Average annual temperature is 26.0 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: 19.4 °C
Number of sunny days: 83 days
Number of rainy days: 282 days
Look at detailed online map of Siwarak
* Weather data for Siwarak 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) | 30.7 | 29.1 | 30.4 | 30.3 | 31.9 | 31.6 | 31.7 | 33.3 | 33.7 | 34.4 | 33.1 | 32.8 |
| Average daytime temperature (°C) | 27.9 | 27.3 | 28.4 | 29.0 | 29.9 | 30.4 | 30.5 | 30.9 | 31.6 | 32.8 | 31.6 | 30.5 |
| Average temperature (°C) | 24.7 | 24.3 | 25.0 | 25.6 | 26.1 | 26.3 | 26.0 | 26.0 | 26.5 | 27.7 | 27.3 | 26.6 |
| Average night temperature (°C) | 22.2 | 22.2 | 22.0 | 22.7 | 22.5 | 22.7 | 21.7 | 21.3 | 22.0 | 23.2 | 23.6 | 23.1 |
| Absolute minimum temperature (°C) | 21.2 | 21.1 | 20.3 | 21.5 | 20.7 | 21.6 | 20.2 | 19.4 | 19.8 | 21.4 | 22.6 | 21.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.5 | 12.3 | 12.1 | 12.0 | 11.8 | 11.7 | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.7 | 6.0 | 9.7 | 10.0 | 10.5 | 10.7 | 10.4 | 10.9 | 11.0 | 11.1 | 10.7 | 10.1 |
| Precipitation (mm) | 546 | 624 | 459 | 334 | 121 | 77 | 41 | 4 | 12 | 58 | 154 | 277 |
| Sunny days | 0 | 0 | 0 | 1 | 6 | 5 | 17 | 23 | 17 | 9 | 3 | 2 |
| Rainy days | 31 | 28 | 31 | 29 | 25 | 25 | 14 | 8 | 13 | 22 | 27 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siwarak is at