Average annual temperature is 28.1 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: 17.1 °C
Number of sunny days: 107 days
Number of rainy days: 258 days
Look at detailed online map of Ammanpettai
* Weather data for Ammanpettai 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) | 31.4 | 33.2 | 37.8 | 39.3 | 39.3 | 40.5 | 39.6 | 40.8 | 37.2 | 35.7 | 31.8 | 33.1 |
| Average daytime temperature (°C) | 29.6 | 30.8 | 34.5 | 36.7 | 36.4 | 37.8 | 36.3 | 37.5 | 34.3 | 33.2 | 29.8 | 29.2 |
| Average temperature (°C) | 24.2 | 24.6 | 28.1 | 29.9 | 30.3 | 31.2 | 30.5 | 30.9 | 28.6 | 27.8 | 25.5 | 25.6 |
| Average night temperature (°C) | 19.6 | 19.2 | 22.8 | 24.5 | 25.8 | 26.9 | 26.3 | 25.9 | 25.0 | 23.9 | 22.7 | 22.6 |
| Absolute minimum temperature (°C) | 17.2 | 17.1 | 19.8 | 22.3 | 23.7 | 25.2 | 24.1 | 24.3 | 23.7 | 22.9 | 21.1 | 20.3 |
| 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) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 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) | 10.1 | 9.6 | 10.8 | 10.9 | 9.8 | 9.4 | 8.3 | 10.9 | 9.1 | 10.0 | 7.2 | 7.5 |
| Precipitation (mm) | 8 | 55 | 37 | 37 | 119 | 88 | 44 | 135 | 209 | 205 | 367 | 71 |
| Sunny days | 20 | 21 | 13 | 12 | 9 | 6 | 9 | 9 | 1 | 1 | 1 | 5 |
| Rainy days | 11 | 7 | 18 | 18 | 22 | 24 | 22 | 22 | 29 | 30 | 29 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ammanpettai is at