Average annual temperature is 27.9 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: 17.1 °C
Number of sunny days: 145 days
Number of rainy days: 220 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) | 32.9 | 36.7 | 38.6 | 40.3 | 37.4 | 38.4 | 37.2 | 38.3 | 34.6 | 36.9 | 33.8 | 33.4 |
| Average daytime temperature (°C) | 31.2 | 34.3 | 35.7 | 37.4 | 35.0 | 35.6 | 33.8 | 36.4 | 32.9 | 33.8 | 31.2 | 31.3 |
| Average temperature (°C) | 24.8 | 26.5 | 28.6 | 30.6 | 29.3 | 29.3 | 28.0 | 29.7 | 27.5 | 28.0 | 26.2 | 26.2 |
| Average night temperature (°C) | 19.4 | 19.7 | 22.3 | 24.7 | 24.9 | 24.7 | 23.3 | 24.5 | 23.7 | 23.3 | 22.7 | 22.0 |
| Absolute minimum temperature (°C) | 17.1 | 18.3 | 18.5 | 22.8 | 23.2 | 23.5 | 22.0 | 22.8 | 22.7 | 22.4 | 20.7 | 20.1 |
| 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) | 9.7 | 10.5 | 11.1 | 11.1 | 10.1 | 9.6 | 8.1 | 10.9 | 9.3 | 10.4 | 9.3 | 8.6 |
| Precipitation (mm) | 0 | 8 | 36 | 52 | 148 | 75 | 145 | 67 | 117 | 214 | 237 | 35 |
| Sunny days | 27 | 26 | 20 | 17 | 6 | 6 | 3 | 11 | 1 | 8 | 5 | 15 |
| Rainy days | 4 | 2 | 11 | 13 | 25 | 24 | 28 | 20 | 29 | 23 | 25 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ammāpettai is at