Average annual temperature is 26.7 °C
Absolute maximum temperature: 38.5 °C
Absolute minimum temperature: 15.1 °C
Number of sunny days: 137 days
Number of rainy days: 228 days
Look at detailed online map of Onākkallūr
* Weather data for Onākkallūr 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) | 31.7 | 34.6 | 37.3 | 38.3 | 38.5 | 36.4 | 34.3 | 36.5 | 37.0 | 36.5 | 32.2 | 31.8 |
| Average daytime temperature (°C) | 29.9 | 32.5 | 34.5 | 35.8 | 35.1 | 34.4 | 31.7 | 34.7 | 33.3 | 32.7 | 29.1 | 29.2 |
| Average temperature (°C) | 23.1 | 24.6 | 27.3 | 28.5 | 28.7 | 29.1 | 27.5 | 28.7 | 27.5 | 26.5 | 24.4 | 24.4 |
| Average night temperature (°C) | 17.2 | 17.4 | 20.9 | 22.5 | 23.9 | 24.9 | 24.5 | 23.9 | 23.4 | 22.0 | 20.7 | 20.0 |
| Absolute minimum temperature (°C) | 15.1 | 15.5 | 17.2 | 21.2 | 22.2 | 23.5 | 22.3 | 22.2 | 21.9 | 20.9 | 17.8 | 16.5 |
| 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) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 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) | 10.3 | 10.3 | 11.2 | 10.8 | 10.0 | 10.1 | 9.1 | 11.5 | 10.2 | 10.2 | 9.0 | 8.5 |
| Precipitation (mm) | 12 | 16 | 47 | 54 | 79 | 16 | 114 | 35 | 61 | 249 | 378 | 98 |
| Sunny days | 24 | 24 | 20 | 13 | 5 | 9 | 10 | 16 | 1 | 5 | 3 | 7 |
| Rainy days | 7 | 4 | 11 | 17 | 26 | 21 | 21 | 15 | 29 | 26 | 27 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Onākkallūr is at