Average annual temperature is 22.8 °C
Absolute maximum temperature: 35.7 °C
Absolute minimum temperature: 9.9 °C
Number of sunny days: 119 days
Number of rainy days: 246 days
Look at detailed online map of Chettallur
* Weather data for Chettallur 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) | 30.5 | 33.1 | 35.2 | 35.7 | 32.3 | 31.7 | 27.7 | 30.4 | 30.6 | 31.3 | 30.9 | 31.3 |
| Average daytime temperature (°C) | 28.9 | 31.5 | 32.4 | 32.1 | 29.9 | 27.7 | 25.0 | 28.1 | 26.7 | 29.3 | 28.8 | 29.5 |
| Average temperature (°C) | 20.3 | 22.2 | 23.8 | 24.3 | 23.9 | 23.2 | 22.0 | 23.1 | 22.4 | 23.1 | 22.6 | 22.6 |
| Average night temperature (°C) | 13.1 | 14.4 | 16.7 | 19.1 | 20.4 | 20.4 | 20.0 | 19.5 | 19.8 | 19.3 | 18.1 | 17.2 |
| Absolute minimum temperature (°C) | 9.9 | 12.8 | 13.3 | 17.3 | 18.2 | 18.8 | 19.1 | 17.8 | 18.6 | 17.0 | 15.1 | 13.0 |
| 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 | 12.7 | 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) | 10.4 | 10.8 | 11.1 | 10.9 | 9.0 | 8.3 | 5.4 | 10.5 | 7.9 | 9.0 | 8.9 | 9.0 |
| Precipitation (mm) | 3 | 1 | 11 | 70 | 164 | 133 | 418 | 79 | 140 | 81 | 66 | 13 |
| Sunny days | 26 | 26 | 20 | 13 | 1 | 0 | 0 | 3 | 0 | 11 | 5 | 14 |
| Rainy days | 5 | 2 | 11 | 17 | 30 | 30 | 31 | 28 | 30 | 20 | 25 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Chettallur is at