June weather forecast
Yuen Tun Ha, Hong Kong

The first month of the summer, June, is a tropical month in Yuen Tun Ha, Hong Kong, with an average temperature ranging between max 30°C (86°F) and min 26.5°C (79.7°F).

Temperature

Transitioning into June, Yuen Tun Ha records an average high-temperature of a tropical 30°C (86°F), almost identical to May's 28.3°C (82.9°F). Yuen Tun Ha's nighttime temperatures in June see a subtle dip to an average of 26.5°C (79.7°F).

Heat index

For June, the heat index is estimated at a torrid 38°C (100.4°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Heat index values are typically calculated for conditions of shade and a light breeze. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. 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

In June, the average relative humidity is 82%.

Rainfall

In Yuen Tun Ha, during June, the rain falls for 23.3 days and regularly aggregates up to 128mm (5.04") of precipitation. Throughout the year, there are 187.1 rainfall days, and 771mm (30.35") of precipitation is accumulated.

Daylight

June has the longest days of the year in Yuen Tun Ha, with an average of 13h and 30min of daylight.
On the first day of June, 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.

Sunshine

In June, the average sunshine is 9.2h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: In June, the maximum UV index of 7 translates into these guidelines:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.