Average annual temperature is 27.8 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: 18.6 °C
Number of sunny days: 128 days
Number of rainy days: 237 days
Look at detailed online map of Seyyānkuppam
* Weather data for Seyyānkuppam 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) | 29.5 | 31.9 | 31.3 | 34.6 | 37.8 | 37.9 | 36.7 | 36.9 | 34.2 | 33.5 | 30.3 | 31.4 |
| Average daytime temperature (°C) | 28.2 | 29.1 | 30.5 | 31.9 | 33.9 | 34.7 | 33.4 | 34.3 | 32.6 | 31.1 | 28.5 | 28.4 |
| Average temperature (°C) | 24.6 | 24.9 | 27.1 | 28.7 | 29.9 | 30.4 | 29.7 | 29.9 | 28.8 | 27.9 | 25.9 | 25.7 |
| Average night temperature (°C) | 21.1 | 20.8 | 23.8 | 25.6 | 26.9 | 27.4 | 26.8 | 26.5 | 25.9 | 24.8 | 23.6 | 23.0 |
| Absolute minimum temperature (°C) | 18.9 | 18.6 | 21.1 | 22.9 | 24.3 | 24.6 | 25.3 | 24.6 | 24.7 | 23.5 | 21.5 | 20.4 |
| 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 | 12.8 | 12.8 | 12.5 | 12.2 | 11.9 | 11.6 | 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) | 9.9 | 10.0 | 11.0 | 11.1 | 10.1 | 9.4 | 7.6 | 10.6 | 10.0 | 10.4 | 7.6 | 8.6 |
| Precipitation (mm) | 9 | 22 | 29 | 29 | 78 | 108 | 83 | 106 | 126 | 153 | 416 | 167 |
| Sunny days | 17 | 23 | 18 | 16 | 21 | 13 | 6 | 8 | 3 | 1 | 0 | 2 |
| Rainy days | 14 | 5 | 13 | 14 | 10 | 17 | 25 | 23 | 27 | 30 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Seyyānkuppam is at