Hainan Weather in January

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

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Sanya Haikou Qionghai Wenchang

Considering a trip to Hainan, China this January 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 January

Hainan, China is a region in China. January in Hainan generally has temperatures that range from pleasant to warm, with precipitation levels ranging from low to moderate.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is pleasant in Haikou at 21°C (70°F) to warm in Sanya at 24°C (75°F). Nighttime temperatures generally drop to 19°C (66°F) in Sanya and 17°C (63°F) in Haikou. During this period, Sanya experiences its coolest temperatures annually.

For specific regional insights in Hainan, China, refer to the map provided below.

Precipitation

In January, precipitation varies across different areas. From low rainfall in Sanya with an average of 17 mm (0.7 in) to moderate rainfall in Wanning with 68 mm (2.7 in). Based on climate data from the last 30 years, Sanya typically sees the least rain in this month, making it the driest month of the year.

Explore Hainan by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best Places to Visit in Hainan in January

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 January for some of the most popular destinations in Hainan, China?

Temperature range in Hainan (January)

Precipitation variation in Hainan (January)

Sanya

In January Sanya generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 19°C (66°F) and low monthly rainfall. So on average the conditions are perfect that month.

« December
January
February »
December
January
February
Max temperature
25°C (77°F)
24°C (75°F)
25°C (77°F)
Min temperature
19°C (66°F)
19°C (66°F)
19°C (66°F)
Monthly rainfall
30 mm (1.2 in)
17 mm (0.7 in)
18 mm (0.7 in)
Monthly rainy days
7 days
8 days
8 days
Weather conditions
perfect
perfect
perfect
Climate in Sanya →

Haikou

In January Haikou generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 17°C (63°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« December
January
February »
December
January
February
Max temperature
23°C (73°F)
21°C (70°F)
23°C (73°F)
Min temperature
19°C (66°F)
17°C (63°F)
18°C (64°F)
Monthly sun hours
132 hours
110 hours
99 hours
Monthly rainfall
43 mm (1.7 in)
40 mm (1.6 in)
45 mm (1.8 in)
Monthly rainy days
11 days
12 days
12 days
Weather conditions
perfect
perfect
perfect
Climate in Haikou →

Qionghai

In January Qionghai generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 17°C (63°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« December
January
February »
December
January
February
Max temperature
24°C (75°F)
23°C (73°F)
24°C (75°F)
Min temperature
18°C (64°F)
17°C (63°F)
18°C (64°F)
Monthly rainfall
46 mm (1.8 in)
36 mm (1.4 in)
38 mm (1.5 in)
Monthly rainy days
13 days
13 days
13 days
Weather conditions
perfect
perfect
perfect
Climate in Qionghai →

Wenchang

In January Wenchang generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 17°C (63°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« December
January
February »
December
January
February
Max temperature
24°C (75°F)
23°C (73°F)
25°C (77°F)
Min temperature
19°C (66°F)
17°C (63°F)
18°C (64°F)
Monthly sun hours
132 hours
110 hours
99 hours
Monthly rainfall
41 mm (1.6 in)
34 mm (1.3 in)
41 mm (1.6 in)
Monthly rainy days
12 days
13 days
13 days
Weather conditions
perfect
perfect
perfect
Climate in Wenchang →

Wanning

In January Wanning generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 19°C (66°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« December
January
February »
December
January
February
Max temperature
24°C (75°F)
23°C (73°F)
24°C (75°F)
Min temperature
20°C (68°F)
19°C (66°F)
19°C (66°F)
Monthly rainfall
99 mm (3.9 in)
68 mm (2.7 in)
59 mm (2.3 in)
Monthly rainy days
11 days
11 days
11 days
Weather conditions
perfect
perfect
perfect
Climate in Wanning →

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

In our records: China January extremes

Notable January records observed across cities in China in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest January daytime high in China was -43°C (-45°F) in Ergun on January 11, 2001.

Popular cities in January

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

City Weather Day temp Night temp Rainfall
Sanya 24°C (75°F) 19°C (66°F) 17 mm (0.7 in)
Haikou 21°C (70°F) 17°C (63°F) 40 mm (1.6 in)
Qionghai 23°C (73°F) 17°C (63°F) 36 mm (1.4 in)
Wenchang 23°C (73°F) 17°C (63°F) 34 mm (1.3 in)
Wanning 23°C (73°F) 19°C (66°F) 68 mm (2.7 in)
Danzhou 24°C (75°F) 15°C (59°F) 21 mm (0.8 in)

Hainan weather in January: frequently asked questions

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

In January, Hainan, China generally has perfect weather conditions. Sanya sees daytime temperatures near 24°C (75°F), with nights cooling to roughly 19°C (66°F).

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

Sanya averages a daytime maximum of 24°C (75°F) in January, with overnight lows close to 19°C (66°F).

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

January is on the drier side in Hainan, China. Sanya averages only about 17 mm (0.7 in), with most days staying dry.

Is January a Good Time to Visit Hainan, China?

We consider January to be one of the best times to travel to Hainan, China. Typically, the climate in Sanya is perfect.

On average, the best time to visit Hainan, China is in January, February, March, April, November and December with generally 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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