Average annual temperature is 27.5 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: 14.8 °C
Number of sunny days: 135 days
Number of rainy days: 230 days
Look at detailed online map of Vanniyanūr
* Weather data for Vanniyanūr 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) | 30.0 | 34.7 | 36.3 | 38.8 | 39.7 | 39.9 | 36.8 | 37.3 | 36.1 | 35.4 | 31.6 | 32.9 |
| Average daytime temperature (°C) | 28.5 | 32.4 | 34.2 | 36.3 | 36.1 | 35.6 | 33.9 | 35.7 | 33.3 | 33.0 | 29.3 | 28.6 |
| Average temperature (°C) | 23.2 | 25.1 | 27.4 | 29.6 | 30.0 | 30.1 | 29.0 | 29.8 | 28.1 | 27.6 | 25.3 | 24.7 |
| Average night temperature (°C) | 18.2 | 18.0 | 21.7 | 23.8 | 25.1 | 25.7 | 25.3 | 24.9 | 24.1 | 22.9 | 22.6 | 21.4 |
| Absolute minimum temperature (°C) | 14.8 | 16.1 | 17.5 | 21.3 | 23.0 | 24.1 | 23.5 | 23.3 | 23.0 | 20.2 | 21.8 | 18.7 |
| 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 | 10.5 | 10.8 | 11.2 | 10.0 | 9.2 | 6.7 | 10.2 | 9.0 | 10.2 | 7.8 | 8.2 |
| Precipitation (mm) | 7 | 0 | 65 | 40 | 133 | 101 | 88 | 96 | 232 | 109 | 307 | 64 |
| Sunny days | 21 | 27 | 18 | 17 | 15 | 8 | 7 | 6 | 1 | 5 | 3 | 7 |
| Rainy days | 10 | 1 | 13 | 13 | 16 | 22 | 24 | 25 | 29 | 26 | 27 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Vanniyanūr is at