August weather forecast
Hangzhou, China

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Weather in August

August continues the searing summer narrative as temperatures sway between 24.9°C (76.8°F) and 32.8°C (91°F). The city reports 162mm (6.38") of rainfall. Despite the heat, it is a favored time for outdoor activities. The allure of Hangzhou in the vivid summer light is quite inviting. The hustle and bustle of tourism remain evident throughout August, giving a compelling edge to the city's vibrancy.

Temperature

August's advent in Hangzhou, China, notes a subtle adjustment in average high-temperature to a still tropical 32.8°C (91°F) from July. In Hangzhou, the August nights cool down to an average low of 24.9°C (76.8°F).

Heat index

The heat index for August is appraised at a blazing hot 46°C (114.8°F). Keep on guard: Heat exhaustion and heat cramps are probable. Heatstroke is a possible danger with ongoing physical activity.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

In August, the average relative humidity is 78%.

Rainfall

In Hangzhou, China, in August, it is raining for 13.8 days, with typically 162mm (6.38") of accumulated precipitation. Throughout the year, in Hangzhou, there are 147.4 rainfall days, and 1438mm (56.61") of precipitation is accumulated.

Sea temperature

With an average sea temperature of 26.9°C (80.4°F), August is the month with the warmest seawater in Hangzhou.
Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) in water are ideal for swimming, diving, and other activities, providing enjoyment and comfort for extended durations.

Daylight

The average length of the day in August in Hangzhou is 13h and 13min.
On the first day of August in Hangzhou, sunrise is at 05:18 and sunset at 18:53. On the last day of the month, sunrise is at 05:35 and sunset at 18:23 CST.

Sunshine

The average sunshine in August in Hangzhou is 6.2h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 11. A UV Index reading of 11, and higher, represents an extreme threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 11 in August translates into these instructions:
Utilize all necessary safety measures, unprotected skin could suffer burns instantly. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.
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Frequently asked questions

How hot is it in Hangzhou in August?

An average high-temperature, in August, in Hangzhou, is 32.8°C (91°F) and the average low-temperature is 24.9°C (76.8°F). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 46°C (114.8°F).

What is the average humidity in August in Hangzhou?

In Hangzhou, the average relative humidity in August is 78%.

How many days does it rain in August in Hangzhou?

In Hangzhou, China, in August, during 13.8 rainfall days, 162mm (6.38") of precipitation is typically accumulated.

What is the month with the warmest sea water in Hangzhou?

August is the month with the warmest seawater, with an average sea temperature of 26.9°C (80.4°F).

How warm is the water in August in Hangzhou?

In Hangzhou, in August, the average water temperature is 26.9°C (80.4°F). 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.

How many hours of daylight does Hangzhou have in August?

The average day length in August in Hangzhou, China, is 13h and 13min.

When are sunrise and sunset in August in Hangzhou?

On the first day of August in Hangzhou, sunrise is at 05:18 and sunset at 18:53. On the last day of the month, sunrise is at 05:35 and sunset at 18:23 CST.

How long on average sun shines in August in Hangzhou?

In August, the average sunshine duration in Hangzhou, China, is 6.2h.

What are the months with the highest UV index in Hangzhou?

June through August, with an average maximum UV index of 11, are months with the highest UV index in Hangzhou, China.

How high is the UV index in August in Hangzhou?

In August, the average daily maximum UV index is 11. A UV Index of 11, and more, symbolizes an ultimate hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in August
Hangzhou, China

Average temperature in August - Hangzhou, China
  • Average high temperature in August: 32.8°C

The warmest month (with the highest average high temperature) is July (33.6°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in August: 24.9°C

The month with the highest average low temperature is July (25.2°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

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Average humidity in August
Hangzhou, China

Average humidity in August - Hangzhou, China
  • Average humidity in August: 78%

The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is December (73%).

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Average rainfall in August
Hangzhou, China

Average rainfall in August - Hangzhou, China
  • Average rainfall in August: 162.1mm

The wettest month (with the highest rainfall) is June (219.4mm).
The driest month (with the least rainfall) is December (48.9mm).

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Average rainfall days in August
Hangzhou, China

Average rainfall days in August - Hangzhou, China
  • Average rainfall days in August: 13.8 days

The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is December (8.5 days).

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Average sea temperature in August
Hangzhou, China

Average sea temperature in August - Hangzhou, China
  • Average sea temperature in August: 26.9°C

The best month for swimming (with the highest average sea temperature) is August (26.9°C).
The coldest month (with the lowest average sea temperature) is February (8.8°C).

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Average daylight in August /
Average sunshine in August
Hangzhou, China

Average daylight in August / Average sunshine in August - Hangzhou, China
  • Average daylight in August: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in August: 6h and 1min

The month with the most sunshine is July (Average sunshine: 6h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

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Average UV index in August
Hangzhou, China

Average UV index in August - Hangzhou, China
  • Average UV index in August: 11

The months with the highest UV index are June, July and August (UV index 11).
The months with the lowest UV index are January and December (UV index 4).

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Hangzhou, China

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