Average annual temperature is 27.2 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: 17.1 °C
Number of sunny days: 135 days
Number of rainy days: 230 days
Look at detailed online map of Chettiyūr
* Weather data for Chettiyūr 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) | 31.5 | 35.0 | 35.9 | 38.9 | 37.2 | 37.7 | 35.7 | 37.7 | 35.2 | 36.4 | 33.2 | 32.5 |
| Average daytime temperature (°C) | 29.7 | 32.7 | 34.0 | 35.6 | 34.1 | 34.6 | 32.7 | 35.9 | 32.6 | 32.7 | 30.4 | 30.4 |
| Average temperature (°C) | 23.8 | 25.8 | 27.5 | 29.4 | 28.7 | 28.9 | 27.5 | 29.2 | 27.1 | 27.3 | 25.5 | 25.4 |
| Average night temperature (°C) | 19.0 | 19.6 | 21.9 | 23.9 | 24.5 | 24.4 | 23.2 | 23.9 | 23.2 | 22.8 | 22.0 | 21.3 |
| Absolute minimum temperature (°C) | 17.1 | 18.2 | 18.8 | 22.5 | 23.4 | 23.1 | 22.3 | 22.0 | 22.1 | 21.8 | 18.8 | 18.7 |
| 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 | 11.4 |
| 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) | 9.8 | 10.5 | 11.2 | 11.3 | 10.1 | 9.6 | 7.9 | 10.8 | 9.1 | 10.4 | 9.2 | 8.7 |
| Precipitation (mm) | 3 | 4 | 26 | 30 | 122 | 63 | 159 | 63 | 162 | 117 | 206 | 23 |
| Sunny days | 25 | 25 | 17 | 17 | 6 | 8 | 5 | 5 | 1 | 6 | 6 | 14 |
| Rainy days | 6 | 3 | 14 | 13 | 25 | 22 | 26 | 26 | 29 | 25 | 24 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Chettiyūr is at