Average annual temperature is 27.5 °C
Absolute maximum temperature: 40.0 °C
Absolute minimum temperature: 15.5 °C
Number of sunny days: 149 days
Number of rainy days: 216 days
Look at detailed online map of Ponnammāpettai
* Weather data for Ponnammāpettai 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) | 32.4 | 36.2 | 37.9 | 40.0 | 37.2 | 38.3 | 36.6 | 37.8 | 34.3 | 34.8 | 33.8 | 34.3 |
| Average daytime temperature (°C) | 30.9 | 34.0 | 35.2 | 36.9 | 34.8 | 35.3 | 33.1 | 36.1 | 32.5 | 32.4 | 31.1 | 31.6 |
| Average temperature (°C) | 24.0 | 26.0 | 28.0 | 30.1 | 29.1 | 29.2 | 27.5 | 29.7 | 27.1 | 27.2 | 25.7 | 26.1 |
| Average night temperature (°C) | 17.7 | 18.9 | 21.5 | 24.0 | 24.6 | 24.6 | 23.4 | 24.4 | 23.3 | 22.8 | 21.5 | 21.1 |
| Absolute minimum temperature (°C) | 15.5 | 17.3 | 16.0 | 21.9 | 23.2 | 23.1 | 21.9 | 22.8 | 22.7 | 21.2 | 17.8 | 17.3 |
| 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 | 11.5 |
| 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 | 10.4 | 11.2 | 11.3 | 10.1 | 9.5 | 8.1 | 10.9 | 9.7 | 10.3 | 9.3 | 8.7 |
| Precipitation (mm) | 4 | 23 | 51 | 33 | 110 | 68 | 116 | 68 | 160 | 100 | 165 | 19 |
| Sunny days | 28 | 26 | 18 | 19 | 10 | 5 | 3 | 11 | 0 | 8 | 5 | 16 |
| Rainy days | 3 | 2 | 13 | 11 | 21 | 25 | 28 | 20 | 30 | 23 | 25 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ponnammāpettai is at