Average annual temperature is 28.5 °C
Absolute maximum temperature: 41.4 °C
Absolute minimum temperature: 18.9 °C
Number of sunny days: 87 days
Number of rainy days: 278 days
Look at detailed online map of Seyyānkottai
* Weather data for Seyyānkottai 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) | 33.3 | 35.7 | 38.0 | 39.9 | 40.5 | 41.4 | 40.5 | 41.2 | 36.5 | 37.2 | 31.8 | 32.8 |
| Average daytime temperature (°C) | 30.8 | 32.2 | 34.7 | 36.6 | 35.8 | 38.0 | 36.7 | 37.8 | 34.5 | 33.2 | 29.9 | 29.6 |
| Average temperature (°C) | 25.4 | 25.9 | 28.7 | 30.2 | 29.9 | 31.3 | 30.5 | 30.7 | 28.9 | 28.1 | 26.0 | 26.0 |
| Average night temperature (°C) | 20.8 | 20.7 | 23.9 | 25.4 | 26.0 | 26.9 | 26.2 | 26.4 | 25.2 | 24.5 | 23.2 | 23.2 |
| Absolute minimum temperature (°C) | 19.1 | 18.9 | 20.8 | 23.8 | 24.0 | 25.7 | 24.4 | 24.2 | 24.3 | 23.1 | 22.6 | 21.5 |
| 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 | 12.3 | 12.6 | 12.7 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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 | 9.9 | 10.9 | 11.1 | 9.5 | 9.8 | 8.9 | 11.1 | 10.2 | 9.8 | 8.0 | 8.2 |
| Precipitation (mm) | 13 | 35 | 27 | 60 | 113 | 50 | 69 | 149 | 123 | 219 | 350 | 139 |
| Sunny days | 22 | 22 | 12 | 7 | 8 | 1 | 4 | 2 | 2 | 1 | 1 | 5 |
| Rainy days | 9 | 6 | 19 | 23 | 23 | 29 | 27 | 29 | 28 | 30 | 29 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Seyyānkottai is at