Average annual temperature is 27.8 °C
Absolute maximum temperature: 41.4 °C
Absolute minimum temperature: 16.3 °C
Number of sunny days: 129 days
Number of rainy days: 236 days
Look at detailed online map of Seyyanūrpettai
* Weather data for Seyyanūrpettai 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 | 35.0 | 37.0 | 39.7 | 41.4 | 41.1 | 36.7 | 36.8 | 36.7 | 34.4 | 32.7 | 32.1 |
| Average daytime temperature (°C) | 29.1 | 32.8 | 34.7 | 37.5 | 37.4 | 37.1 | 33.7 | 35.6 | 33.7 | 32.8 | 29.6 | 28.6 |
| Average temperature (°C) | 23.5 | 25.4 | 27.6 | 30.2 | 31.0 | 31.0 | 29.0 | 29.9 | 28.6 | 27.8 | 25.4 | 24.6 |
| Average night temperature (°C) | 18.7 | 18.8 | 22.1 | 24.4 | 26.2 | 26.8 | 25.7 | 25.7 | 25.1 | 23.7 | 22.7 | 21.1 |
| Absolute minimum temperature (°C) | 16.3 | 16.9 | 17.9 | 21.2 | 23.5 | 24.7 | 23.9 | 24.1 | 24.0 | 22.4 | 21.5 | 18.2 |
| 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) | 11.5 | 11.7 | 12.1 | 12.4 | 12.7 | 12.9 | 12.8 | 12.5 | 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 | 10.6 | 10.7 | 11.2 | 10.0 | 9.4 | 7.1 | 10.3 | 9.4 | 10.3 | 7.7 | 8.4 |
| Precipitation (mm) | 8 | 0 | 33 | 16 | 132 | 140 | 91 | 95 | 191 | 72 | 334 | 167 |
| Sunny days | 19 | 25 | 17 | 16 | 16 | 7 | 4 | 7 | 2 | 7 | 1 | 8 |
| Rainy days | 12 | 3 | 14 | 14 | 15 | 23 | 27 | 24 | 28 | 24 | 29 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Seyyanūrpettai is at