Haitangwan Weather in August

What's the weather like in Haitangwan (Hainan) in August 2025?

The climate in Haitangwan during August can be summarized as very hot, humid and very wet.

August is in the summer in Haitangwan and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 25°C (77°F) is normal.

Haitangwan weather averages (imperial / metric)
Daytime temperature 31.4°C 88.4°F
Nightly temperature 24.9°C 76.7°F
Average temperature 28.1°C 82.6°F
Daily sunshine 6.5 hrs
Avg rainfall 234 mm 9.2 ins
Rainy days 18 days
Sea temperature 29.5°C 85°F
Humidity 74%
Windspeed 7.9kph 5 mph

On average August is the 3rd wettest month of the year in Haitangwan with around 234mm 9.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.5 hours of sunshine per day.

August temperatures in Haitangwan

Haitangwan average temperature in August

August rainfall

Haitangwan average rain in August

August hourly sunshine

Haitangwan average rain in August

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Haitangwan in August 2025.

Other monthly averages

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UV index Best time to go?

Haitangwan weather stats

Haitangwan weather statistics
Hottest month: June 31.6°C 88.9°F
Driest month: January 14mm 0.6ins
Sunniest month: July 7.5hrs
Coldest month: January 24.8°C 76.6°F
Wettest month: September 294mm 11.6ins
Map showing location of Haitangwan (18.40337, 109.75004) Haitangwan map pin © Google

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