Average annual temperature is 28.1 °C
Absolute maximum temperature: 40.6 °C
Absolute minimum temperature: 18.5 °C
Number of sunny days: 99 days
Number of rainy days: 266 days
Look at detailed online map of Ālālasundaram
* Weather data for Ālālasundaram 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) | 29.1 | 31.0 | 34.3 | 38.2 | 40.3 | 40.6 | 39.3 | 39.8 | 36.0 | 36.8 | 30.6 | 33.4 |
| Average daytime temperature (°C) | 28.0 | 29.1 | 31.8 | 34.5 | 36.6 | 36.6 | 35.5 | 36.5 | 34.9 | 33.1 | 28.6 | 28.4 |
| Average temperature (°C) | 24.5 | 24.5 | 27.3 | 29.0 | 30.8 | 31.1 | 30.3 | 30.4 | 29.3 | 28.2 | 25.7 | 25.7 |
| Average night temperature (°C) | 21.2 | 20.6 | 23.5 | 24.8 | 26.4 | 27.1 | 26.4 | 26.3 | 25.9 | 24.5 | 23.3 | 23.4 |
| Absolute minimum temperature (°C) | 18.5 | 18.5 | 21.5 | 22.6 | 23.8 | 24.2 | 24.2 | 24.4 | 24.4 | 23.3 | 20.8 | 21.4 |
| 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) | 11.5 | 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 | 11.0 | 9.9 | 9.8 | 7.8 | 10.9 | 10.1 | 10.6 | 6.7 | 7.9 |
| Precipitation (mm) | 22 | 62 | 52 | 41 | 63 | 129 | 52 | 95 | 98 | 184 | 564 | 172 |
| Sunny days | 14 | 17 | 10 | 14 | 17 | 6 | 7 | 7 | 3 | 1 | 0 | 3 |
| Rainy days | 17 | 11 | 21 | 16 | 14 | 24 | 24 | 24 | 27 | 30 | 30 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ālālasundaram is at