Average annual temperature is 23.7 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: 6.5 °C
Number of sunny days: 117 days
Number of rainy days: 248 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) | 24.1 | 28.5 | 27.4 | 29.9 | 35.7 | 33.6 | 36.1 | 32.8 | 31.6 | 32.2 | 28.8 | 26.5 |
| Average daytime temperature (°C) | 19.3 | 23.2 | 24.8 | 26.3 | 28.9 | 30.4 | 31.1 | 30.6 | 29.6 | 27.6 | 25.4 | 21.3 |
| Average temperature (°C) | 15.8 | 18.7 | 21.0 | 23.4 | 26.2 | 28.2 | 29.2 | 28.6 | 27.6 | 25.1 | 22.4 | 18.0 |
| Average night temperature (°C) | 12.4 | 15.0 | 18.3 | 21.0 | 24.2 | 26.3 | 27.6 | 26.7 | 26.0 | 22.8 | 19.3 | 14.5 |
| Absolute minimum temperature (°C) | 6.9 | 10.0 | 14.2 | 16.8 | 20.3 | 25.1 | 25.8 | 25.0 | 24.4 | 18.8 | 14.3 | 6.5 |
| 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) | 6.6 | 9.1 | 8.0 | 8.5 | 8.9 | 9.2 | 10.7 | 9.1 | 7.7 | 7.2 | 9.1 | 7.9 |
| Precipitation (mm) | 34 | 19 | 74 | 119 | 136 | 261 | 218 | 299 | 555 | 206 | 7 | 3 |
| Sunny days | 14 | 15 | 15 | 6 | 3 | 0 | 3 | 1 | 1 | 13 | 23 | 23 |
| Rainy days | 17 | 13 | 16 | 24 | 28 | 30 | 28 | 30 | 29 | 18 | 7 | 8 |
| 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