Average annual temperature is 27.9 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: 18.2 °C
Number of sunny days: 119 days
Number of rainy days: 246 days
Look at detailed online map of Pettai
* Weather data for Pettai 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) | 30.0 | 32.8 | 33.8 | 38.7 | 39.9 | 40.8 | 37.8 | 39.1 | 35.1 | 35.5 | 30.9 | 32.0 |
| Average daytime temperature (°C) | 28.7 | 30.6 | 32.3 | 34.7 | 36.1 | 35.9 | 34.6 | 36.3 | 33.7 | 32.6 | 28.9 | 28.8 |
| Average temperature (°C) | 24.0 | 24.7 | 27.1 | 29.0 | 30.5 | 30.7 | 29.8 | 30.5 | 29.0 | 28.0 | 25.6 | 25.4 |
| Average night temperature (°C) | 20.0 | 19.9 | 22.7 | 24.5 | 26.3 | 26.9 | 26.3 | 26.3 | 25.5 | 24.2 | 23.1 | 22.4 |
| Absolute minimum temperature (°C) | 18.2 | 18.2 | 20.0 | 21.0 | 23.6 | 24.0 | 24.5 | 24.7 | 24.6 | 22.8 | 20.5 | 19.7 |
| 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 | 11.7 | 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) | 9.7 | 9.7 | 10.8 | 10.9 | 10.0 | 9.3 | 7.4 | 10.5 | 10.0 | 10.1 | 6.9 | 8.3 |
| Precipitation (mm) | 9 | 14 | 55 | 32 | 102 | 164 | 82 | 122 | 111 | 196 | 409 | 115 |
| Sunny days | 18 | 23 | 16 | 16 | 13 | 11 | 7 | 6 | 2 | 1 | 1 | 5 |
| Rainy days | 13 | 5 | 15 | 14 | 18 | 19 | 24 | 25 | 28 | 30 | 29 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Pettai is at