Average annual temperature is 28.4 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: 18.4 °C
Number of sunny days: 83 days
Number of rainy days: 282 days
Look at detailed online map of Ilaiyankudi
* Weather data for Ilaiyankudi 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) | 32.0 | 34.1 | 37.1 | 39.4 | 39.6 | 40.8 | 39.7 | 40.2 | 37.5 | 35.9 | 32.0 | 32.5 |
| Average daytime temperature (°C) | 30.0 | 31.1 | 34.1 | 36.3 | 35.8 | 38.2 | 36.7 | 37.8 | 35.6 | 33.3 | 30.1 | 29.5 |
| Average temperature (°C) | 24.9 | 25.3 | 28.3 | 30.0 | 29.9 | 31.2 | 30.5 | 30.6 | 29.5 | 28.1 | 26.0 | 26.0 |
| Average night temperature (°C) | 20.7 | 20.6 | 23.7 | 25.2 | 25.8 | 27.1 | 26.5 | 26.3 | 25.9 | 24.4 | 23.2 | 23.3 |
| Absolute minimum temperature (°C) | 19.0 | 18.4 | 21.1 | 23.9 | 23.8 | 25.3 | 24.7 | 24.5 | 24.6 | 22.7 | 22.1 | 21.7 |
| 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 | 12.3 | 12.6 | 12.7 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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) | 10.0 | 10.1 | 11.1 | 11.2 | 9.4 | 9.8 | 8.9 | 11.2 | 10.2 | 10.3 | 7.7 | 8.0 |
| Precipitation (mm) | 14 | 49 | 25 | 43 | 136 | 77 | 40 | 142 | 119 | 251 | 443 | 140 |
| Sunny days | 22 | 20 | 10 | 10 | 6 | 4 | 4 | 1 | 1 | 2 | 0 | 3 |
| Rainy days | 9 | 8 | 21 | 20 | 25 | 26 | 27 | 30 | 29 | 29 | 30 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ilaiyankudi is at