Average annual temperature is 28.3 °C
Absolute maximum temperature: 40.9 °C
Absolute minimum temperature: 17.4 °C
Number of sunny days: 113 days
Number of rainy days: 252 days
Look at detailed online map of Nāchchiyārpettai
* Weather data for Nāchchiyārpettai 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) | 30.3 | 34.3 | 37.9 | 40.1 | 40.0 | 40.9 | 39.5 | 40.7 | 36.3 | 35.9 | 31.0 | 32.8 |
| Average daytime temperature (°C) | 29.0 | 31.2 | 34.1 | 37.1 | 36.8 | 36.9 | 36.1 | 37.0 | 34.4 | 33.5 | 29.0 | 28.7 |
| Average temperature (°C) | 24.0 | 24.7 | 27.7 | 30.0 | 30.9 | 31.3 | 30.7 | 31.0 | 29.3 | 28.3 | 25.5 | 25.3 |
| Average night temperature (°C) | 20.1 | 20.0 | 23.2 | 24.9 | 26.3 | 27.2 | 26.5 | 26.2 | 25.9 | 24.4 | 23.1 | 22.6 |
| Absolute minimum temperature (°C) | 17.4 | 17.9 | 20.9 | 22.5 | 23.5 | 24.9 | 24.4 | 24.5 | 24.3 | 23.0 | 20.6 | 20.0 |
| 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) | 11.5 | 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) | 9.6 | 9.6 | 10.9 | 10.9 | 9.7 | 9.6 | 7.8 | 10.7 | 9.6 | 10.4 | 6.9 | 7.6 |
| Precipitation (mm) | 9 | 45 | 44 | 38 | 90 | 65 | 36 | 119 | 99 | 127 | 446 | 126 |
| Sunny days | 17 | 20 | 12 | 14 | 14 | 9 | 9 | 8 | 3 | 4 | 0 | 3 |
| Rainy days | 14 | 8 | 19 | 16 | 17 | 21 | 22 | 23 | 27 | 27 | 30 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nāchchiyārpettai is at