Average annual temperature is 28.5 °C
Absolute maximum temperature: 41.8 °C
Absolute minimum temperature: 17.5 °C
Number of sunny days: 116 days
Number of rainy days: 249 days
Look at detailed online map of Idaiyāttankudi
* Weather data for Idaiyāttankudi 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) | 31.2 | 35.1 | 36.5 | 40.6 | 40.5 | 41.8 | 40.0 | 40.8 | 37.1 | 36.2 | 31.7 | 32.9 |
| Average daytime temperature (°C) | 29.7 | 32.0 | 34.5 | 37.3 | 37.0 | 37.9 | 36.6 | 37.3 | 34.5 | 33.5 | 29.7 | 29.1 |
| Average temperature (°C) | 24.4 | 25.3 | 28.1 | 30.4 | 30.8 | 31.6 | 30.8 | 31.1 | 29.1 | 28.2 | 25.7 | 25.6 |
| Average night temperature (°C) | 20.1 | 20.1 | 23.1 | 24.8 | 26.2 | 27.4 | 26.5 | 26.3 | 25.7 | 24.3 | 23.0 | 22.7 |
| Absolute minimum temperature (°C) | 17.7 | 17.5 | 20.8 | 22.3 | 24.0 | 25.2 | 24.4 | 24.6 | 24.1 | 22.7 | 21.1 | 20.2 |
| 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 | 12.4 | 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) | 9.9 | 9.8 | 10.9 | 10.9 | 9.7 | 9.7 | 7.8 | 10.6 | 9.7 | 10.3 | 7.2 | 7.4 |
| Precipitation (mm) | 5 | 54 | 42 | 48 | 135 | 64 | 49 | 110 | 141 | 156 | 433 | 86 |
| Sunny days | 19 | 21 | 12 | 17 | 12 | 7 | 7 | 11 | 3 | 4 | 0 | 3 |
| Rainy days | 12 | 7 | 19 | 13 | 19 | 23 | 24 | 20 | 27 | 27 | 30 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Idaiyāttankudi is at