Hainan Weather in May

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

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Sanya Haikou Qionghai Wenchang

Considering a trip to Hainan, China this May 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 May

Hainan, China is a region in China. May in Hainan generally has very warm temperatures, with precipitation levels ranging from high to heavy.

Temperatures

The average maximum temperatures are very warm and range from 30°C (86°F) in Lingshui to 33°C (91°F) in Danzhou. Nighttime temperatures generally drop to 24°C (75°F) in Danzhou and 26°C (79°F) in Lingshui. The temperatures mentioned for both day and night are typical averages. However some days might get even hotter. It's best to stay prepared by wearing cloths suitable for the warmth.

To explore the conditions in Hainan, China in more detail, check the map below.

Precipitation

In May, precipitation varies across different areas. From high rainfall in Wanning with an average of 122 mm (4.8 in) to heavy rainfall in Tunchang with 208 mm (8.2 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)

January24°C (75°F) February25°C (77°F) March27°C (81°F) April29°C (84°F) May31°C (88°F) June31°C (88°F) This monthJuly31°C (88°F) August31°C (88°F) September30°C (86°F) October29°C (84°F) November28°C (82°F) December25°C (77°F)
Best Time to Visit Hainan →

Best Places to Visit in Hainan in May

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

Conditions Temperatures Precipitation
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 May for some of the most popular destinations in Hainan, China?

Temperature range in Hainan (May)

Precipitation variation in Hainan (May)

Sanya

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

« April
May
June »
April
May
June
Max temperature
29°C (84°F)
31°C (88°F)
31°C (88°F)
Min temperature
24°C (75°F)
26°C (79°F)
27°C (81°F)
Monthly rainfall
66 mm (2.6 in)
152 mm (6 in)
232 mm (9.1 in)
Monthly rainy days
8 days
11 days
14 days
Weather conditions
perfect
tolerable
poor
Climate in Sanya →

Haikou

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

« April
May
June »
April
May
June
Max temperature
28°C (82°F)
31°C (88°F)
32°C (90°F)
Min temperature
23°C (73°F)
26°C (79°F)
27°C (81°F)
Monthly sun hours
170 hours
220 hours
225 hours
Monthly rainfall
79 mm (3.1 in)
132 mm (5.2 in)
158 mm (6.2 in)
Monthly rainy days
12 days
16 days
17 days
Weather conditions
perfect
tolerable
tolerable
Climate in Haikou →

Qionghai

In May Qionghai generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 26°C (79°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« April
May
June »
April
May
June
Max temperature
30°C (86°F)
32°C (90°F)
33°C (91°F)
Min temperature
23°C (73°F)
26°C (79°F)
27°C (81°F)
Monthly rainfall
84 mm (3.3 in)
160 mm (6.3 in)
156 mm (6.1 in)
Monthly rainy days
11 days
14 days
16 days
Weather conditions
pleasant
tolerable
tolerable
Climate in Qionghai →

Wenchang

In May 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.

« April
May
June »
April
May
June
Max temperature
30°C (86°F)
33°C (91°F)
34°C (93°F)
Min temperature
23°C (73°F)
26°C (79°F)
27°C (81°F)
Monthly sun hours
170 hours
220 hours
225 hours
Monthly rainfall
93 mm (3.7 in)
205 mm (8.1 in)
209 mm (8.2 in)
Monthly rainy days
12 days
15 days
17 days
Weather conditions
pleasant
poor
poor
Climate in Wenchang →

Wanning

In May Wanning generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 26°C (79°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« April
May
June »
April
May
June
Max temperature
28°C (82°F)
30°C (86°F)
31°C (88°F)
Min temperature
24°C (75°F)
26°C (79°F)
27°C (81°F)
Monthly rainfall
87 mm (3.4 in)
122 mm (4.8 in)
140 mm (5.5 in)
Monthly rainy days
10 days
13 days
16 days
Weather conditions
perfect
tolerable
tolerable
Climate in Wanning →

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

Popular cities in May

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

City Weather Day temp Night temp Rainfall
Sanya 31°C (88°F) 26°C (79°F) 152 mm (6 in)
Haikou 31°C (88°F) 26°C (79°F) 132 mm (5.2 in)
Qionghai 32°C (90°F) 26°C (79°F) 160 mm (6.3 in)
Wenchang 33°C (91°F) 26°C (79°F) 205 mm (8.1 in)
Wanning 30°C (86°F) 26°C (79°F) 122 mm (4.8 in)
Danzhou 33°C (91°F) 24°C (75°F) 195 mm (7.7 in)

Hainan weather in May: frequently asked questions

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

In May, Hainan, China generally has unpleasant weather conditions. Sanya sees daytime temperatures near 31°C (88°F), with nights cooling to roughly 26°C (79°F).

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

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

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

Hainan, China sees substantial rainfall in May. Sanya typically averages about 152 mm (6 in), a mix of wet and dry days, but bring an umbrella.

Is May a Good Time to Visit Hainan, China?

Given the typically tolerable weather conditions in Sanya, May might be a good time to visit Hainan, China.

On average, the best time to visit Hainan, China is in January, February, March, April, November and December with generally perfect weather in Sanya. In contrast, June, July, August and September tend to have poor weather conditions.

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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