Average annual temperature is 28.2 °C
Absolute maximum temperature: 40.2 °C
Absolute minimum temperature: 17.1 °C
Number of sunny days: 124 days
Number of rainy days: 241 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) | 30.7 | 34.7 | 36.3 | 39.6 | 39.2 | 40.2 | 38.3 | 39.8 | 36.0 | 36.9 | 32.1 | 31.8 |
| Average daytime temperature (°C) | 29.3 | 32.0 | 34.3 | 37.0 | 36.4 | 36.1 | 34.9 | 36.8 | 34.2 | 34.3 | 29.6 | 29.1 |
| Average temperature (°C) | 24.0 | 25.2 | 27.6 | 29.9 | 30.7 | 31.0 | 30.1 | 31.0 | 29.1 | 28.8 | 25.6 | 25.4 |
| Average night temperature (°C) | 19.6 | 19.6 | 22.7 | 24.3 | 26.1 | 26.9 | 26.1 | 26.3 | 25.4 | 24.4 | 22.9 | 22.3 |
| Absolute minimum temperature (°C) | 17.3 | 17.1 | 19.6 | 21.8 | 23.7 | 25.0 | 24.4 | 24.4 | 24.5 | 22.9 | 20.5 | 19.5 |
| 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 | 12.7 | 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) | 9.7 | 9.8 | 10.9 | 11.0 | 10.0 | 9.6 | 7.9 | 10.7 | 9.6 | 10.2 | 7.0 | 7.9 |
| Precipitation (mm) | 5 | 19 | 35 | 44 | 117 | 83 | 72 | 82 | 134 | 131 | 402 | 94 |
| Sunny days | 19 | 23 | 16 | 14 | 11 | 6 | 9 | 12 | 4 | 4 | 2 | 4 |
| Rainy days | 12 | 5 | 15 | 16 | 20 | 24 | 22 | 19 | 26 | 27 | 28 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Nāchchiyārpettai is at