Average annual temperature is 28.0 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: 17.4 °C
Number of sunny days: 126 days
Number of rainy days: 239 days
Look at detailed online map of Nelveli
* Weather data for Nelveli 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) | 30.0 | 34.1 | 35.6 | 39.4 | 40.3 | 40.5 | 37.1 | 38.1 | 35.3 | 34.5 | 31.6 | 31.6 |
| Average daytime temperature (°C) | 29.0 | 31.7 | 33.7 | 36.4 | 36.7 | 36.3 | 34.1 | 35.7 | 33.6 | 33.0 | 29.6 | 29.0 |
| Average temperature (°C) | 24.0 | 24.9 | 27.5 | 29.8 | 30.8 | 31.0 | 29.4 | 30.2 | 28.9 | 28.1 | 25.7 | 25.2 |
| Average night temperature (°C) | 19.8 | 19.7 | 22.7 | 25.0 | 26.5 | 27.2 | 26.1 | 26.0 | 25.4 | 24.2 | 23.0 | 21.9 |
| Absolute minimum temperature (°C) | 17.5 | 17.4 | 19.1 | 21.9 | 23.9 | 24.6 | 24.3 | 24.3 | 24.4 | 22.9 | 20.6 | 19.3 |
| 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) | 11.5 | 11.7 | 12.1 | 12.4 | 12.7 | 12.9 | 12.8 | 12.5 | 12.2 | 11.8 | 11.5 | 11.4 |
| 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 | 10.4 | 10.8 | 11.2 | 10.0 | 9.5 | 7.1 | 10.1 | 9.6 | 10.2 | 7.3 | 8.4 |
| Precipitation (mm) | 9 | 3 | 42 | 19 | 113 | 88 | 112 | 106 | 145 | 95 | 382 | 181 |
| Sunny days | 16 | 23 | 17 | 17 | 15 | 9 | 6 | 4 | 3 | 7 | 2 | 7 |
| Rainy days | 15 | 5 | 14 | 13 | 16 | 21 | 25 | 27 | 27 | 24 | 28 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nelveli is at