Average annual temperature is 28.3 °C
Absolute maximum temperature: 41.2 °C
Absolute minimum temperature: 17.5 °C
Number of sunny days: 117 days
Number of rainy days: 248 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) | 30.5 | 34.7 | 36.8 | 40.0 | 40.4 | 41.2 | 39.5 | 40.6 | 36.9 | 36.8 | 31.6 | 32.4 |
| Average daytime temperature (°C) | 29.4 | 31.5 | 34.2 | 37.0 | 36.6 | 37.2 | 36.4 | 37.3 | 34.3 | 33.3 | 29.4 | 28.9 |
| Average temperature (°C) | 24.2 | 25.0 | 27.9 | 30.2 | 30.6 | 31.3 | 30.7 | 31.0 | 29.0 | 28.1 | 25.6 | 25.4 |
| Average night temperature (°C) | 19.9 | 19.8 | 22.9 | 24.7 | 26.0 | 27.2 | 26.4 | 26.2 | 25.6 | 24.2 | 23.0 | 22.5 |
| Absolute minimum temperature (°C) | 17.5 | 17.6 | 20.5 | 21.9 | 23.7 | 25.0 | 24.2 | 24.4 | 24.1 | 23.0 | 20.8 | 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) | 11.6 | 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) | 9.8 | 9.8 | 11.0 | 10.9 | 9.6 | 9.6 | 7.8 | 10.7 | 9.7 | 10.4 | 7.1 | 7.5 |
| Precipitation (mm) | 7 | 50 | 41 | 53 | 109 | 60 | 38 | 108 | 114 | 163 | 408 | 103 |
| Sunny days | 17 | 20 | 14 | 14 | 14 | 9 | 9 | 9 | 4 | 4 | 0 | 3 |
| Rainy days | 14 | 8 | 17 | 16 | 17 | 21 | 22 | 22 | 26 | 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