Average annual temperature is 27.9 °C
Absolute maximum temperature: 40.0 °C
Absolute minimum temperature: 17.4 °C
Number of sunny days: 84 days
Number of rainy days: 281 days
Look at detailed online map of Ilavanūr
* Weather data for Ilavanūr 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 | 33.1 | 35.6 | 37.1 | 38.0 | 39.2 | 39.5 | 40.0 | 35.4 | 34.5 | 31.8 | 32.7 |
| Average daytime temperature (°C) | 29.6 | 30.7 | 33.2 | 35.1 | 34.4 | 35.6 | 34.9 | 35.9 | 33.2 | 32.3 | 29.6 | 29.1 |
| Average temperature (°C) | 24.4 | 24.6 | 27.8 | 29.6 | 29.7 | 30.3 | 29.7 | 30.0 | 28.8 | 27.8 | 25.7 | 25.8 |
| Average night temperature (°C) | 20.4 | 20.1 | 23.3 | 25.1 | 26.3 | 26.8 | 26.4 | 26.3 | 25.8 | 24.4 | 23.1 | 23.3 |
| Absolute minimum temperature (°C) | 17.9 | 17.4 | 20.8 | 22.9 | 23.5 | 25.1 | 24.8 | 24.6 | 23.9 | 22.9 | 21.1 | 21.4 |
| 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) | 9.9 | 10.0 | 11.0 | 11.1 | 9.6 | 9.7 | 8.3 | 11.2 | 9.9 | 10.1 | 6.8 | 7.4 |
| Precipitation (mm) | 12 | 55 | 42 | 50 | 96 | 90 | 49 | 132 | 199 | 264 | 581 | 123 |
| Sunny days | 19 | 21 | 12 | 9 | 12 | 4 | 3 | 2 | 0 | 0 | 0 | 2 |
| Rainy days | 12 | 7 | 19 | 21 | 19 | 26 | 28 | 29 | 30 | 31 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ilavanūr is at