Average annual temperature is 23.0 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: 14.2 °C
Number of sunny days: 90 days
Number of rainy days: 275 days
Look at detailed online map of Idukki
* Weather data for Idukki 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 | 32.7 | 34.4 | 34.7 | 29.7 | 29.2 | 27.2 | 28.9 | 28.6 | 28.7 | 29.6 | 29.1 |
| Average daytime temperature (°C) | 28.9 | 30.7 | 31.5 | 31.3 | 27.9 | 26.4 | 24.5 | 27.1 | 25.0 | 27.3 | 27.8 | 27.5 |
| Average temperature (°C) | 22.1 | 22.9 | 24.5 | 24.9 | 23.9 | 22.8 | 21.8 | 22.9 | 21.8 | 22.8 | 23.0 | 22.9 |
| Average night temperature (°C) | 16.6 | 15.9 | 18.9 | 20.0 | 21.2 | 20.3 | 20.2 | 19.8 | 20.1 | 19.7 | 19.5 | 19.2 |
| Absolute minimum temperature (°C) | 14.2 | 14.5 | 16.8 | 17.9 | 20.1 | 19.4 | 19.3 | 18.0 | 19.4 | 18.2 | 17.1 | 15.9 |
| 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) | 10.6 | 10.5 | 11.2 | 10.7 | 8.3 | 8.2 | 5.4 | 10.4 | 5.3 | 8.7 | 8.3 | 9.1 |
| Precipitation (mm) | 24 | 13 | 63 | 111 | 179 | 277 | 671 | 164 | 694 | 387 | 220 | 99 |
| Sunny days | 27 | 23 | 16 | 7 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 13 |
| Rainy days | 4 | 5 | 15 | 23 | 31 | 30 | 31 | 30 | 30 | 30 | 28 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Idukki during the most sunny months:
The largest precipitation sum in Idukki is at