City break

Hong Kong weather in July

Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.

43

Holiday weather in July

Fair

Best time to visit: October – February

What is the weather like in Hong Kong in July?

In July, Hong Kong is hot: daytime highs average 30 °C, and even at night it stays warm at around 26 °C. The sea averages 29.0 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It rains often – on about 22 days, adding up to 236 mm. On about 16 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Hong Kong.

July compared

How the weather changes from June to August. Tap a month to open it.

JuneJunJulyJulAugustAug
Score434342
Day29°30°30°
Night26°26°26°
Sea28°29°29°
Sun5 h6 h6 h
Rain days232224

More details for July

Daylight
13 h 23 min05:48 – 19:10
UV index
12 · extremeclear sky, noon (estimate)All months
Muggy days
31 daysdew point 18 °C or more
Wind
17 km/haverage daily peak
Cloud cover
74 %on average
Hot days
16 days30 °C or more
Time zone
UTC+8Asia/Hong_Kong

How the score comes together

  • Temperatureweight 50 %64 %
  • Sunshineweight 20 %57 %
  • Few rainy daysweight 30 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in July

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • Insect repellent
  • Rain jacket or umbrella

Hong Kong in July: quick answers

Is Hong Kong hot in July?

Yes. In July, Hong Kong is hot: daytime highs average 30 °C and nights stay around 26 °C. On about 16 days the thermometer climbs to 30 °C or more.

Can you swim in Hong Kong in July?

Yes. In July the sea averages 29.0 °C – almost as warm as a bath.

Does it rain much in Hong Kong in July?

It rains often – on about 22 days, adding up to 236 mm.

Hong Kong month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)