Average annual temperature is 28.0 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: 17.2 °C
Number of sunny days: 90 days
Number of rainy days: 275 days
Look at detailed online map of Kīlappettai
* Weather data for Kīlappettai 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 | 31.6 | 36.6 | 38.4 | 38.7 | 39.8 | 39.5 | 39.8 | 36.2 | 36.3 | 31.3 | 32.5 |
| Average daytime temperature (°C) | 28.7 | 29.7 | 33.1 | 35.8 | 35.1 | 36.4 | 35.7 | 36.6 | 34.0 | 33.1 | 29.1 | 28.7 |
| Average temperature (°C) | 24.2 | 24.3 | 27.6 | 29.6 | 30.0 | 30.7 | 30.1 | 30.3 | 29.0 | 28.1 | 25.6 | 25.6 |
| Average night temperature (°C) | 20.4 | 20.1 | 23.1 | 24.9 | 26.2 | 27.1 | 26.7 | 26.5 | 25.9 | 24.4 | 23.0 | 23.1 |
| Absolute minimum temperature (°C) | 17.3 | 17.2 | 21.1 | 22.3 | 23.7 | 24.7 | 24.7 | 24.3 | 24.0 | 22.8 | 21.0 | 21.2 |
| 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) | 11.6 | 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) | 9.7 | 10.0 | 11.1 | 11.0 | 9.5 | 9.8 | 8.2 | 10.8 | 10.0 | 10.3 | 6.9 | 7.9 |
| Precipitation (mm) | 16 | 66 | 44 | 45 | 89 | 106 | 59 | 134 | 151 | 223 | 637 | 136 |
| Sunny days | 14 | 21 | 11 | 10 | 14 | 9 | 4 | 6 | 0 | 0 | 0 | 1 |
| Rainy days | 17 | 7 | 20 | 20 | 17 | 21 | 27 | 25 | 30 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kīlappettai is at