Average annual temperature is 27.5 °C
Absolute maximum temperature: 41.1 °C
Absolute minimum temperature: 14.8 °C
Number of sunny days: 135 days
Number of rainy days: 230 days
Look at detailed online map of Ponnai
* Weather data for Ponnai 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) | 29.7 | 34.3 | 35.9 | 40.3 | 41.1 | 41.0 | 36.0 | 37.3 | 35.4 | 34.3 | 31.7 | 31.3 |
| Average daytime temperature (°C) | 28.4 | 32.2 | 33.8 | 37.0 | 37.4 | 37.2 | 33.4 | 36.0 | 33.3 | 32.5 | 29.2 | 28.2 |
| Average temperature (°C) | 22.7 | 25.0 | 26.9 | 30.0 | 30.9 | 31.1 | 28.8 | 30.1 | 28.1 | 27.3 | 24.8 | 23.8 |
| Average night temperature (°C) | 17.6 | 18.0 | 21.2 | 23.9 | 25.9 | 26.9 | 25.5 | 25.5 | 24.7 | 23.0 | 22.0 | 20.3 |
| Absolute minimum temperature (°C) | 14.8 | 16.5 | 17.1 | 21.1 | 23.0 | 24.3 | 23.6 | 23.3 | 23.3 | 21.0 | 21.0 | 17.6 |
| 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) | 11.4 | 11.7 | 12.1 | 12.4 | 12.7 | 12.9 | 12.8 | 12.5 | 12.2 | 11.8 | 11.5 | 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) | 10.0 | 10.7 | 10.9 | 11.1 | 10.1 | 9.2 | 7.0 | 10.2 | 9.1 | 10.4 | 8.3 | 8.4 |
| Precipitation (mm) | 7 | 0 | 46 | 21 | 119 | 108 | 112 | 54 | 222 | 88 | 280 | 111 |
| Sunny days | 20 | 27 | 18 | 17 | 13 | 9 | 3 | 6 | 3 | 8 | 3 | 8 |
| Rainy days | 11 | 1 | 13 | 13 | 18 | 21 | 28 | 25 | 27 | 23 | 27 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ponnai is at