.2 | 40.5 | 39.5 | 40.4 | 37.2 | 36.2 | 32.0 | 33.2 |
| Average daytime temperature (°C) | 29.3 | 30.9 | 34.0 | 37.0 | 36.7 | 37.9 | 36.3 | 37.7 | 34.9 | 33.7 | 29.8 | 29.3 |
| Average temperature (°C) | 23.9 | 24.4 | 27.8 | 30.1 | 30.6 | 31.5 | 30.7 | 31.1 | 29.1 | 28.2 | 25.7 | 25.7 |
| Average night temperature (°C) | 19.3 | 19.0 | 22.7 | 24.5 | 26.1 | 27.3 | 26.6 | 26.4 | 25.7 | 24.2 | 23.1 | 22.7 |
| Absolute minimum temperature (°C) | 16.2 | 16.6 | 19.5 | 21.4 | 24.0 | 25.5 | 24.6 | 24.8 | 24.1 | 22.3 | 21.1 | 20.3 |
| 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) | 10.1 | 9.7 | 10.9 | 11.0 | 9.7 | 9.8 | 8.0 | 10.9 | 9.3 | 10.5 | 7.6 | 7.6 |
| Precipitation (mm) | 5 | 52 | 45 | 48 | 86 | 78 | 45 | 112 | 175 | 161 | 346 | 100 |
| Sunny days | 20 | 21 | 13 | 12 | 9 | 10 | 6 | 6 | 1 | 4 | 1 | 4 |
| Rainy days | 11 | 7 | 18 | 18 | 22 | 20 | 25 | 25 | 29 | 27 | 29 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Chellappampettai is at