Hainan Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Hainan, China in August.

Considering a trip to Hainan, China this August and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Hainan in August

Hainan, China is a region in China. August in Hainan generally has very warm temperatures, with heavy precipitation.

Temperatures

The average maximum temperatures are very warm and range from 31°C (88°F) in Sanya to 33°C (91°F) in Wenchang. Nighttime temperatures generally drop to 26°C (79°F) in Wenchang and 26°C (79°F) in Sanya. These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.

To learn more about the conditions in specific areas of Hainan, China, check out the map below.

Precipitation

In August, precipitation varies across different areas. From heavy rainfall in Wanning with an average of 195 mm (7.7 in) to heavy rainfall in Wenchang with 280 mm (11 in).

Explore Hainan by month

Pick a month to see the average temperature, rainfall and sunshine in Hainan — and find the best time to visit. (based on Sanya)

Best Places to Visit in Hainan in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Hainan.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Hainan

What is the weather like in August for some of the most popular destinations in Hainan, China?

Temperature range in Hainan (August)

Precipitation variation in Hainan (August)

Sanya

In August Sanya generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor that month.

July
August
September
Max temperature
31°C (88°F)
31°C (88°F)
30°C (86°F)
Min temperature
27°C (81°F)
26°C (79°F)
26°C (79°F)
Monthly rainfall
286 mm (11 in)
269 mm (11 in)
277 mm (11 in)
Monthly rainy days
12 days
17 days
18 days
Weather conditions

Haikou

In August Haikou generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are poor that month.

July
August
September
Max temperature
32°C (90°F)
32°C (90°F)
31°C (88°F)
Min temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Monthly sun hours
250 hours
220 hours
192 hours
Monthly rainfall
174 mm (6.9 in)
238 mm (9.4 in)
238 mm (9.4 in)
Monthly rainy days
15 days
18 days
17 days
Weather conditions

Qionghai

In August Qionghai generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor that month.

July
August
September
Max temperature
33°C (91°F)
33°C (91°F)
32°C (90°F)
Min temperature
27°C (81°F)
26°C (79°F)
25°C (77°F)
Monthly rainfall
184 mm (7.2 in)
243 mm (9.6 in)
260 mm (10 in)
Monthly rainy days
13 days
19 days
19 days
Weather conditions

Wenchang

In August Wenchang generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor that month.

July
August
September
Max temperature
34°C (93°F)
33°C (91°F)
32°C (90°F)
Min temperature
27°C (81°F)
26°C (79°F)
25°C (77°F)
Monthly sun hours
250 hours
220 hours
192 hours
Monthly rainfall
212 mm (8.3 in)
280 mm (11 in)
267 mm (11 in)
Monthly rainy days
15 days
19 days
18 days
Weather conditions

Wanning

In August Wanning generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

July
August
September
Max temperature
31°C (88°F)
31°C (88°F)
30°C (86°F)
Min temperature
27°C (81°F)
27°C (81°F)
26°C (79°F)
Monthly rainfall
177 mm (7 in)
195 mm (7.7 in)
296 mm (12 in)
Monthly rainy days
13 days
19 days
19 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Hainan, in China.

Popular cities in August

Day & night temperatures, rainfall and average weather in Hainan in August.

City Weather Day temp Night temp Rainfall
Sanya 31°C (88°F) 26°C (79°F) 269 mm (11 in)
Haikou 32°C (90°F) 27°C (81°F) 238 mm (9.4 in)
Qionghai 33°C (91°F) 26°C (79°F) 243 mm (9.6 in)
Wenchang 33°C (91°F) 26°C (79°F) 280 mm (11 in)
Wanning 31°C (88°F) 27°C (81°F) 195 mm (7.7 in)
Danzhou 33°C (91°F) 25°C (77°F) 268 mm (11 in)

Hainan weather in August: frequently asked questions

What is the weather like in Hainan, China in August?

August in Hainan, China brings poor weather. In Sanya, daytime temperatures are typically around 31°C (88°F) and nighttime lows hover near 26°C (79°F).

What is the average temperature in Hainan, China in August?

Sanya averages a daytime maximum of 31°C (88°F) in August, with overnight lows close to 26°C (79°F).

Does Hainan, China get a lot of rain in August?

Rainfall in Hainan, China peaks during August. Sanya averages roughly 269 mm (11 in), so frequent and sometimes heavy showers are the norm.

Is August a Good Time to Visit Hainan, China?

In our view, August might not be the best time to travel to Hainan, China with often poor weather in Sanya.

Generally speaking, January, February, March, April, November and December provide perfect weather in Sanya. The weather in June, July, August and September, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Hainan.

Weather and climate has detailed information for every country in the world. Are you going to China? Get detailed historical weather averages for many cities in China.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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