August weather forecast
Sai Wan, Hong Kong

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Weather in August

The sultry August weather takes center stage in Sai Wan, with temperatures maintaining their summer vibrancy. The city pulsates with the steady throb of tropical heat, interspersed with bold bouts of rainfall. Despite fatigue from the lengthened summer, the city entertains with a plethora of summer events. The most striking aspect of this month's climate is the record rainfall, with a startling 223mm (8.78"). This blend of fiery temperatures and substantial rainfall creates a unique experience.

Temperature

August is the month when Sai Wan sees the highest average temperatures, with a high of 30.5°C (86.9°F) and a low of 27.7°C (81.9°F).

Heat index

August's heat index is appraised at a sweltering 39°C (102.2°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a single figure representing how weather conditions feel when combining temperature and humidity. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. 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 particularly important for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.

Humidity

In August, the average relative humidity in Sai Wan is 79%.

Rainfall

The month with the most rainfall is August, when the rain falls for 25.8 days and typically aggregates up to 223mm (8.78") of precipitation.

Daylight

In August, the average length of the day is 12h and 53min.
On the first day of August in Sai Wan, Hong Kong, sunrise is at 05:55 and sunset at 19:04. On the last day of the month, sunrise is at 06:06 and sunset at 18:41 HKT.

Sunshine

In Sai Wan, the average sunshine in August is 8.9h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.
Note: In August, a daily UV index of 7 turns into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What part of the year is the hottest in Sai Wan?

August, with average temperatures reaching a high of 30.5°C (86.9°F) and a low of 27.7°C (81.9°F), is the warmest month.

How hot is August in Sai Wan?

The high-temperature during August is 30.5°C (86.9°F) and the low-temperature is 27.7°C (81.9°F). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 39°C (102.2°F).

What is the average humidity in August in Sai Wan?

In Sai Wan, the average relative humidity in August is 79%.

What is the wettest month in Sai Wan?

The month with the most rainfall in Sai Wan, Hong Kong, is August, when the rain falls for 25.8 days and typically aggregates up to 223mm (8.78") of precipitation.

How much does it rain in Sai Wan in August?

In Sai Wan, Hong Kong, in August, it is raining for 25.8 days, with typically 223mm (8.78") of accumulated precipitation.

What is the average length of the day in August in Sai Wan?

The average day length in August in Sai Wan, Hong Kong, is 12h and 53min.

When are sunrise and sunset in August in Sai Wan?

In August, on the first day of the month, sunrise is at 05:55 and sunset at 19:04. On the last day of the month, sunrise is at 06:06 and sunset at 18:41 HKT.

How many hours of sunshine does Sai Wan have in August?

In Sai Wan, Hong Kong, the average sunshine duration in August is 8.9h.

What are the months with the highest UV index in Sai Wan?

May through September, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index reading in August in Sai Wan?

In August, the average daily maximum UV index in Sai Wan is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.

Average temperature in August
Sai Wan, Hong Kong

Average temperature in August - Sai Wan, Hong Kong
  • Average high temperature in August: 30.5°C

The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (18.5°C).

  • Average low temperature in August: 27.7°C

The month with the highest average low temperature is August (27.7°C).
The coldest month (with the lowest average low temperature) is January (15°C).

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Average pressure in August
Sai Wan, Hong Kong

Average pressure in August - Sai Wan, Hong Kong
  • Average pressure in August: 1004.8mbar

The month with the highest atmospheric pressure is January (1020.3mbar).
The month with the lowest atmospheric pressure is August (1004.8mbar).

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Average wind speed in August
Sai Wan, Hong Kong

Average wind speed in August - Sai Wan, Hong Kong
  • Average wind speed in August: 12.4km/h

The windiest month (with the highest average wind speed) is December (16km/h).
The calmest month (with the lowest average wind speed) is August (12.4km/h).

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Average humidity in August
Sai Wan, Hong Kong

Average humidity in August - Sai Wan, Hong Kong
  • Average humidity in August: 79%

The month with the highest relative humidity is May (84%).
The month with the lowest relative humidity is December (70%).

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Average rainfall in August
Sai Wan, Hong Kong

Average rainfall in August - Sai Wan, Hong Kong
  • Average rainfall in August: 223mm

The wettest month (with the highest rainfall) is August (223mm).
The driest month (with the least rainfall) is December (23mm).

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Average rainfall days in August
Sai Wan, Hong Kong

Average rainfall days in August - Sai Wan, Hong Kong
  • Average rainfall days in August: 25.8 days

The month with the highest number of rainy days is July (26.8 days).
The month with the least rainy days is December (11.2 days).

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Average daylight in August /
Average sunshine in August
Sai Wan, Hong Kong

Average daylight in August / Average sunshine in August - Sai Wan, Hong Kong
  • Average daylight in August: 12h and 5min

The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in August: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is March (Average sunshine: 5h and 18min).

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Average sunshine days in August
Sai Wan, Hong Kong

Average sunshine days in August - Sai Wan, Hong Kong
  • Average sunshine days in August: 3.7 days

The month with the most sunshine days is December (16.9 days).
The month with the least sunshine days is July (3.1 days).

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Average UV index in August
Sai Wan, Hong Kong

Average UV index in August - Sai Wan, Hong Kong
  • Average UV index in August: 7

The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).

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Average cloud cover in August
Sai Wan, Hong Kong

Average cloud cover in August - Sai Wan, Hong Kong
  • Average cloud cover in August: 37

The month with the most cloud cover is March (Cloud cover 61).
The months with the least cloud cover are September and October (Cloud cover 35).

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Average visibility in August
Sai Wan, Hong Kong

Average visibility in August - Sai Wan, Hong Kong
  • Average visibility in August: 9km

The months with the highest visibility are September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July and August (9km).

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Sai Wan, Hong Kong

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