Average annual temperature is 27.4 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: 17.9 °C
Number of sunny days: 106 days
Number of rainy days: 259 days
Look at detailed online map of Tiruvettanallūr
* Weather data for Tiruvettanallūr 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) | 34.0 | 36.7 | 39.1 | 40.1 | 38.5 | 37.0 | 35.7 | 37.5 | 34.8 | 35.5 | 30.7 | 32.8 |
| Average daytime temperature (°C) | 31.9 | 33.1 | 36.1 | 36.7 | 35.1 | 35.0 | 32.0 | 35.7 | 31.2 | 31.7 | 29.1 | 28.9 |
| Average temperature (°C) | 25.6 | 26.1 | 28.6 | 29.5 | 29.3 | 29.4 | 27.5 | 29.2 | 26.6 | 26.5 | 24.9 | 25.1 |
| Average night temperature (°C) | 20.5 | 20.0 | 23.2 | 24.3 | 25.4 | 25.8 | 24.5 | 24.5 | 23.7 | 22.9 | 22.0 | 21.6 |
| Absolute minimum temperature (°C) | 18.7 | 17.9 | 20.5 | 22.9 | 23.3 | 24.4 | 23.0 | 23.1 | 22.8 | 21.4 | 20.9 | 19.7 |
| 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) | 11.7 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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 | 10.3 | 10.5 | 10.2 | 9.9 | 10.3 | 7.7 | 11.1 | 7.3 | 9.3 | 7.7 | 8.6 |
| Precipitation (mm) | 20 | 28 | 48 | 102 | 70 | 9 | 108 | 33 | 106 | 213 | 284 | 226 |
| Sunny days | 20 | 23 | 10 | 5 | 6 | 15 | 10 | 9 | 0 | 0 | 2 | 6 |
| Rainy days | 11 | 5 | 21 | 25 | 25 | 15 | 21 | 22 | 30 | 31 | 28 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tiruvettanallūr is at