Climate averages 1991–2020
Weather in Hong Kong in May
In May, average daytime highs across the 6 cities listed in Hong Kong range from 27.5°C in Sha Tin to 28.5°C in Tuen Mun. Monthly rainfall ranges from 209 mm in San Tung Chung Hang to 229 mm in Sha Tin.
Long-term climate patterns, not a forecast for a particular trip.
City by city
May in Hong Kong
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Hong Kong | 27.6°C23.8°C | 23.8°C | 210 | 17.3 |
| Tuen Mun | 28.5°C23.8°C | 23.8°C | 229 | 19.1 |
| Sha Tin | 27.5°C23.5°C | 23.5°C | 229 | 20.0 |
| Kwai Chung | 28.0°C23.5°C | 23.5°C | 210 | 17.3 |
| Tai Po | 28.4°C23.9°C | 23.9°C | 229 | 20.0 |
| San Tung Chung Hang | 27.9°C24.1°C | 24.1°C | 209 | 17.9 |
A rain day is a local calendar day with at least 1 mm of precipitation.