Sanya, China - Detailed climate information and monthly weather forecast

April is the best period for swimming and other water activities in Sanya, China, as the sea temperature is 26.1°C (79°F), the rain falls for only 5.6 days, and 43.3mm (1.7") of rainfall is accumulated.

January, the same as December, is another warm winter month in Sanya, China, with average temperature varying between 26.1°C (79°F) and 18.5°C (65.3°F). January is the coldest month, with an average high-temperature of 26.1°C (79°F) and an average low-temperature of 18.5°C (65.3°F). Weather in January »

February, the last month of the winter, in Sanya, is another warm month, with average temperature ranging between max 26.8°C (80.2°F) and min 19.8°C (67.6°F). In Sanya, the average high-temperature is almost the same as in January - a still warm 26.8°C (80.2°F). Weather in February »

The first month of the spring, March, is also a moderately hot month in Sanya, China, with average temperature varying between 21.9°C (71.4°F) and 28.6°C (83.5°F). In Sanya, the average high-temperature in March is relatively the same as in February - a still moderately hot 28.6°C (83.5°F). Weather in March »

April is a tropical spring month in Sanya, China, with average temperature ranging between min 24.2°C (75.6°F) and max 30.7°C (87.3°F). The ideal sea water temperature of 26.1°C (79°F) and only 5.6 rainfall days, with 43.3mm (1.7") of accumulated rainfall, make April the best time for swimming and other water activities. Weather in April »

May, the last month of the spring, in Sanya, is another tropical month, with temperature in the range of an average low of 25.6°C (78.1°F) and an average high of 32°C (89.6°F). With an average high-temperature of 32°C (89.6°F) and an average low-temperature of 25.6°C (78.1°F), May is the warmest month. In Sanya, it is raining for 10 days, with typically 142.3mm (5.6") of accumulated precipitation. Weather in May »

The first month of the summer, June, is still a tropical month in Sanya, China, with average temperature fluctuating between 26.1°C (79°F) and 31.9°C (89.4°F). In June, the average high-temperature is almost the same as in May - a still tropical 31.9°C (89.4°F). Weather in June »

July, like June, is a hot summer month in Sanya, China, with average temperature ranging between min 25.9°C (78.6°F) and max 31.7°C (89.1°F). In July, the average high-temperature is relatively the same as in June - a still tropical 31.7°C (89.1°F). Weather in July »

August, the last month of the summer, in Sanya, is another tropical month, with average temperature ranging between min 25.5°C (77.9°F) and max 31.4°C (88.5°F). In Sanya, the average high-temperature is practically the same as in July - a still tropical 31.4°C (88.5°F). Weather in August »

September, the first month of the autumn, in Sanya, is also a hot month, with temperature in the range of an average low of 24.7°C (76.5°F) and an average high of 31.2°C (88.2°F). In Sanya, the average high-temperature is practically the same as in August - a still tropical 31.2°C (88.2°F). Weather in September »

October, the same as September, in Sanya, China, is a hot autumn month, with average temperature varying between 30.2°C (86.4°F) and 23.4°C (74.1°F). In October, the average high-temperature is essentially the same as in September - a still tropical 30.2°C (86.4°F). Weather in October »

The last month of the autumn, November, is also a moderately hot month in Sanya, China, with temperature in the range of an average high of 28.5°C (83.3°F) and an average low of 21.3°C (70.3°F). In Sanya, China, the average high-temperature is practically the same as in October - a moderately hot 28.5°C (83.3°F). Weather in November »

The first month of the winter, December, is still a warm month in Sanya, China, with temperature in the range of an average high of 26.6°C (79.9°F) and an average low of 19°C (66.2°F). In Sanya, the average high-temperature is relatively the same as in November - a still warm 26.6°C (79.9°F). Weather in December »

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What is the coldest month in Sanya?

With an average high-temperature of 26.1°C (79°F) and an average low-temperature of 18.5°C (65.3°F), January is the coldest month in Sanya, China.

How many days does it rain in Sanya?

Throughout the year, in Sanya, China, there are 111.1 rainfall days, and 1392.1mm (54.8") of precipitation is accumulated.

What is the driest month in Sanya?

January is the month with the least rainfall. Rain falls for 3.4 days and accumulates 8mm (0.3") of precipitation.

What is the month with the least sunshine in Sanya?

Months with the least sunshine in Sanya, China, are January through March, with an average of 5h of sunshine.

When is the sea coldest in Sanya?

With an average sea temperature of 23°C (73.4°F), February is the month with the coldest seawater.

When is the highest UV index in Sanya?

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

What is the warmest month in Sanya?

May is the warmest month in Sanya, China, with an average high-temperature of 32°C (89.6°F) and an average low-temperature of 25.6°C (78.1°F).

What is the month with the most sunshine in Sanya?

May and July, with an average of 7h of sunshine, are months with the most sunshine.

When are the longest days in Sanya?

June has the longest days of the year in Sanya, with an average of 13.2h of daylight.

When is the sea warmest in Sanya?

The month with the warmest seawater in Sanya is July, with an average sea temperature of 29.8°C (85.6°F).

What is the wettest month in Sanya?

The month with the most rainfall in Sanya, China, is September when the rain falls for 17 days and typically aggregates up to 251.4mm (9.9") of precipitation.

What is the month with the shortest days in Sanya?

The month with the shortest days in Sanya, China, is December, with an average of 11h of daylight.

When is the lowest UV index in Sanya?

December is the month with the lowest UV index in Sanya, with an average maximum UV index of 8.

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Long-term

Climate J F M A M J J A S O N D Year

Average high temperature in January:
26.1°C
Average high temperature in February:
26.8°C
Average high temperature in March:
28.6°C
Average high temperature in April:
30.7°C
Average high temperature in May:
32°C
Average high temperature in June:
31.9°C

Average high temperature in July:
31.7°C
Average high temperature in August:
31.4°C
Average high temperature in September:
31.2°C
Average high temperature in October:
30.2°C
Average high temperature in November:
28.5°C
Average high temperature in December:
26.6°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 January:
18.5°C
Average low temperature in February:
19.8°C
Average low temperature in March:
21.9°C
Average low temperature in April:
24.2°C
Average low temperature in May:
25.6°C
Average low temperature in June:
26.1°C

Average low temperature in July:
25.9°C
Average low temperature in August:
25.5°C
Average low temperature in September:
24.7°C
Average low temperature in October:
23.4°C
Average low temperature in November:
21.3°C
Average low temperature in December:
19°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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The wettest month (with the highest rainfall) is September (251.4mm).
The driest month (with the lowest rainfall) is January (8mm).

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Average rainfall days in January:
3.4 days
Average rainfall days in February:
3.6 days
Average rainfall days in March:
3.9 days
Average rainfall days in April:
5.6 days
Average rainfall days in May:
10 days
Average rainfall days in June:
14 days

Average rainfall days in July:
13.8 days
Average rainfall days in August:
16 days
Average rainfall days in September:
17 days
Average rainfall days in October:
13.5 days
Average rainfall days in November:
6.6 days
Average rainfall days in December:
3.7 days

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

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Average sea temperature in January:
23.4°C
Average sea temperature in February:
23°C
Average sea temperature in March:
23.4°C
Average sea temperature in April:
26.1°C
Average sea temperature in May:
28.9°C
Average sea temperature in June:
29.7°C

Average sea temperature in July:
29.8°C
Average sea temperature in August:
28.8°C
Average sea temperature in September:
28.3°C
Average sea temperature in October:
27.2°C
Average sea temperature in November:
26.6°C
Average sea temperature in December:
24.5°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 / Average sunshine - Sanya, China

The month with the longest days is June (Average daylight: 13.2h).
The month with shortest days is December (Average daylight: 11h).

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

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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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Monthly weather forecast and climate
Sanya, China

Contents

The best time to visit Sanya

Weather in January

Weather in February

Weather in March

Weather in April

Weather in May

Weather in June

Weather in July

Weather in August

Weather in September

Weather in October

Weather in November

Weather in December