March weather forecast
Sanya, China

Weather in March

The first month of the spring, March, is also a moderately hot month in Sanya, China, with temperature in the range of an average high of 28.6°C (83.5°F) and an average low of 21.9°C (71.4°F).

Temperature

In Sanya, the average high-temperature in March is practically the same as in February - a still moderately hot 28.6°C (83.5°F). In Sanya, in March, the average low-temperature is 21.9°C (71.4°F).

Rainfall

In Sanya, in March, it is raining for 3.9 days, with typically 19mm (0.75") of accumulated precipitation. In Sanya, during the entire year, the rain falls for 111.1 days and collects up to 1392mm (54.8") of precipitation.

Sea temperature

In Sanya, the average seawater temperature in March is 23.4°C (74.1°F).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23.4°C (74.1°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)

Daylight

In March, the average length of the day in Sanya is 12h and 2min.
On the first day of the month, sunrise is at 07:00 and sunset at 18:47. On the last day of March, sunrise is at 06:37 and sunset at 18:55 CST.

Sunshine

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

UV index

The months with the highest UV index in Sanya are March through September, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an ultimate health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 12 in March transform into the following instructions:
Take all necessary precautions, as unprotected skin can burn in minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Prolonged stay under the direct sun should be avoided as much as possible, especially if a person burns easily. Sunscreen with a minimum 30 sun protection factor should always be used. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in March in Sanya?

In March, in Sanya, the average high-temperature is 28.6°C (83.5°F), and the average low-temperature is 21.9°C (71.4°F).

How many days does it rain in March in Sanya?

In Sanya, China, during March, the rain falls for 3.9 days and regularly aggregates up to 19mm (0.75") of precipitation.

What is the water temperature in March in Sanya?

In March, the average sea temperature in Sanya is 23.4°C (74.1°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 23.4°C (74.1°F).

How many hours of daylight does Sanya have in March?

In Sanya, the average day length in March is 12h and 2min.

When are sunrise and sunset in March in Sanya?

In March, on the first day of the month, sunrise is at 07:00 and sunset at 18:47. On the last day of the month, in Sanya, sunrise is at 06:37 and sunset at 18:55 CST.

What are the months with the least sunshine in Sanya?

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

How many hours of sunshine does Sanya have in March?

The average sunshine duration in March is 5h.

What are the months with the highest UV index in Sanya?

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

How high is the UV index in March in Sanya?

The average daily maximum UV index in March in Sanya, China, is 12. A UV Index of 11, and more, symbolizes an ultimate hazard to health from unprotected exposure to UV radiation.
Average rainfall days
Average sunshine
Average UV index

Average temperature in March
Sanya, China

Average temperature in March - Sanya, China
  • Average high temperature in March: 28.6°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 March: 21.9°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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Average rainfall in March
Sanya, China

Average rainfall in March - Sanya, China
  • Average rainfall in March: 19.2mm

The wettest month (with the highest rainfall) is September (251.4mm).
The driest month (with the least rainfall) is January (8mm).

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Average rainfall days in March
Sanya, China

Average rainfall days in March - Sanya, China
  • Average rainfall days in March: 3.9 days

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

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Average sea temperature in March
Sanya, China

Average sea temperature in March - Sanya, China
  • Average sea temperature in March: 23.4°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 in March /
Average sunshine in March
Sanya, China

Average daylight in March / Average sunshine in March - Sanya, China
  • Average daylight in March: 12h and 2min

The month with the longest days is June (Average daylight: 13h and 13min).
The month with the shortest days is December (Average daylight: 11h and 4min).

  • Average sunshine in March: 5h

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

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Average UV index in March
Sanya, China

Average UV index in March - Sanya, China
  • Average UV index in March: 12

The 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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