Average annual temperature is 28.6 °C
Absolute maximum temperature: 42.1 °C
Absolute minimum temperature: 18.6 °C
Number of sunny days: 98 days
Number of rainy days: 267 days
Look at detailed online map of Tirunelveli
* Weather data for Tirunelveli 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) | 34.8 | 37.3 | 40.5 | 41.3 | 42.1 | 40.1 | 37.5 | 40.8 | 39.0 | 35.9 | 32.4 | 33.4 |
| Average daytime temperature (°C) | 32.5 | 33.7 | 36.6 | 38.1 | 37.6 | 37.2 | 34.6 | 38.2 | 34.9 | 33.1 | 30.5 | 29.6 |
| Average temperature (°C) | 25.9 | 26.3 | 29.2 | 30.5 | 31.0 | 31.2 | 29.6 | 31.1 | 29.1 | 27.4 | 25.8 | 25.8 |
| Average night temperature (°C) | 21.2 | 21.0 | 24.0 | 25.2 | 26.5 | 26.8 | 25.8 | 26.0 | 25.2 | 23.6 | 23.0 | 22.9 |
| Absolute minimum temperature (°C) | 19.3 | 18.6 | 21.7 | 23.7 | 24.3 | 24.9 | 24.0 | 24.4 | 23.7 | 22.6 | 22.4 | 21.3 |
| 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) | 9.7 | 10.2 | 10.9 | 10.7 | 9.9 | 10.7 | 9.3 | 11.2 | 9.4 | 9.8 | 7.6 | 7.5 |
| Precipitation (mm) | 43 | 61 | 61 | 79 | 56 | 18 | 54 | 78 | 134 | 298 | 450 | 814 |
| Sunny days | 24 | 23 | 4 | 2 | 5 | 6 | 14 | 11 | 1 | 1 | 1 | 6 |
| Rainy days | 7 | 5 | 27 | 28 | 26 | 24 | 17 | 20 | 29 | 30 | 29 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tirunelveli is at