Average annual temperature is 28.1 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: 17.5 °C
Number of sunny days: 107 days
Number of rainy days: 258 days
Look at detailed online map of Ilaiyaperumālnallūr
* Weather data for Ilaiyaperumālnallūr 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) | 29.9 | 33.2 | 36.1 | 39.0 | 40.0 | 40.5 | 39.3 | 40.0 | 36.8 | 35.6 | 31.4 | 32.8 |
| Average daytime temperature (°C) | 28.9 | 30.6 | 33.4 | 36.2 | 36.3 | 36.7 | 35.8 | 37.0 | 34.7 | 33.2 | 29.1 | 28.7 |
| Average temperature (°C) | 24.0 | 24.5 | 27.4 | 29.6 | 30.6 | 31.2 | 30.5 | 30.8 | 29.3 | 28.2 | 25.6 | 25.4 |
| Average night temperature (°C) | 20.3 | 20.0 | 23.0 | 24.6 | 26.2 | 27.2 | 26.5 | 26.2 | 25.9 | 24.4 | 23.2 | 22.8 |
| Absolute minimum temperature (°C) | 17.5 | 17.8 | 20.7 | 22.0 | 24.0 | 25.3 | 24.4 | 24.6 | 24.4 | 23.0 | 20.8 | 20.4 |
| 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) | 11.5 | 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) | 9.6 | 9.6 | 10.9 | 10.9 | 9.6 | 9.8 | 7.8 | 10.8 | 9.9 | 10.5 | 7.2 | 7.7 |
| Precipitation (mm) | 8 | 66 | 50 | 29 | 79 | 66 | 58 | 114 | 95 | 166 | 497 | 131 |
| Sunny days | 16 | 19 | 11 | 12 | 11 | 11 | 10 | 8 | 2 | 5 | 0 | 2 |
| Rainy days | 15 | 9 | 20 | 18 | 20 | 19 | 21 | 23 | 28 | 26 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ilaiyaperumālnallūr is at