Average annual temperature is 26.8 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: 15.1 °C
Number of sunny days: 143 days
Number of rainy days: 222 days
Look at detailed online map of Chengam
* Weather data for Chengam 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 | 34.1 | 35.7 | 38.4 | 37.8 | 37.8 | 35.9 | 36.9 | 34.4 | 35.1 | 31.2 | 32.2 |
| Average daytime temperature (°C) | 28.1 | 31.9 | 33.3 | 35.5 | 35.1 | 34.8 | 33.0 | 35.1 | 32.6 | 32.1 | 28.9 | 28.6 |
| Average temperature (°C) | 22.5 | 24.8 | 26.7 | 29.0 | 29.1 | 29.2 | 28.1 | 29.2 | 27.3 | 26.8 | 24.6 | 24.1 |
| Average night temperature (°C) | 17.5 | 18.1 | 20.9 | 23.4 | 24.3 | 25.2 | 24.5 | 24.4 | 23.6 | 22.4 | 21.5 | 20.3 |
| Absolute minimum temperature (°C) | 15.1 | 16.9 | 17.9 | 21.2 | 22.8 | 23.7 | 23.1 | 23.2 | 22.7 | 20.3 | 19.8 | 17.8 |
| 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) | 10.2 | 10.5 | 11.1 | 11.2 | 10.1 | 9.2 | 7.7 | 10.6 | 9.2 | 10.6 | 9.1 | 9.0 |
| Precipitation (mm) | 4 | 0 | 73 | 27 | 141 | 114 | 71 | 116 | 204 | 87 | 191 | 50 |
| Sunny days | 26 | 27 | 18 | 15 | 6 | 5 | 6 | 10 | 3 | 5 | 5 | 17 |
| Rainy days | 5 | 1 | 13 | 15 | 25 | 25 | 25 | 21 | 27 | 26 | 25 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Chengam is at