Average annual temperature is 28.5 °C
Absolute maximum temperature: 40.9 °C
Absolute minimum temperature: 17.3 °C
Number of sunny days: 140 days
Number of rainy days: 225 days
Look at detailed online map of Vennalai
* Weather data for Vennalai 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) | 32.6 | 36.2 | 37.2 | 40.0 | 40.4 | 40.9 | 38.7 | 39.7 | 37.1 | 38.3 | 34.1 | 33.9 |
| Average daytime temperature (°C) | 31.2 | 33.2 | 35.3 | 37.0 | 37.1 | 37.7 | 34.8 | 37.9 | 35.2 | 34.4 | 31.0 | 31.7 |
| Average temperature (°C) | 24.9 | 25.8 | 28.6 | 30.3 | 30.7 | 31.0 | 29.2 | 30.9 | 29.2 | 28.6 | 26.0 | 26.6 |
| Average night temperature (°C) | 19.5 | 19.5 | 22.9 | 24.5 | 25.9 | 26.5 | 25.4 | 25.8 | 25.3 | 24.0 | 22.3 | 22.4 |
| Absolute minimum temperature (°C) | 17.6 | 17.3 | 19.4 | 22.6 | 23.2 | 24.8 | 23.8 | 24.4 | 24.2 | 22.4 | 19.9 | 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) | 11.6 | 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) | 10.1 | 10.3 | 11.1 | 11.1 | 10.1 | 9.9 | 8.7 | 10.9 | 9.7 | 10.5 | 8.9 | 8.5 |
| Precipitation (mm) | 5 | 30 | 51 | 45 | 120 | 30 | 55 | 102 | 118 | 153 | 175 | 37 |
| Sunny days | 27 | 24 | 16 | 15 | 9 | 7 | 6 | 14 | 3 | 4 | 2 | 13 |
| Rainy days | 4 | 4 | 15 | 15 | 22 | 23 | 25 | 17 | 27 | 27 | 28 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Vennalai is at