Average annual temperature is 28.1 °C
Absolute maximum temperature: 40.9 °C
Absolute minimum temperature: 19.7 °C
Number of sunny days: 95 days
Number of rainy days: 270 days
Look at detailed online map of Pettaikulam
* Weather data for Pettaikulam 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) | 33.5 | 34.7 | 36.4 | 37.8 | 39.6 | 40.2 | 40.2 | 40.9 | 37.0 | 35.5 | 32.5 | 32.3 |
| Average daytime temperature (°C) | 30.9 | 31.5 | 33.4 | 34.4 | 34.8 | 37.2 | 35.7 | 37.7 | 33.5 | 31.6 | 30.0 | 29.4 |
| Average temperature (°C) | 25.8 | 26.1 | 28.2 | 29.2 | 30.0 | 30.8 | 29.4 | 30.6 | 28.2 | 27.0 | 25.9 | 26.1 |
| Average night temperature (°C) | 22.1 | 21.7 | 23.9 | 24.7 | 26.2 | 26.3 | 25.1 | 25.1 | 24.7 | 23.9 | 23.3 | 23.5 |
| Absolute minimum temperature (°C) | 20.7 | 19.7 | 22.6 | 23.2 | 24.2 | 24.1 | 23.9 | 22.6 | 23.8 | 22.8 | 22.7 | 22.7 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 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) | 10.5 | 10.3 | 11.1 | 11.0 | 10.1 | 11.1 | 9.6 | 11.4 | 10.2 | 9.6 | 8.0 | 8.2 |
| Precipitation (mm) | 29 | 65 | 50 | 110 | 81 | 19 | 51 | 51 | 73 | 186 | 353 | 466 |
| Sunny days | 27 | 19 | 2 | 4 | 7 | 6 | 10 | 11 | 2 | 1 | 1 | 5 |
| Rainy days | 4 | 9 | 29 | 26 | 24 | 24 | 21 | 20 | 28 | 30 | 29 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Pettaikulam is at