August weather forecast
Sanya, China

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Weather in August

August in Sanya, is a month of continuance, holding firmly onto the robust summer climate. With a relatively high UV index of 12, visitors are advised to adhere to sun safety measures for a more comfortable experience. The influence of monsoon is also evident with an increase in rainfall to 222mm (8.74") compared to July's 193mm (7.6"). Nonetheless,the weather remains warm and importantly, consistent. Hence, August carries on the summer's rhythm and further highlights Sanya's tropical climate.

Temperature

Sanya experiences a subtle adjustment in high-temperatures to a still hot 31.4°C (88.5°F) with the onset of August, maintaining near parity with July's 31.7°C (89.1°F). During August, the nighttime temperature averages to a moderately hot 25.5°C (77.9°F).

Rainfall

In Sanya, during August, the rain falls for 16 days and regularly aggregates up to 222mm (8.74") of precipitation. Throughout the year, in Sanya, there are 111.1 rainfall days, and 1392mm (54.8") of precipitation is accumulated.

Sea temperature

In August, the average sea temperature is 28.8°C (83.8°F).
Note: Swimming, diving, and other water activities in the temperature range of 25°C (77°F) to 29°C (84.2°F) are perceived as very enjoyable and comfortable for prolonged durations.

Daylight

The average length of the day in August is 12h and 44min.
On the first day of August in Sanya, sunrise is at 06:20 and sunset at 19:16. On the last day of the month, sunrise is at 06:27 and sunset at 18:57 CST.

Sunshine

The average sunshine in August is 6h.

UV index

The months with the highest UV index in Sanya are March through September, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 12 in August translates into the following instructions:
Put into effect every precaution of importance, unprotected skin and eyes may get burns swiftly. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. 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. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.
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Frequently asked questions

How hot is August in Sanya?

The high-temperature in Sanya during August is 31.4°C (88.5°F) and the low-temperature is 25.5°C (77.9°F).

How many days does it rain in August in Sanya?

In August, in Sanya, China, the rain falls for 16 days. Throughout August, 222mm (8.74") of precipitation is accumulated.

What is the sea water temperature in August in Sanya?

In August, the average sea temperature in Sanya is 28.8°C (83.8°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.

What is the average length of the day in August in Sanya?

In Sanya, the average day length in August is 12h and 44min.

When is the sunrise / sunset in August in Sanya?

In August, on the first day of the month, sunrise is at 06:20 and sunset at 19:16. On the last day of the month, in Sanya, sunrise is at 06:27 and sunset at 18:57 CST.

How many hours of sunshine does Sanya have in August?

In Sanya, China, the average sunshine duration in August is 6h.

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

The months with the highest UV index in Sanya, China, are March through September, with an average maximum UV index of 12.

What is the UV index intensity in August in Sanya?

In August, the average daily maximum UV index in Sanya is 12. A UV Index of 11, and more, symbolizes an extreme health threat from unprotected exposure to UV radiation.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in August
Sanya, China

Average temperature in August - Sanya, China
  • Average high temperature in August: 31.4°C

The warmest month (with the highest average high temperature) is May (32°C).
The month with the lowest average high temperature is January (26.1°C).

  • Average low temperature in August: 25.5°C

The month with the highest average low temperature is June (26.1°C).
The coldest month (with the lowest average low temperature) is January (18.5°C).

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Average rainfall in August
Sanya, China

Average rainfall in August - Sanya, China
  • Average rainfall in August: 221.5mm

The wettest month (with the highest rainfall) is September (251.4mm).
The driest month (with the least rainfall) is January (8mm).

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Average rainfall days in August
Sanya, China

Average rainfall days in August - Sanya, China
  • Average rainfall days in August: 16 days

The month with the highest number of rainy days is September (17 days).
The month with the least rainy days is January (3.4 days).

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Average sea temperature in August
Sanya, China

Average sea temperature in August - Sanya, China
  • Average sea temperature in August: 28.8°C

The best month for swimming (with the highest average sea temperature) is July (29.8°C).
The coldest month (with the lowest average sea temperature) is February (23°C).

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

Average daylight in August / Average sunshine in August - Sanya, China
  • Average daylight in August: 12h and 4min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).

  • Average sunshine in August: 6h

The months with the most sunshine are May and July (Average sunshine: 7h).
The months with the least sunshine are January, February and March (Average sunshine: 5h).

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Average UV index in August
Sanya, China

Average UV index in August - Sanya, China
  • Average UV index in August: 12

The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).

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Sanya, China

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