Average annual temperature is 28.0 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: 16.4 °C
Number of sunny days: 102 days
Number of rainy days: 263 days
Look at detailed online map of Lālpettai
* Weather data for Lālpettai 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) | 29.6 | 32.5 | 35.8 | 38.8 | 39.3 | 40.3 | 38.0 | 39.2 | 35.8 | 36.2 | 31.8 | 32.8 |
| Average daytime temperature (°C) | 28.5 | 30.1 | 32.9 | 35.7 | 36.3 | 36.4 | 35.2 | 36.4 | 34.6 | 33.5 | 29.0 | 28.7 |
| Average temperature (°C) | 23.9 | 24.3 | 27.2 | 29.2 | 30.6 | 31.0 | 30.3 | 30.5 | 29.3 | 28.3 | 25.4 | 25.4 |
| Average night temperature (°C) | 20.1 | 19.8 | 22.9 | 24.5 | 26.4 | 27.1 | 26.5 | 26.3 | 26.0 | 24.5 | 23.1 | 22.7 |
| Absolute minimum temperature (°C) | 16.4 | 17.6 | 20.1 | 22.0 | 23.7 | 24.8 | 23.9 | 24.5 | 24.6 | 23.3 | 20.4 | 20.5 |
| 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 | 12.6 | 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) | 9.5 | 9.7 | 11.0 | 10.9 | 9.6 | 9.6 | 7.9 | 10.9 | 9.9 | 10.4 | 6.6 | 7.6 |
| Precipitation (mm) | 14 | 68 | 55 | 30 | 72 | 84 | 55 | 79 | 93 | 145 | 541 | 160 |
| Sunny days | 14 | 18 | 10 | 10 | 13 | 9 | 8 | 12 | 3 | 3 | 0 | 2 |
| Rainy days | 17 | 10 | 21 | 20 | 18 | 21 | 23 | 19 | 27 | 28 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Lālpettai is at