Average annual temperature is 28.2 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: 17.1 °C
Number of sunny days: 90 days
Number of rainy days: 275 days
Look at detailed online map of Valaiyarnattam
* Weather data for Valaiyarnattam 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) | 31.4 | 33.3 | 38.5 | 40.3 | 39.8 | 40.8 | 39.7 | 40.3 | 37.4 | 35.9 | 31.6 | 32.9 |
| Average daytime temperature (°C) | 29.5 | 30.9 | 34.5 | 37.2 | 36.5 | 38.0 | 36.3 | 37.9 | 34.7 | 33.1 | 29.5 | 29.0 |
| Average temperature (°C) | 24.1 | 24.6 | 28.1 | 30.1 | 30.4 | 31.4 | 30.6 | 31.1 | 28.9 | 27.8 | 25.5 | 25.5 |
| Average night temperature (°C) | 19.6 | 19.4 | 22.9 | 24.8 | 25.9 | 27.3 | 26.6 | 26.2 | 25.3 | 24.0 | 22.8 | 22.5 |
| Absolute minimum temperature (°C) | 17.4 | 17.1 | 20.0 | 22.2 | 24.0 | 25.0 | 24.6 | 24.7 | 23.7 | 22.6 | 20.8 | 20.1 |
| 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) | 11.6 | 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 | 9.6 | 10.8 | 11.0 | 9.7 | 9.6 | 8.1 | 10.9 | 9.1 | 10.1 | 7.0 | 7.3 |
| Precipitation (mm) | 7 | 48 | 36 | 48 | 98 | 72 | 47 | 92 | 176 | 203 | 391 | 94 |
| Sunny days | 18 | 19 | 8 | 11 | 6 | 6 | 5 | 8 | 2 | 4 | 0 | 3 |
| Rainy days | 13 | 9 | 23 | 19 | 25 | 24 | 26 | 23 | 28 | 27 | 30 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Valaiyarnattam is at