Average annual temperature is 28.2 °C
Absolute maximum temperature: 41.2 °C
Absolute minimum temperature: 18.9 °C
Number of sunny days: 107 days
Number of rainy days: 258 days
Look at detailed online map of Vallānkottai
* Weather data for Vallānkottai 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) | 34.4 | 36.9 | 39.8 | 41.2 | 41.2 | 39.2 | 36.9 | 40.0 | 37.2 | 36.1 | 32.1 | 33.1 |
| Average daytime temperature (°C) | 32.2 | 33.4 | 36.2 | 37.6 | 37.1 | 36.5 | 34.0 | 37.5 | 34.4 | 32.8 | 30.2 | 29.2 |
| Average temperature (°C) | 25.7 | 26.1 | 28.9 | 30.2 | 30.6 | 30.6 | 29.1 | 30.6 | 28.6 | 27.2 | 25.6 | 25.6 |
| Average night temperature (°C) | 21.1 | 21.0 | 23.9 | 25.2 | 26.4 | 26.6 | 25.6 | 26.0 | 24.9 | 23.5 | 22.9 | 22.8 |
| Absolute minimum temperature (°C) | 19.1 | 18.9 | 21.4 | 23.4 | 24.2 | 24.4 | 23.9 | 25.0 | 22.8 | 22.4 | 22.3 | 21.1 |
| 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) | 11.7 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 | 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) | 9.7 | 10.2 | 10.8 | 10.6 | 9.9 | 10.7 | 9.3 | 11.1 | 9.3 | 9.7 | 7.6 | 7.4 |
| Precipitation (mm) | 38 | 60 | 61 | 90 | 66 | 21 | 54 | 80 | 96 | 317 | 442 | 743 |
| Sunny days | 24 | 24 | 4 | 6 | 4 | 8 | 16 | 13 | 2 | 0 | 1 | 5 |
| Rainy days | 7 | 4 | 27 | 24 | 27 | 22 | 15 | 18 | 28 | 31 | 29 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Vallānkottai is at