Average annual temperature is 28.0 °C
Absolute maximum temperature: 40.7 °C
Absolute minimum temperature: 17.9 °C
Number of sunny days: 82 days
Number of rainy days: 283 days
Look at detailed online map of Rettaikkudi
* Weather data for Rettaikkudi 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) | 29.6 | 31.1 | 35.2 | 39.3 | 39.1 | 40.7 | 39.3 | 39.7 | 36.4 | 37.0 | 31.0 | 32.7 |
| Average daytime temperature (°C) | 28.3 | 29.0 | 32.2 | 35.0 | 35.8 | 36.8 | 36.0 | 36.7 | 34.6 | 33.1 | 28.8 | 28.6 |
| Average temperature (°C) | 24.3 | 24.3 | 27.4 | 29.3 | 30.2 | 30.9 | 30.3 | 30.3 | 29.2 | 28.2 | 25.7 | 25.7 |
| Average night temperature (°C) | 20.6 | 20.3 | 23.1 | 24.9 | 26.2 | 27.1 | 26.7 | 26.4 | 25.9 | 24.5 | 23.2 | 23.2 |
| Absolute minimum temperature (°C) | 18.0 | 17.9 | 21.0 | 22.4 | 23.7 | 24.6 | 24.5 | 24.1 | 24.1 | 23.1 | 21.3 | 21.3 |
| 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) | 9.7 | 10.0 | 11.1 | 11.2 | 9.5 | 9.8 | 8.2 | 10.9 | 10.0 | 10.5 | 6.9 | 8.1 |
| Precipitation (mm) | 20 | 78 | 50 | 35 | 98 | 85 | 98 | 154 | 145 | 258 | 641 | 143 |
| Sunny days | 13 | 19 | 12 | 11 | 14 | 5 | 2 | 4 | 0 | 0 | 0 | 2 |
| Rainy days | 18 | 9 | 19 | 19 | 17 | 25 | 29 | 27 | 30 | 31 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rettaikkudi is at