Average annual temperature is 28.0 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: 17.2 °C
Number of sunny days: 88 days
Number of rainy days: 277 days
Look at detailed online map of Ayyampettai
* Weather data for Ayyampettai 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) | 30.6 | 33.5 | 37.1 | 38.9 | 39.5 | 39.9 | 38.9 | 40.5 | 36.2 | 36.1 | 31.7 | 33.0 |
| Average daytime temperature (°C) | 29.6 | 31.0 | 33.9 | 36.5 | 35.8 | 36.8 | 35.8 | 36.8 | 34.4 | 33.0 | 29.5 | 29.1 |
| Average temperature (°C) | 24.2 | 24.6 | 27.8 | 29.9 | 30.1 | 30.7 | 30.3 | 30.2 | 28.9 | 27.8 | 25.6 | 25.7 |
| Average night temperature (°C) | 20.0 | 19.9 | 23.0 | 24.8 | 26.1 | 27.1 | 26.7 | 26.2 | 25.7 | 24.2 | 22.9 | 22.9 |
| Absolute minimum temperature (°C) | 17.2 | 17.4 | 20.5 | 22.3 | 23.8 | 25.0 | 24.6 | 24.4 | 24.1 | 22.4 | 20.9 | 20.8 |
| 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) | 9.9 | 9.8 | 10.9 | 11.1 | 9.4 | 9.7 | 8.0 | 10.9 | 9.8 | 10.2 | 6.7 | 7.4 |
| Precipitation (mm) | 11 | 57 | 46 | 44 | 118 | 87 | 42 | 114 | 191 | 213 | 472 | 129 |
| Sunny days | 18 | 20 | 12 | 11 | 7 | 6 | 3 | 9 | 0 | 1 | 0 | 1 |
| Rainy days | 13 | 8 | 19 | 19 | 24 | 24 | 28 | 22 | 30 | 30 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ayyampettai is at