Average annual temperature is 27.1 °C
Absolute maximum temperature: 35.0 °C
Absolute minimum temperature: 22.2 °C
Number of sunny days: 68 days
Number of rainy days: 297 days
Look at detailed online map of Siiyang
* Weather data for Siiyang 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) | 31.0 | 31.4 | 30.9 | 31.6 | 31.6 | 32.2 | 32.1 | 33.3 | 34.5 | 35.0 | 32.8 | 32.9 |
| Average daytime temperature (°C) | 29.1 | 29.3 | 29.3 | 30.2 | 30.7 | 30.3 | 29.9 | 31.8 | 32.6 | 33.1 | 31.2 | 30.9 |
| Average temperature (°C) | 26.3 | 26.9 | 26.4 | 27.0 | 27.4 | 26.9 | 26.5 | 27.4 | 27.6 | 28.1 | 27.3 | 27.5 |
| Average night temperature (°C) | 24.3 | 25.0 | 24.3 | 24.7 | 25.2 | 24.7 | 23.9 | 23.9 | 23.9 | 24.4 | 24.7 | 25.0 |
| Absolute minimum temperature (°C) | 23.0 | 23.7 | 23.3 | 23.7 | 24.4 | 23.5 | 23.3 | 22.2 | 22.8 | 23.5 | 23.4 | 23.3 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.3 | 12.2 | 12.1 | 12.0 | 12.0 | 11.9 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.3 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.6 | 8.6 | 9.1 | 9.2 | 9.8 | 9.6 | 10.0 | 11.1 | 10.9 | 11.1 | 9.9 | 10.3 |
| Precipitation (mm) | 316 | 156 | 289 | 190 | 104 | 126 | 107 | 18 | 36 | 52 | 300 | 187 |
| Sunny days | 3 | 4 | 1 | 0 | 5 | 3 | 10 | 17 | 18 | 4 | 0 | 3 |
| Rainy days | 28 | 24 | 30 | 30 | 26 | 27 | 21 | 14 | 12 | 27 | 30 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siiyang is at