Hong Kong Weather
Hong Kong hourly forecast: next 24 hours
Today's high of 82°F (28°C) is right in line with the typical September high of 83°F (28°C).
Current conditions in detail
Hong Kong weather tomorrow (Thursday, September 17)
Tomorrow in Hong Kong looks patchy rain nearby, with a high of 81° and an overnight low of 79°. Precipitation chance is modest at 36%. Winds top out near 19 mph, and the UV index reaches 10 (very high).
Hong Kong 14-day forecast
About the weather in Hong Kong
Hong Kong is genuinely wet: 88.7 inches (2254 mm) falls in an average year, across 184 days that carry about 12.2 mm each when they come. Temperatures are the calmer variable, running 64°F (18°C) to 84°F (29°C) between January and July.
Hong Kong weather: quick facts
- Hottest month: July - highs near 84°F (29°C)
- Coldest month: January - highs near 64°F (18°C)
- Decade extremes (2015-2024): 92°F (33°C) high · 34°F (1°C) low
- Wettest month: August (26 rainy days) · Sunniest: July (10.4 h sun/day)
- Climate type: humid subtropical
- Annual swing: 12°C between the average warmest and coolest month · day to night: 4°C
- Average humidity: 82%
Temperatures through the year
At its warmest, in July, Hong Kong runs to 84°F (29°C) in the afternoon and back to 78°F (26°C) by dawn. January bottoms out at 64°F (18°C) in daylight, 54°F (12°C) after dark. Days and nights are about 4°C apart on average - narrower than almost anywhere else we cover.
Rain, sun and snow
August is the wettest month at 15.4 inches (392 mm) over 26 days; December is the driest. Relative humidity averages 82% across the year, more humid than 92% of the 3496 cities in our dataset - enough that summer afternoons feel hotter than the thermometer says, which is what the dew point converter is for. The gridded 2015-2024 daily record for this location tops out at 92°F (33°C) and bottoms at 34°F (1°C) - decade extremes, not all-time station records.
Season by season
Spring (March through May)
Spring is mild and warm here - highs near 75°F (24°C), nights near 68°F (20°C), and rain falls on around 51 of the 90 days.
Summer (June through August)
Through summer, Hong Kong brings hot afternoons: 84°F (29°C) by day, 77°F (25°C) after dark, and rain falls on around 79 of the 90 days.
Fall (September through November)
Through fall, Hong Kong brings comfortable warmth: 79°F (26°C) by day, 70°F (21°C) after dark, and rain falls on around 38 of the 90 days.
Winter (December through February)
Through winter, Hong Kong is mild: 65°F (19°C) by day, 55°F (13°C) after dark, and rain comes on about 17 days over the three months.
Average temperatures in Hong Kong by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 64° | 54° | 6 | 1.6 in | 7.8 h/day | 75% |
| February | 66° | 56° | 7 | 1.9 in | 7.6 h/day | 79% |
| March | 71° | 62° | 13 | 3.5 in | 7.3 h/day | 85% |
| April | 75° | 67° | 16 | 6.4 in | 8.3 h/day | 86% |
| May | 80° | 73° | 22 | 11.4 in | 8.4 h/day | 89% |
| June | 83° | 77° | 27 | 14.6 in | 8.9 h/day | 89% |
| July | 84° | 78° | 26 | 11.5 in | 10.4 h/day | 87% |
| August | 84° | 77° | 26 | 15.4 in | 8.9 h/day | 88% |
| September | 83° | 76° | 21 | 11.0 in | 9.2 h/day | 86% |
| October | 79° | 71° | 11 | 7.1 in | 8.9 h/day | 77% |
| November | 74° | 65° | 6 | 3.5 in | 8.2 h/day | 76% |
| December | 66° | 56° | 4 | 1.1 in | 8.0 h/day | 68% |