Average annual temperature is 28.1 °C
Absolute maximum temperature: 40.6 °C
Absolute minimum temperature: 16.8 °C
Number of sunny days: 102 days
Number of rainy days: 263 days
Look at detailed online map of Ammāpettai
* Weather data for Ammāpettai 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 | 32.6 | 36.1 | 39.7 | 39.8 | 40.6 | 38.3 | 40.2 | 35.9 | 37.6 | 31.0 | 32.2 |
| Average daytime temperature (°C) | 28.7 | 30.3 | 32.9 | 36.1 | 36.8 | 36.4 | 35.4 | 36.8 | 34.5 | 34.0 | 29.0 | 28.7 |
| Average temperature (°C) | 24.0 | 24.4 | 27.2 | 29.4 | 30.9 | 31.1 | 30.5 | 30.8 | 29.3 | 28.7 | 25.6 | 25.4 |
| Average night temperature (°C) | 20.1 | 19.6 | 22.9 | 24.4 | 26.5 | 27.0 | 26.3 | 26.3 | 25.7 | 24.6 | 23.1 | 22.6 |
| Absolute minimum temperature (°C) | 16.8 | 17.6 | 20.1 | 20.9 | 23.9 | 24.5 | 24.6 | 24.7 | 24.6 | 22.9 | 20.8 | 20.2 |
| 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) | 9.6 | 9.9 | 11.0 | 10.9 | 9.8 | 9.5 | 7.9 | 10.7 | 9.8 | 10.4 | 6.8 | 7.8 |
| Precipitation (mm) | 6 | 38 | 41 | 35 | 57 | 109 | 64 | 54 | 91 | 157 | 446 | 125 |
| Sunny days | 15 | 22 | 13 | 8 | 16 | 9 | 8 | 6 | 3 | 1 | 0 | 1 |
| Rainy days | 16 | 6 | 18 | 22 | 15 | 21 | 23 | 25 | 27 | 30 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ammāpettai is at