Weather in Hong Kong in July 2025
- July is usually the hottest month of the year in Hong Kong;
Average weather
Average temperature in Hong Kong in July
The expected average maximum temperature in July is +31°C with a maximum of +35°C and a minimum of +24°C.
The average maximum temperature goes up 27% by the end of the month, compared with the beginning of the month, from +28°C to +31°C.
Is Hong Kong warm or cold in July?
Hong Kong is typically warm in July.
Maximum temperatures go up compared to the previous month from +29°C to +30°C. The minimum temperature also goes up from +25°C to +25°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
July is the hottest month in Hong Kong, here is the comparison with other months:
Water temperature in Hong Kong in July
Water in Hong Kong in July is Very warm. It varies from +28°C to +30°C, with an average of +29°C. This is almost similar to the air temperature, which averages +30°C.
The water temperature in July is one of the warmest of the entire year:
Can you swim in Hong Kong in July?
Climate in Hong Kong in July
| June | July | August | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +29°C | +30°C | +29°C | ||||
| Min. temperature | ||||||
| +18°C | +20°C | +21°C | ||||
| Max. temperature | ||||||
| +33°C | +35°C | +35°C | ||||
| Rainfall | ||||||
| 296 mm | 250 mm | 325 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 2 m/s | ||||
| Avg. water temperature | ||||||
| +28°C | +29°C | +28°C | ||||
| Humidity | ||||||
| 83% | 81% | 82% | ||||
| Air pressure | ||||||
| 1005 HPa | 1004 HPa | 1004 HPa | ||||
| Sunny days | ||||||
| 1 | 1 | 1 | ||||
| Cloudy days | ||||||
| 2 | 2 | 1 | ||||
| Rainy days | ||||||
| 26 | 26 | 26 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
July weather is still as ok as in June. It’s getting warmer as July arrives. The average maximum temperature goes up from +29°C to +30°C during the day. As July arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 296 mm to 250 mm. It feels drier, as humidity decreases from 83% to 81%. The average wind speed doesn’t change much during July, staying around 3 m/s. The amount of sunny days stay about the same, averaging 1 sunny days during the month.
August brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Hong Kong is gradually increasing during July, going from 2 m/s to 2 m/s over the course of the month.
Rain
How was the weather last July in Hong Kong?
Climate Change over Years
The climate in Hong Kong in July has not changed much over the last 43 years.
The average temperature was the lowest in 1983 (+23°C) and the highest in 2023 (+25°C). The driest year was 2011 with only 1147 mm of rainfall, and the wettest year was 2023 with 3151 mm.
FAQ
Is July a good time to visit Hong Kong?
Can you sunbathe in Hong Kong in July?
Can you swim in Hong Kong in July?
Is Hong Kong rainy in July?
Is it sunny in Hong Kong in July?
Monthly weather in Hong Kong
Source of the data
For this page, we’ve looked at the typical weather in Hong Kong, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.