Average annual temperature is 28.9 °C
Absolute maximum temperature: 42.7 °C
Absolute minimum temperature: 18.9 °C
Number of sunny days: 119 days
Number of rainy days: 246 days
Look at detailed online map of Sundankulam
* Weather data for Sundankulam 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) | 34.8 | 37.6 | 39.5 | 41.2 | 42.7 | 41.3 | 38.8 | 40.9 | 38.0 | 37.8 | 32.1 | 33.6 |
| Average daytime temperature (°C) | 32.7 | 34.0 | 36.8 | 37.7 | 37.8 | 38.5 | 35.5 | 38.8 | 35.0 | 34.0 | 30.2 | 29.9 |
| Average temperature (°C) | 26.3 | 27.0 | 29.6 | 30.5 | 31.0 | 31.9 | 30.2 | 31.4 | 29.0 | 27.8 | 25.6 | 25.9 |
| Average night temperature (°C) | 21.0 | 20.8 | 24.3 | 25.4 | 26.3 | 26.9 | 26.1 | 25.9 | 24.9 | 23.7 | 22.5 | 22.4 |
| Absolute minimum temperature (°C) | 19.0 | 18.9 | 21.6 | 23.2 | 23.8 | 24.8 | 23.5 | 24.5 | 23.2 | 21.8 | 20.9 | 20.0 |
| 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) | 11.6 | 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) | 10.2 | 10.4 | 10.8 | 10.6 | 9.6 | 10.2 | 8.7 | 10.9 | 9.1 | 9.8 | 7.9 | 8.8 |
| Precipitation (mm) | 16 | 30 | 39 | 79 | 69 | 21 | 75 | 75 | 118 | 250 | 372 | 161 |
| Sunny days | 28 | 24 | 13 | 11 | 5 | 5 | 10 | 12 | 0 | 2 | 2 | 7 |
| Rainy days | 3 | 4 | 18 | 19 | 26 | 25 | 21 | 19 | 30 | 29 | 28 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sundankulam is at