Average annual temperature is 23.0 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: 4.4 °C
Number of sunny days: 101 days
Number of rainy days: 264 days
Look at detailed online map of San Wai
* Weather data for San Wai 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) | 26.3 | 28.1 | 29.2 | 30.5 | 36.2 | 34.4 | 36.1 | 34.8 | 32.7 | 33.4 | 29.8 | 29.0 |
| Average daytime temperature (°C) | 19.0 | 22.7 | 24.7 | 26.3 | 29.0 | 30.8 | 32.1 | 31.8 | 29.9 | 27.6 | 25.8 | 22.3 |
| Average temperature (°C) | 15.2 | 17.9 | 20.4 | 23.0 | 25.8 | 27.5 | 28.5 | 28.0 | 26.9 | 24.3 | 21.3 | 17.4 |
| Average night temperature (°C) | 11.5 | 14.1 | 17.5 | 20.4 | 23.3 | 25.2 | 25.6 | 25.3 | 24.7 | 21.5 | 17.5 | 13.2 |
| Absolute minimum temperature (°C) | 5.7 | 8.4 | 13.1 | 15.9 | 19.1 | 23.8 | 24.3 | 23.8 | 23.2 | 17.3 | 11.8 | 4.4 |
| 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) | 6.2 | 8.7 | 7.4 | 7.4 | 8.3 | 8.7 | 10.6 | 8.9 | 7.2 | 7.2 | 9.3 | 7.7 |
| Precipitation (mm) | 51 | 21 | 106 | 150 | 159 | 308 | 263 | 325 | 499 | 238 | 9 | 6 |
| Sunny days | 14 | 14 | 13 | 3 | 3 | 0 | 1 | 1 | 0 | 11 | 22 | 19 |
| Rainy days | 17 | 14 | 18 | 27 | 28 | 30 | 30 | 30 | 30 | 20 | 8 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit San Wai during the most sunny months:
The largest precipitation sum in San Wai is at