Average annual temperature is 28.0 °C
Absolute maximum temperature: 40.7 °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 Jānakipettai
* Weather data for Jānakipettai 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) | 30.4 | 33.3 | 35.3 | 39.3 | 39.8 | 40.7 | 37.2 | 38.0 | 35.4 | 35.4 | 32.1 | 32.1 |
| Average daytime temperature (°C) | 29.1 | 31.4 | 33.4 | 35.9 | 36.5 | 35.9 | 34.2 | 36.1 | 33.6 | 33.1 | 29.5 | 29.2 |
| Average temperature (°C) | 24.0 | 24.8 | 27.3 | 29.4 | 30.7 | 31.0 | 29.8 | 30.5 | 29.0 | 28.2 | 25.7 | 25.4 |
| Average night temperature (°C) | 19.9 | 19.6 | 22.8 | 24.5 | 26.5 | 27.2 | 26.6 | 26.3 | 25.6 | 24.2 | 23.2 | 22.2 |
| Absolute minimum temperature (°C) | 17.1 | 17.2 | 19.9 | 21.0 | 23.5 | 24.2 | 25.0 | 24.5 | 24.7 | 22.9 | 20.8 | 19.7 |
| 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 | 11.7 | 12.1 | 12.4 | 12.7 | 12.8 | 12.8 | 12.5 | 12.2 | 11.9 | 11.6 | 11.4 |
| 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 | 9.9 | 10.8 | 11.1 | 10.1 | 9.2 | 7.5 | 10.3 | 9.8 | 10.1 | 6.7 | 8.2 |
| Precipitation (mm) | 9 | 11 | 69 | 25 | 89 | 125 | 79 | 84 | 123 | 134 | 390 | 155 |
| Sunny days | 17 | 23 | 15 | 17 | 14 | 9 | 8 | 6 | 5 | 5 | 1 | 4 |
| Rainy days | 14 | 5 | 16 | 13 | 17 | 21 | 23 | 25 | 25 | 26 | 29 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Jānakipettai is at