Hong Kong Weather in August
With daytime temperatures of 32°C (90°F) and nighttime lows of 27°C (81°F), August in Hong Kong brings very high temperatures during the day. Do keep in mind that August is part of the rainy season, with frequent and often heavy rainfall.
Rainfall in Hong Kong in August
Hong Kong is in the rainy season in August, with rain on around 17 days and an average of 319 mm (13 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Hong Kong in August
Hong Kong in August gets highs of 32°C (90°F) during the day and drops to 27°C (81°F) at night. It's usually most comfortable outside during the morning and later in the day. With overnight lows of 27°C (81°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably. Bear in mind, these are average temperatures, and it can get even warmer on particular days. Make sure to choose clothing that accommodates the warmth.
Sunshine in Hong Kong in August
The city usually sees around 182 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).
Wind Speed in Hong Kong in August
Wind speeds average 2 m/s (4 knots) during August. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.
Average water temperature in August
With water at 27°C (81°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.August in Hong Kong has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Hong Kong, check out our Hong Kong's climate page.
Hong Kong Temperature in August
Min Temperature
27°C (81°F)
Max Temperature
32°C (90°F)
Water Temperature
27°C (81°F)
Chance of Rain
57%
Precipitation
319 mm (13 in)
Rainy days
17 days
Humidity
81%
Windspeed
2 m/s (4 knots)
Sunshine
182 hours
Percentage Sunshine
47%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Hong Kong typically stay consistent throughout August, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 27°C (81°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Hong Kong in August
Browse day-by-day weather records for Hong Kong spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hong Kong historical weather extremes in August
Based on 49 years of weather observations in Hong Kong between 1976 and 2025, these are the recorded extremes.
- On August 29, 1992, temperatures climbed to 37°C (99°F), marking the warmest August day on record.
- The lowest daytime temperature in August was 25°C (77°F), recorded on August 20, 2005.
- The coldest night in August in Hong Kong was on August 23, 2008, with a minimum of 23°C (73°F).
Best Places in Hong Kong in August
Find out more about the weather in Hong Kong and which places have the best travel conditions in this month. See all of Hong Kong in August →
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What to Wear in Hong Kong in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. With water temperatures around 27°C (81°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Hong Kong in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Hong Kong, check out our Hong Kong's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Hong Kong climate overview or explore weather in Hong Kong.
