Average annual temperature is 22.8 °C
Absolute maximum temperature: 31.2 °C
Absolute minimum temperature: 16.5 °C
Number of sunny days: 9 days
Number of rainy days: 356 days
Look at detailed online map of Silalahi
* Weather data for Silalahi Indonesia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 26.9 | 27.3 | 28.3 | 28.7 | 31.1 | 30.7 | 31.2 | 30.5 | 28.6 | 28.2 | 28.1 | 28.0 |
| Average daytime temperature (°C) | 25.8 | 26.2 | 26.6 | 27.2 | 28.0 | 27.7 | 27.7 | 27.0 | 27.1 | 26.9 | 26.6 | 26.5 |
| Average temperature (°C) | 21.8 | 21.9 | 22.2 | 22.9 | 23.5 | 23.4 | 23.3 | 22.9 | 23.1 | 22.8 | 22.7 | 22.8 |
| Average night temperature (°C) | 18.9 | 18.7 | 18.7 | 19.6 | 20.2 | 20.0 | 19.9 | 20.0 | 20.1 | 19.9 | 20.1 | 20.3 |
| Absolute minimum temperature (°C) | 16.6 | 16.5 | 17.2 | 16.8 | 19.1 | 17.8 | 18.3 | 18.4 | 18.7 | 18.7 | 19.0 | 19.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 |
| Daylight mean duration (h) | 12.0 | 12.0 | 12.1 | 12.2 | 12.2 | 12.3 | 12.3 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 |
| Daylight minimum 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 |
| Sunshine mean duration (h) | 8.1 | 9.0 | 8.5 | 8.3 | 8.5 | 8.7 | 8.4 | 7.8 | 7.7 | 7.3 | 6.3 | 8.0 |
| Precipitation (mm) | 300 | 287 | 240 | 202 | 265 | 210 | 218 | 382 | 290 | 289 | 408 | 375 |
| Sunny days | 0 | 0 | 0 | 0 | 0 | 3 | 5 | 0 | 1 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 31 | 27 | 26 | 31 | 29 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Silalahi is at