Average annual temperature is 28.1 °C
Absolute maximum temperature: 40.7 °C
Absolute minimum temperature: 18.0 °C
Number of sunny days: 87 days
Number of rainy days: 278 days
Look at detailed online map of Cholanpettai
* Weather data for Cholanpettai 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) | 29.9 | 32.7 | 36.3 | 39.7 | 39.4 | 40.7 | 38.5 | 39.2 | 36.8 | 36.2 | 31.8 | 34.2 |
| Average daytime temperature (°C) | 28.8 | 30.5 | 33.2 | 35.8 | 36.5 | 36.7 | 35.5 | 36.9 | 35.0 | 33.4 | 29.5 | 29.0 |
| Average temperature (°C) | 24.3 | 24.7 | 27.5 | 29.4 | 30.5 | 31.0 | 30.2 | 30.5 | 29.3 | 28.2 | 25.7 | 25.7 |
| Average night temperature (°C) | 20.5 | 20.1 | 23.2 | 24.8 | 26.4 | 27.3 | 26.6 | 26.4 | 26.0 | 24.6 | 23.2 | 23.1 |
| Absolute minimum temperature (°C) | 18.3 | 18.0 | 20.8 | 22.5 | 23.8 | 25.1 | 24.5 | 24.5 | 24.7 | 23.1 | 20.9 | 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 | 12.8 | 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) | 9.6 | 9.9 | 11.0 | 10.9 | 9.4 | 9.8 | 7.9 | 10.7 | 10.0 | 10.4 | 6.5 | 7.5 |
| Precipitation (mm) | 15 | 66 | 58 | 44 | 63 | 58 | 69 | 124 | 131 | 239 | 597 | 125 |
| Sunny days | 13 | 21 | 8 | 11 | 10 | 7 | 7 | 6 | 1 | 1 | 0 | 2 |
| Rainy days | 18 | 7 | 23 | 19 | 21 | 23 | 24 | 25 | 29 | 30 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Cholanpettai is at