Average annual temperature is 28.6 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: 19.1 °C
Number of sunny days: 95 days
Number of rainy days: 270 days
Look at detailed online map of Idaiyarkudi
* Weather data for Idaiyarkudi 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) | 31.6 | 32.3 | 35.2 | 37.6 | 40.4 | 40.8 | 39.6 | 40.3 | 38.7 | 35.8 | 31.5 | 32.0 |
| Average daytime temperature (°C) | 29.0 | 29.2 | 32.2 | 34.3 | 36.1 | 38.7 | 36.7 | 37.7 | 35.7 | 32.7 | 29.7 | 29.2 |
| Average temperature (°C) | 25.4 | 25.6 | 28.1 | 29.5 | 30.7 | 32.2 | 30.9 | 31.2 | 29.3 | 27.7 | 25.9 | 26.1 |
| Average night temperature (°C) | 21.8 | 21.6 | 24.0 | 24.8 | 26.0 | 27.0 | 26.0 | 25.9 | 24.7 | 23.8 | 23.0 | 23.3 |
| Absolute minimum temperature (°C) | 20.2 | 19.1 | 22.2 | 23.4 | 24.5 | 24.8 | 23.9 | 23.9 | 23.5 | 22.6 | 22.1 | 22.0 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 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) | 10.3 | 10.3 | 11.1 | 11.1 | 9.9 | 10.7 | 9.5 | 11.4 | 10.3 | 9.9 | 8.5 | 8.1 |
| Precipitation (mm) | 16 | 67 | 47 | 67 | 63 | 24 | 25 | 30 | 126 | 181 | 420 | 463 |
| Sunny days | 24 | 16 | 7 | 8 | 9 | 7 | 11 | 7 | 2 | 2 | 0 | 2 |
| Rainy days | 7 | 12 | 24 | 22 | 22 | 23 | 20 | 24 | 28 | 29 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Idaiyarkudi is at