Hong Kong · August
Low seasonHong Kong · Asia
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 20° (68°)12– (54–)25 (77) | 21° (70°)12– (54–)26 (79) | 23° (73°)16– (61–)28 (82) | 26° (79°)19– (66–)31 (88) | 30° (86°)24– (75–)33 (91) | 31° (88°)27– (81–)34 (93) | 33° (91°)28– (82–)35 (95) | 32° (90°)27– (81–)35 (95) | 32° (90°)27– (81–)35 (95) | 29° (84°)24– (75–)32 (90) | 26° (79°)20– (68–)30 (86) | 21° (70°)13– (55–)26 (79) |
Ø night, range from coldest to warmest nightØ nightrange | 14° (57°)7– (45–)19 (66) | 15° (59°)9– (48–)20 (68) | 18° (64°)11– (52–)22 (72) | 21° (70°)15– (59–)25 (77) | 25° (77°)20– (68–)28 (82) | 27° (81°)24– (75–)29 (84) | 27° (81°)24– (75–)29 (84) | 27° (81°)24– (75–)28 (82) | 26° (79°)23– (73–)28 (82) | 24° (75°)20– (68–)27 (81) | 20° (68°)14– (57–)24 (75) | 15° (59°)8– (46–)20 (68) |
☀️Sunshine | 5h UV 6 | 5h UV 6 | 5h UV 6 | 6h UV 7 | 6h UV 7 | 6h UV 7 | 7h UV 8 | 6h UV 7 | 7h UV 7 | 7h UV 7 | 6h UV 6 | 5h UV 5 |
🌊Water Temp | 19° (66°) | 19° (66°) | 21° (70°) | 24° (75°) | 28° (82°) | 30° (86°) | 30° (86°) | 30° (86°) | 29° (84°) | 27° (81°) | 24° (75°) | 20° (68°) |
🌧Rain Days | 2d22mm (0.9") | 2d32mm (1.3") | 4d46mm (1.8") | 8d111mm (4.4") | 12d267mm (10.5") | 16d393mm (15.5") | 14d276mm (10.9") | 15d330mm (13.0") | 11d223mm (8.8") | 4d97mm (3.8") | 3d43mm (1.7") | 2d21mm (0.8") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Off-season — lowest travel prices with still acceptable climate.
August in Hong Kong is generally manageable, but with 15 rain days it's not a reliably sunny month. Better conditions can be found in April, October, and November.
Daytime highs reach 32°C (90°F) with a daily average of 30°C (86°F) — nights stay warm at 27°C (81°F). Peaks reach around 35°C (95°F), the coldest nights around 24°C (75°F). With 6 sunshine hours per day and 15 rain days (330 mm (13.0 in)), this is one of the cloudier months. The water is a warm 30°C (86°F) — perfect for snorkelling and swimming.
An umbrella or waterproof jacket is essential. On rainy days, plan indoor activities like museums and markets.
Hot, muggy and rainy: highs sit at 31 to 32°C (88 to 90°F), the nights stay warm and humidity climbs to 75 to 80 per cent. Thunderstorms and downpours roll through, and the typhoon season reaches its peak. In return the beaches on Lantau and the Outlying Islands are bath-warm, and air-conditioned museums and malls are in demand. In September (sometimes early October, depending on the lunar calendar) lanterns glow in the parks for the Mid-Autumn Festival.
Packing list for Hong Kong in August
- Light summer clothes
- Swimwear and beach towel
- Sunscreen
- Sunglasses
- Rain jacket and waterproof shoes
- Insect repellent
- Travel first-aid kit
Frequently Asked Questions
- Is August a good time to visit Hong Kong?
- August is not an optimal month for Hong Kong (Score: 61/100), but it is manageable. For better conditions, consider April, October, and November.
- How warm is it in Hong Kong in August?
- In August, Hong Kong sees daily highs of 32°C (90°F). Nights cool to 27°C (81°F), with a daily average of 30°C (86°F). Peaks reach around 35°C (95°F), the coldest nights around 24°C (75°F).
- How much rain falls in Hong Kong in August?
- In August, Hong Kong receives an average of 330 mm (13.0 in) of rain over 15 rain days. With frequent rain days, waterproof clothing is recommended.
- How many sunshine hours does Hong Kong get in August?
- Hong Kong averages 6 sunshine hours per day in August — close to the annual average.
- How warm is the water in Hong Kong in August?
- Water temperature in Hong Kong in August averages 30°C (86°F) — ideal for swimming and snorkelling.
