Average annual temperature is 28.1 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: 18.0 °C
Number of sunny days: 85 days
Number of rainy days: 280 days
Look at detailed online map of Ilaiyālūr
* Weather data for Ilaiyālūr 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) | 29.4 | 31.5 | 35.3 | 39.3 | 40.0 | 40.5 | 38.0 | 38.6 | 36.8 | 36.2 | 31.2 | 33.6 |
| Average daytime temperature (°C) | 28.4 | 29.7 | 32.5 | 35.0 | 36.6 | 36.9 | 35.3 | 36.5 | 34.9 | 33.1 | 29.1 | 28.7 |
| Average temperature (°C) | 24.4 | 24.7 | 27.4 | 29.2 | 30.6 | 31.1 | 30.2 | 30.3 | 29.4 | 28.2 | 25.7 | 25.7 |
| Average night temperature (°C) | 20.7 | 20.3 | 23.4 | 24.9 | 26.4 | 27.3 | 26.7 | 26.4 | 26.1 | 24.5 | 23.1 | 23.1 |
| Absolute minimum temperature (°C) | 18.4 | 18.0 | 21.8 | 22.7 | 23.8 | 25.0 | 24.5 | 24.3 | 24.6 | 23.4 | 21.1 | 20.7 |
| 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) | 9.7 | 10.0 | 11.1 | 11.1 | 9.6 | 9.9 | 8.0 | 10.9 | 10.1 | 10.5 | 6.9 | 7.9 |
| Precipitation (mm) | 17 | 70 | 56 | 48 | 66 | 76 | 60 | 145 | 148 | 242 | 569 | 148 |
| Sunny days | 12 | 21 | 9 | 10 | 11 | 7 | 8 | 4 | 1 | 0 | 0 | 2 |
| Rainy days | 19 | 7 | 22 | 20 | 20 | 23 | 23 | 27 | 29 | 31 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ilaiyālūr is at