Average annual temperature is 28.2 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: 17.1 °C
Number of sunny days: 131 days
Number of rainy days: 234 days
Look at detailed online map of Idaikkal
* Weather data for Idaikkal 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) | 30.6 | 34.6 | 35.9 | 39.4 | 38.6 | 40.1 | 38.0 | 39.2 | 35.7 | 36.2 | 32.2 | 31.9 |
| Average daytime temperature (°C) | 29.2 | 32.0 | 34.2 | 36.7 | 36.2 | 35.8 | 34.9 | 36.9 | 33.8 | 34.0 | 29.6 | 29.1 |
| Average temperature (°C) | 24.0 | 25.3 | 27.6 | 29.7 | 30.6 | 30.8 | 30.0 | 31.1 | 28.9 | 28.7 | 25.6 | 25.4 |
| Average night temperature (°C) | 19.7 | 19.6 | 22.8 | 24.2 | 26.0 | 26.7 | 26.1 | 26.3 | 25.3 | 24.4 | 23.0 | 22.3 |
| Absolute minimum temperature (°C) | 17.3 | 17.1 | 20.0 | 21.7 | 23.5 | 25.1 | 24.3 | 24.6 | 24.3 | 22.9 | 20.8 | 19.6 |
| 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 | 12.7 | 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) | 9.8 | 9.9 | 10.9 | 11.1 | 10.1 | 9.5 | 8.0 | 10.7 | 9.7 | 10.3 | 7.2 | 8.0 |
| Precipitation (mm) | 5 | 10 | 35 | 52 | 92 | 71 | 86 | 68 | 162 | 124 | 343 | 63 |
| Sunny days | 20 | 24 | 18 | 15 | 14 | 7 | 7 | 8 | 2 | 6 | 3 | 7 |
| Rainy days | 11 | 4 | 13 | 15 | 17 | 23 | 24 | 23 | 28 | 25 | 27 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Idaikkal is at