Average annual temperature is 28.3 °C
Absolute maximum temperature: 40.4 °C
Absolute minimum temperature: 16.5 °C
Number of sunny days: 121 days
Number of rainy days: 244 days
Look at detailed online map of Vishnampettai
* Weather data for Vishnampettai 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) | 31.1 | 33.4 | 36.3 | 39.9 | 39.3 | 40.4 | 39.1 | 40.1 | 37.2 | 37.1 | 32.5 | 33.3 |
| Average daytime temperature (°C) | 29.4 | 31.1 | 34.1 | 36.6 | 36.4 | 37.7 | 36.1 | 37.4 | 35.0 | 34.1 | 30.0 | 29.6 |
| Average temperature (°C) | 24.1 | 24.6 | 27.9 | 29.9 | 30.4 | 31.5 | 30.5 | 31.1 | 29.1 | 28.4 | 25.9 | 25.9 |
| Average night temperature (°C) | 19.5 | 19.1 | 22.8 | 24.4 | 25.9 | 27.2 | 26.3 | 26.3 | 25.7 | 24.2 | 23.1 | 22.9 |
| Absolute minimum temperature (°C) | 16.5 | 16.8 | 19.8 | 21.9 | 23.8 | 25.6 | 24.3 | 24.9 | 24.3 | 23.2 | 21.1 | 20.6 |
| 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 | 12.4 | 12.6 | 12.7 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| 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 | 9.7 | 10.9 | 10.9 | 9.8 | 9.9 | 7.9 | 10.9 | 9.3 | 10.4 | 7.8 | 7.7 |
| Precipitation (mm) | 5 | 50 | 58 | 58 | 121 | 56 | 53 | 81 | 177 | 145 | 339 | 75 |
| Sunny days | 19 | 22 | 15 | 14 | 13 | 10 | 8 | 10 | 2 | 3 | 1 | 4 |
| Rainy days | 12 | 6 | 16 | 16 | 18 | 20 | 23 | 21 | 28 | 28 | 29 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Vishnampettai is at