July weather forecast
Ha Fa Shan, Hong Kong

July, the same as June, in Ha Fa Shan, Hong Kong, is another tropical summer month, with an average temperature fluctuating between 30.8°C (87.4°F) and 27.3°C (81.1°F).

Temperature

Ha Fa Shan's average high-temperature in July sits at a still hot 30.8°C (87.4°F), showing little difference from the previous month. The nights of July in Ha Fa Shan cool down to an average low of 27.3°C (81.1°F), subtly lower than daytime highs.

Heat index

The heat index in July is appraised at a blisteringly hot 40°C (104°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

The average relative humidity in July in Ha Fa Shan, Hong Kong, is 80%.

Rainfall

In July, the rain falls for 25.1 days. Throughout July, 121mm (4.76") of precipitation is accumulated. In Ha Fa Shan, Hong Kong, during the entire year, the rain falls for 187.1 days and collects up to 771mm (30.35") of precipitation.

Daylight

In July, the average length of the day in Ha Fa Shan, Hong Kong, is 13h and 21min.
On the first day of July in Ha Fa Shan, sunrise is at 05:43 and sunset at 19:12. On the last day of the month, sunrise is at 05:55 and sunset at 19:04 HKT.

Sunshine

With an average of 9.9h of sunshine, July has the most sunshine of the year.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 7 during July translates into these guidelines:
Shield from overexposure. Defense against sun-related harm is required. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.