Average annual temperature is 26.8 °C
Absolute maximum temperature: 38.8 °C
Absolute minimum temperature: 14.3 °C
Number of sunny days: 145 days
Number of rainy days: 220 days
Look at detailed online map of Onnakarai
* Weather data for Onnakarai 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) | 30.8 | 34.7 | 37.6 | 38.8 | 37.6 | 38.3 | 35.5 | 37.0 | 34.4 | 34.5 | 31.6 | 32.9 |
| Average daytime temperature (°C) | 28.3 | 32.0 | 34.1 | 36.4 | 35.3 | 35.4 | 32.7 | 35.3 | 32.5 | 32.7 | 29.6 | 29.7 |
| Average temperature (°C) | 22.1 | 24.4 | 26.9 | 29.3 | 29.1 | 29.5 | 27.7 | 29.2 | 27.2 | 26.9 | 24.6 | 24.3 |
| Average night temperature (°C) | 16.5 | 17.5 | 20.4 | 23.1 | 24.2 | 25.1 | 24.1 | 24.3 | 23.4 | 22.0 | 21.2 | 20.1 |
| Absolute minimum temperature (°C) | 14.3 | 16.1 | 15.9 | 20.9 | 22.1 | 23.4 | 22.5 | 22.6 | 21.9 | 19.7 | 19.3 | 17.2 |
| 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) | 9.6 | 10.1 | 11.0 | 11.2 | 9.9 | 9.3 | 7.7 | 10.5 | 9.3 | 10.3 | 8.9 | 8.3 |
| Precipitation (mm) | 6 | 1 | 37 | 38 | 145 | 89 | 121 | 109 | 180 | 108 | 204 | 28 |
| Sunny days | 22 | 27 | 21 | 19 | 7 | 4 | 4 | 14 | 2 | 10 | 4 | 11 |
| Rainy days | 9 | 1 | 10 | 11 | 24 | 26 | 27 | 17 | 28 | 21 | 26 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Onnakarai is at