Average annual temperature is 28.2 °C
Absolute maximum temperature: 39.1 °C
Absolute minimum temperature: 17.7 °C
Number of sunny days: 78 days
Number of rainy days: 287 days
Look at detailed online map of Pettārdevankottai
* Weather data for Pettārdevankottai 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) | 31.3 | 32.0 | 34.2 | 37.6 | 38.1 | 39.0 | 39.1 | 38.1 | 37.6 | 35.0 | 31.6 | 31.6 |
| Average daytime temperature (°C) | 29.2 | 29.8 | 32.1 | 34.3 | 34.4 | 36.9 | 36.1 | 35.6 | 35.3 | 32.5 | 29.8 | 29.3 |
| Average temperature (°C) | 24.8 | 25.1 | 27.7 | 29.5 | 29.7 | 31.0 | 30.5 | 30.0 | 29.7 | 28.0 | 26.0 | 26.0 |
| Average night temperature (°C) | 20.7 | 20.7 | 23.6 | 25.2 | 26.0 | 26.8 | 26.4 | 25.9 | 25.9 | 24.4 | 23.2 | 23.3 |
| Absolute minimum temperature (°C) | 18.3 | 17.7 | 20.8 | 23.9 | 23.7 | 24.8 | 24.7 | 24.0 | 24.3 | 22.4 | 21.8 | 21.6 |
| 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 | 12.3 | 12.6 | 12.7 | 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) | 10.1 | 10.1 | 11.2 | 11.3 | 9.5 | 10.1 | 9.3 | 11.3 | 10.7 | 10.4 | 8.2 | 8.1 |
| Precipitation (mm) | 12 | 45 | 37 | 64 | 117 | 48 | 58 | 81 | 115 | 233 | 465 | 186 |
| Sunny days | 20 | 20 | 7 | 9 | 8 | 5 | 3 | 3 | 0 | 2 | 0 | 1 |
| Rainy days | 11 | 8 | 24 | 21 | 23 | 25 | 28 | 28 | 30 | 29 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Pettārdevankottai is at