Average annual temperature is 28.3 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: 18.0 °C
Number of sunny days: 80 days
Number of rainy days: 285 days
Look at detailed online map of Idaiyankudi
* Weather data for Idaiyankudi 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) | 32.1 | 33.7 | 36.6 | 39.1 | 39.2 | 40.3 | 40.0 | 40.0 | 37.7 | 35.6 | 32.2 | 32.3 |
| Average daytime temperature (°C) | 29.9 | 31.0 | 33.7 | 35.8 | 35.4 | 38.0 | 36.6 | 37.4 | 35.6 | 33.2 | 30.2 | 29.6 |
| Average temperature (°C) | 24.7 | 25.2 | 28.1 | 29.8 | 29.8 | 31.2 | 30.5 | 30.3 | 29.5 | 28.1 | 26.0 | 26.0 |
| Average night temperature (°C) | 20.6 | 20.5 | 23.6 | 25.2 | 25.8 | 27.0 | 26.4 | 26.1 | 25.8 | 24.4 | 23.2 | 23.2 |
| Absolute minimum temperature (°C) | 18.6 | 18.0 | 20.8 | 23.9 | 23.7 | 24.9 | 24.6 | 24.3 | 24.4 | 22.8 | 22.0 | 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) | 9.9 | 10.1 | 11.1 | 11.2 | 9.3 | 9.8 | 8.9 | 11.3 | 10.3 | 10.3 | 7.7 | 8.0 |
| Precipitation (mm) | 15 | 40 | 20 | 52 | 138 | 64 | 50 | 114 | 149 | 247 | 456 | 130 |
| Sunny days | 22 | 20 | 8 | 12 | 7 | 1 | 4 | 1 | 1 | 2 | 0 | 2 |
| Rainy days | 9 | 8 | 23 | 18 | 24 | 29 | 27 | 30 | 29 | 29 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Idaiyankudi is at