Average annual temperature is 28.2 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: 18.6 °C
Number of sunny days: 90 days
Number of rainy days: 275 days
Look at detailed online map of Chettikottai
* Weather data for Chettikottai 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) | 32.2 | 33.9 | 36.4 | 38.5 | 38.9 | 40.5 | 39.2 | 39.4 | 36.5 | 35.3 | 31.2 | 32.1 |
| Average daytime temperature (°C) | 30.1 | 30.8 | 33.7 | 35.5 | 35.2 | 36.9 | 35.8 | 36.7 | 34.5 | 32.7 | 29.6 | 29.2 |
| Average temperature (°C) | 24.9 | 25.2 | 28.3 | 29.9 | 29.7 | 30.7 | 30.2 | 30.3 | 29.0 | 27.9 | 25.9 | 25.8 |
| Average night temperature (°C) | 20.6 | 20.6 | 23.9 | 25.5 | 26.0 | 26.9 | 26.6 | 26.4 | 25.6 | 24.5 | 23.3 | 23.2 |
| Absolute minimum temperature (°C) | 18.9 | 18.6 | 21.0 | 24.0 | 23.9 | 24.9 | 24.7 | 24.7 | 24.4 | 23.0 | 21.8 | 21.6 |
| 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 | 12.3 | 12.6 | 12.7 | 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) | 10.0 | 10.1 | 11.1 | 11.2 | 9.5 | 9.9 | 8.8 | 11.2 | 10.2 | 10.4 | 7.9 | 8.1 |
| Precipitation (mm) | 8 | 44 | 21 | 48 | 140 | 124 | 40 | 124 | 141 | 240 | 432 | 138 |
| Sunny days | 22 | 19 | 10 | 11 | 9 | 6 | 5 | 1 | 1 | 1 | 1 | 4 |
| Rainy days | 9 | 9 | 21 | 19 | 22 | 24 | 26 | 30 | 29 | 30 | 29 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Chettikottai is at