Average annual temperature is 28.3 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: 16.6 °C
Number of sunny days: 129 days
Number of rainy days: 236 days
Look at detailed online map of Pachchāmpettai
* Weather data for Pachchāmpettai 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) | 31.2 | 34.0 | 36.7 | 39.1 | 39.3 | 40.1 | 39.0 | 40.3 | 36.7 | 37.2 | 32.3 | 33.1 |
| Average daytime temperature (°C) | 29.6 | 31.4 | 34.5 | 36.5 | 36.4 | 37.7 | 35.9 | 37.5 | 35.0 | 33.9 | 30.0 | 29.7 |
| Average temperature (°C) | 24.3 | 25.0 | 28.1 | 29.9 | 30.4 | 31.5 | 30.3 | 31.1 | 29.1 | 28.2 | 25.9 | 25.9 |
| Average night temperature (°C) | 19.7 | 19.3 | 22.9 | 24.2 | 25.7 | 27.1 | 26.1 | 26.1 | 25.6 | 24.0 | 23.0 | 22.9 |
| Absolute minimum temperature (°C) | 17.0 | 16.6 | 20.4 | 22.0 | 23.6 | 25.2 | 24.0 | 24.7 | 24.2 | 22.7 | 21.2 | 20.9 |
| 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) | 10.1 | 10.1 | 11.0 | 11.1 | 9.9 | 9.9 | 8.1 | 10.9 | 9.5 | 10.5 | 8.1 | 8.2 |
| Precipitation (mm) | 4 | 37 | 45 | 49 | 149 | 48 | 40 | 104 | 161 | 184 | 313 | 50 |
| Sunny days | 21 | 23 | 13 | 13 | 11 | 14 | 10 | 12 | 2 | 1 | 0 | 9 |
| Rainy days | 10 | 5 | 18 | 17 | 20 | 16 | 21 | 19 | 28 | 30 | 30 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Pachchāmpettai is at