Average annual temperature is 28.1 °C
Absolute maximum temperature: 42.4 °C
Absolute minimum temperature: 15.4 °C
Number of sunny days: 120 days
Number of rainy days: 245 days
Look at detailed online map of Seilapettai
* Weather data for Seilapettai 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) | 29.7 | 34.0 | 35.5 | 40.2 | 42.4 | 41.3 | 36.5 | 38.5 | 37.8 | 35.6 | 31.7 | 31.3 |
| Average daytime temperature (°C) | 28.5 | 31.8 | 33.2 | 36.5 | 37.9 | 38.0 | 34.0 | 36.3 | 34.7 | 33.5 | 29.4 | 28.5 |
| Average temperature (°C) | 23.7 | 24.9 | 27.2 | 29.7 | 31.2 | 32.0 | 29.7 | 30.4 | 29.3 | 28.3 | 25.9 | 25.1 |
| Average night temperature (°C) | 19.3 | 19.3 | 22.6 | 24.9 | 26.9 | 27.9 | 26.4 | 26.3 | 25.8 | 24.4 | 23.1 | 22.0 |
| Absolute minimum temperature (°C) | 15.4 | 17.3 | 18.9 | 22.6 | 23.5 | 25.5 | 24.3 | 24.6 | 24.3 | 21.8 | 22.4 | 19.3 |
| 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) | 11.4 | 11.7 | 12.1 | 12.4 | 12.7 | 12.9 | 12.8 | 12.6 | 12.2 | 11.8 | 11.5 | 11.4 |
| 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) | 10.0 | 10.2 | 10.8 | 11.0 | 10.2 | 9.5 | 7.0 | 10.3 | 9.6 | 10.4 | 7.5 | 8.6 |
| Precipitation (mm) | 12 | 0 | 37 | 32 | 115 | 54 | 162 | 51 | 205 | 67 | 383 | 383 |
| Sunny days | 16 | 25 | 16 | 15 | 14 | 11 | 5 | 4 | 4 | 2 | 1 | 7 |
| Rainy days | 15 | 3 | 15 | 15 | 17 | 19 | 26 | 27 | 26 | 29 | 29 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Seilapettai is at