Average annual temperature is 28.0 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: 18.0 °C
Number of sunny days: 83 days
Number of rainy days: 282 days
Look at detailed online map of Tiruvilaiyāttam
* Weather data for Tiruvilaiyāttam 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) | 29.2 | 31.1 | 35.0 | 39.1 | 39.2 | 40.5 | 38.5 | 39.1 | 36.4 | 36.6 | 31.3 | 33.3 |
| Average daytime temperature (°C) | 28.2 | 29.2 | 32.1 | 34.8 | 36.0 | 36.6 | 35.6 | 36.6 | 34.8 | 33.1 | 28.9 | 28.7 |
| Average temperature (°C) | 24.2 | 24.4 | 27.3 | 29.2 | 30.3 | 30.9 | 30.3 | 30.3 | 29.3 | 28.2 | 25.7 | 25.7 |
| Average night temperature (°C) | 20.7 | 20.4 | 23.2 | 24.8 | 26.3 | 27.2 | 26.7 | 26.3 | 26.0 | 24.5 | 23.2 | 23.2 |
| Absolute minimum temperature (°C) | 18.2 | 18.0 | 21.2 | 22.4 | 23.8 | 24.9 | 24.5 | 24.2 | 24.4 | 23.3 | 21.2 | 21.0 |
| 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 | 12.8 | 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) | 9.7 | 10.0 | 11.1 | 11.2 | 9.5 | 9.9 | 8.1 | 10.9 | 10.1 | 10.5 | 7.0 | 8.1 |
| Precipitation (mm) | 19 | 77 | 57 | 46 | 81 | 83 | 96 | 127 | 174 | 256 | 616 | 136 |
| Sunny days | 11 | 21 | 10 | 11 | 10 | 7 | 8 | 3 | 0 | 0 | 0 | 2 |
| Rainy days | 20 | 7 | 21 | 19 | 21 | 23 | 23 | 28 | 30 | 31 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tiruvilaiyāttam is at