Average annual temperature is 21.2 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: 2.7 °C
Number of sunny days: 99 days
Number of rainy days: 266 days
Look at detailed online map of Siu Om Shan
* Weather data for Siu Om Shan Hong Kong is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 24.4 | 26.6 | 27.4 | 29.0 | 34.2 | 32.7 | 34.8 | 32.7 | 31.1 | 31.9 | 28.3 | 27.4 |
| Average daytime temperature (°C) | 17.4 | 21.0 | 22.8 | 24.6 | 27.1 | 28.9 | 30.3 | 30.0 | 28.3 | 26.1 | 24.3 | 20.8 |
| Average temperature (°C) | 13.3 | 16.0 | 18.5 | 21.2 | 23.9 | 25.7 | 26.7 | 26.1 | 25.0 | 22.5 | 19.6 | 15.7 |
| Average night temperature (°C) | 9.7 | 12.2 | 15.6 | 18.6 | 21.7 | 23.5 | 23.8 | 23.5 | 22.8 | 19.6 | 15.6 | 11.4 |
| Absolute minimum temperature (°C) | 3.5 | 6.8 | 11.5 | 14.3 | 17.5 | 22.2 | 22.5 | 21.7 | 21.3 | 15.3 | 9.2 | 2.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.9 | 11.4 | 12.0 | 12.7 | 13.2 | 13.5 | 13.4 | 12.9 | 12.3 | 11.6 | 11.1 | 10.8 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.4 | 8.6 | 7.5 | 7.6 | 8.3 | 8.7 | 10.5 | 8.9 | 7.3 | 7.2 | 9.3 | 7.8 |
| Precipitation (mm) | 43 | 15 | 89 | 142 | 181 | 297 | 285 | 265 | 502 | 259 | 5 | 4 |
| Sunny days | 15 | 15 | 13 | 4 | 2 | 0 | 0 | 1 | 0 | 9 | 22 | 18 |
| Rainy days | 16 | 13 | 18 | 26 | 29 | 30 | 31 | 30 | 30 | 22 | 8 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Siu Om Shan during the most sunny months:
The largest precipitation sum in Siu Om Shan is at