Average annual temperature is 28.0 °C
Absolute maximum temperature: 40.2 °C
Absolute minimum temperature: 16.7 °C
Number of sunny days: 104 days
Number of rainy days: 261 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) | 31.6 | 34.0 | 37.4 | 39.6 | 39.8 | 40.2 | 39.8 | 40.1 | 36.4 | 35.7 | 31.8 | 32.9 |
| Average daytime temperature (°C) | 29.7 | 31.0 | 34.4 | 36.6 | 36.6 | 37.4 | 36.3 | 37.5 | 34.2 | 32.9 | 29.9 | 29.4 |
| Average temperature (°C) | 24.3 | 24.7 | 28.0 | 29.7 | 30.2 | 30.8 | 30.2 | 30.5 | 28.6 | 27.7 | 25.5 | 25.7 |
| Average night temperature (°C) | 19.7 | 19.4 | 22.8 | 24.4 | 25.6 | 26.3 | 26.0 | 25.6 | 25.0 | 23.8 | 22.7 | 22.7 |
| Absolute minimum temperature (°C) | 17.7 | 16.7 | 19.9 | 22.5 | 23.5 | 25.0 | 24.0 | 24.1 | 23.8 | 22.6 | 21.3 | 20.7 |
| 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) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 12.7 | 12.5 | 12.2 | 11.9 | 11.7 | 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 | 9.8 | 10.8 | 11.0 | 9.4 | 9.6 | 8.4 | 11.0 | 9.3 | 9.8 | 6.9 | 7.7 |
| Precipitation (mm) | 7 | 56 | 33 | 48 | 104 | 77 | 70 | 139 | 192 | 227 | 356 | 93 |
| Sunny days | 22 | 23 | 13 | 11 | 8 | 4 | 4 | 8 | 1 | 3 | 1 | 6 |
| Rainy days | 9 | 5 | 18 | 19 | 23 | 26 | 27 | 23 | 29 | 28 | 29 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Chettiyūr is at