Average annual temperature is 27.4 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: 20.5 °C
Number of sunny days: 165 days
Number of rainy days: 200 days
Look at detailed online map of Siwalam Dua
* Weather data for Siwalam Dua 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) | 32.3 | 32.4 | 31.7 | 32.1 | 32.3 | 32.6 | 33.0 | 33.0 | 34.4 | 36.5 | 36.4 | 35.3 |
| Average daytime temperature (°C) | 30.7 | 30.1 | 30.3 | 30.3 | 30.3 | 31.0 | 31.3 | 31.6 | 32.7 | 34.5 | 34.8 | 33.1 |
| Average temperature (°C) | 26.3 | 25.8 | 26.4 | 26.9 | 27.3 | 27.6 | 26.9 | 27.2 | 27.8 | 29.6 | 29.5 | 28.0 |
| Average night temperature (°C) | 23.9 | 23.7 | 23.8 | 24.5 | 24.1 | 23.9 | 22.6 | 22.5 | 22.7 | 24.6 | 25.1 | 24.5 |
| Absolute minimum temperature (°C) | 23.1 | 22.7 | 22.5 | 23.0 | 22.9 | 22.9 | 20.5 | 21.1 | 21.0 | 23.5 | 23.4 | 23.7 |
| 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 | 11.9 | 11.8 | 11.7 | 11.7 | 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) | 9.5 | 7.8 | 9.9 | 9.7 | 10.3 | 10.9 | 10.7 | 11.0 | 11.1 | 11.5 | 11.1 | 10.6 |
| Precipitation (mm) | 268 | 390 | 347 | 298 | 70 | 3 | 40 | 1 | 0 | 0 | 75 | 270 |
| Sunny days | 0 | 0 | 0 | 2 | 21 | 22 | 22 | 28 | 28 | 30 | 11 | 1 |
| Rainy days | 31 | 28 | 31 | 28 | 10 | 8 | 9 | 3 | 2 | 1 | 19 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siwalam Dua is at