Average annual temperature is 28.1 °C
Absolute maximum temperature: 42.2 °C
Absolute minimum temperature: 16.1 °C
Number of sunny days: 132 days
Number of rainy days: 233 days
Look at detailed online map of Sillamandai
* Weather data for Sillamandai 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) | 30.2 | 35.0 | 37.0 | 40.3 | 42.2 | 41.8 | 36.4 | 38.0 | 36.0 | 34.4 | 32.5 | 31.6 |
| Average daytime temperature (°C) | 29.2 | 32.8 | 34.7 | 37.8 | 38.1 | 37.9 | 34.0 | 36.3 | 33.8 | 32.9 | 29.6 | 28.7 |
| Average temperature (°C) | 23.5 | 25.4 | 27.7 | 30.5 | 31.5 | 31.7 | 29.4 | 30.4 | 28.7 | 27.8 | 25.5 | 24.6 |
| Average night temperature (°C) | 18.7 | 18.8 | 22.2 | 24.6 | 26.6 | 27.5 | 26.2 | 26.0 | 25.3 | 23.8 | 22.8 | 21.1 |
| Absolute minimum temperature (°C) | 16.1 | 16.9 | 17.9 | 21.5 | 23.6 | 24.9 | 24.1 | 24.2 | 23.9 | 22.2 | 21.8 | 18.5 |
| 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 | 11.7 | 12.1 | 12.4 | 12.7 | 12.9 | 12.8 | 12.5 | 12.2 | 11.8 | 11.5 | 11.4 |
| 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) | 10.1 | 10.6 | 10.8 | 11.1 | 10.0 | 9.2 | 7.1 | 10.2 | 9.3 | 10.2 | 7.6 | 8.5 |
| Precipitation (mm) | 10 | 0 | 42 | 20 | 104 | 100 | 98 | 85 | 233 | 85 | 360 | 181 |
| Sunny days | 17 | 26 | 20 | 17 | 15 | 7 | 5 | 6 | 1 | 6 | 2 | 10 |
| Rainy days | 14 | 2 | 11 | 13 | 16 | 23 | 26 | 25 | 29 | 25 | 28 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sillamandai is at