Average annual temperature is 28.2 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: 19.8 °C
Number of sunny days: 95 days
Number of rainy days: 270 days
Look at detailed online map of Nagapattinam
* Weather data for Nagapattinam 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) | 29.1 | 29.7 | 34.1 | 37.7 | 38.4 | 39.1 | 38.9 | 39.3 | 35.0 | 35.7 | 30.2 | 32.0 |
| Average daytime temperature (°C) | 27.8 | 28.1 | 31.0 | 33.6 | 34.7 | 36.2 | 35.5 | 35.5 | 33.4 | 32.1 | 28.5 | 28.2 |
| Average temperature (°C) | 25.3 | 25.2 | 27.7 | 29.5 | 30.1 | 30.8 | 30.2 | 30.2 | 29.1 | 28.2 | 26.1 | 26.2 |
| Average night temperature (°C) | 22.7 | 22.3 | 24.6 | 26.1 | 26.5 | 27.3 | 26.8 | 26.6 | 26.2 | 24.8 | 23.8 | 24.4 |
| Absolute minimum temperature (°C) | 20.0 | 19.8 | 22.4 | 23.8 | 23.7 | 24.1 | 24.8 | 24.6 | 24.3 | 23.3 | 21.8 | 23.2 |
| 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) | 9.7 | 10.1 | 11.0 | 11.2 | 9.6 | 9.8 | 8.4 | 11.1 | 10.1 | 10.7 | 7.5 | 8.4 |
| Precipitation (mm) | 25 | 80 | 52 | 45 | 100 | 91 | 56 | 96 | 120 | 238 | 773 | 179 |
| Sunny days | 12 | 18 | 12 | 12 | 16 | 13 | 6 | 3 | 0 | 1 | 0 | 2 |
| Rainy days | 19 | 10 | 19 | 18 | 15 | 17 | 25 | 28 | 30 | 30 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nagapattinam is at