June weather forecast
Hong Kong, Hong Kong

The lit city of Hong Kong, on the Hong Kong Island
The lit city of Hong Kong, on the Hong Kong Island

Weather in June

The first month of the summer, June, is a tropical month in Hong Kong, Hong Kong, with temperature in the range of an average low of 26.2°C (79.2°F) and an average high of 30.2°C (86.4°F).

Temperature

In June, the average high-temperature is practically the same as in May - a tropical 30.2°C (86.4°F). In June, in Hong Kong, the average low-temperature is 26.2°C (79.2°F).

Heat index

In June, the average heat index is appraised at a very hot 38.9°C (102°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, differences in body mass, height, and shape, wind). Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The average relative humidity in June in Hong Kong is 82%.

Rainfall

June is the month with the most rainfall. Rain falls for 19.1 days and accumulates 456.1mm (17.96") of precipitation.

Sea temperature

In Hong Kong, in June, the average water temperature is 28.4°C (83.1°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

June has the longest days of the year in Hong Kong, with an average of 13h and 29min of daylight.
On the first day of the month, sunrise is at 05:38 and sunset at 19:03. On the last day of June, in Hong Kong, sunrise is at 05:42 and sunset at 19:11 HKT.

Sunshine

In June, the average sunshine in Hong Kong is 4.9h.

UV index

The months with the highest UV index in Hong Kong are April through August, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an extreme threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 12 in June transform into the following instructions:
Practice all essential precautions. Protection against sun damage is crucial. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in June in Hong Kong?

In Hong Kong, Hong Kong, in June, the average high-temperature is 30.2°C (86.4°F), and the average low-temperature is 26.2°C (79.2°F). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in June is appraised at 38.9°C (102°F).

What is the average humidity in June in Hong Kong?

The average relative humidity in June in Hong Kong is 82%.

What is the rainiest month in Hong Kong?

June is the month with the most rainfall in Hong Kong, Hong Kong. Rain falls for 19.1 days and accumulates 456.1mm (17.96") of precipitation.

How much does it rain in Hong Kong in June?

In Hong Kong, Hong Kong, in June, during 19.1 rainfall days, 456.1mm (17.96") of precipitation is typically accumulated.

How warm is the water in June in Hong Kong?

In Hong Kong, Hong Kong, the average seawater temperature in June is 28.4°C (83.1°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

When are the longest days in Hong Kong?

The month with the longest days in Hong Kong is June, with an average of 13h and 29min of daylight.

What is the average length of the day in June in Hong Kong?

The average day length in June in Hong Kong is 13h and 29min.

When is the sunrise / sunset in June in Hong Kong?

In June, on the first day of the month, sunrise is at 05:38 and sunset at 19:03. On the last day of the month, sunrise is at 05:42 and sunset at 19:11 HKT.

How long on average sun shines in June in Hong Kong?

In June, the average sunshine duration in Hong Kong, Hong Kong, is 4.9h.

What are the months with the highest UV index in Hong Kong?

April through August, with an average maximum UV index of 12, are months with the highest UV index in Hong Kong.

What is the UV index intensity in June in Hong Kong?

In June, the average daily maximum UV index in Hong Kong is 12. A UV Index estimate of 11, and higher, represents an ultimate hazard to health from exposure to Sun's UV rays.

Average temperature in June
Hong Kong, Hong Kong

Average temperature in June - Hong Kong, Hong Kong
  • Average high temperature in June: 30.2°C

The warmest month (with the highest average high temperature) is July (31.4°C).
The month with the lowest average high temperature is January (18.6°C).

  • Average low temperature in June: 26.2°C

The month with the highest average low temperature is July (26.8°C).
The coldest month (with the lowest average low temperature) is January (14.5°C).

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Average humidity in June
Hong Kong, Hong Kong

Average humidity in June - Hong Kong, Hong Kong
  • Average humidity in June: 82%

The months with the highest relative humidity are April and May (83%).
The month with the lowest relative humidity is December (69%).

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Average rainfall in June
Hong Kong, Hong Kong

Average rainfall in June - Hong Kong, Hong Kong
  • Average rainfall in June: 456.1mm

The wettest month (with the highest rainfall) is June (456.1mm).
The driest month (with the least rainfall) is January (24.7mm).

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Average rainfall days in June
Hong Kong, Hong Kong

Average rainfall days in June - Hong Kong, Hong Kong
  • Average rainfall days in June: 19.1 days

The month with the highest number of rainy days is June (19.1 days).
The month with the least rainy days is December (4.5 days).

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Average sea temperature in June
Hong Kong, Hong Kong

Average sea temperature in June - Hong Kong, Hong Kong
  • Average sea temperature in June: 28.4°C

The best month for swimming (with the highest average sea temperature) is July (29.1°C).
The coldest month (with the lowest average sea temperature) is February (18.9°C).

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Average daylight in June /
Average sunshine in June
Hong Kong, Hong Kong

Average daylight in June / Average sunshine in June - Hong Kong, Hong Kong
  • Average daylight in June: 13h and 29min

The month with the longest days is June (Average daylight: 13h and 29min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in June: 4.9h

The month with the most sunshine is July (Average sunshine: 6.8h).
The month with the least sunshine is March (Average sunshine: 2.9h).

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Average UV index in June
Hong Kong, Hong Kong

Average UV index in June - Hong Kong, Hong Kong
  • Average UV index in June: 12

The months with the highest UV index are April, May, June, July and August (UV index 12).
The months with the lowest UV index are January, November and December (UV index 7).

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