Average annual temperature is 27.6 °C
Absolute maximum temperature: 31.4 °C
Absolute minimum temperature: 23.0 °C
Number of sunny days: 64 days
Number of rainy days: 301 days
Look at detailed online map of Siaung
* Weather data for Siaung 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) | 30.4 | 29.4 | 29.2 | 31.1 | 31.3 | 31.4 | 30.2 | 30.5 | 30.5 | 31.3 | 30.4 | 30.3 |
| Average daytime temperature (°C) | 28.3 | 28.2 | 28.1 | 29.6 | 30.0 | 29.7 | 28.9 | 29.5 | 29.5 | 29.9 | 29.3 | 29.0 |
| Average temperature (°C) | 26.3 | 26.2 | 26.3 | 27.4 | 28.1 | 27.8 | 27.8 | 28.3 | 28.1 | 28.5 | 28.1 | 27.8 |
| Average night temperature (°C) | 24.2 | 24.1 | 24.1 | 25.1 | 25.8 | 25.6 | 26.6 | 27.3 | 27.0 | 27.3 | 26.8 | 26.6 |
| Absolute minimum temperature (°C) | 23.3 | 23.0 | 23.4 | 23.1 | 24.8 | 24.1 | 25.0 | 25.8 | 25.1 | 25.9 | 25.3 | 25.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.1 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 7.6 | 7.3 | 9.2 | 9.7 | 10.0 | 9.9 | 9.9 | 11.2 | 10.9 | 11.0 | 10.0 | 9.9 |
| Precipitation (mm) | 171 | 176 | 217 | 129 | 98 | 115 | 178 | 66 | 94 | 51 | 146 | 102 |
| Sunny days | 0 | 1 | 1 | 3 | 8 | 5 | 9 | 10 | 12 | 8 | 3 | 4 |
| Rainy days | 31 | 27 | 30 | 27 | 23 | 25 | 22 | 21 | 18 | 23 | 27 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siaung is at