March weather forecast
Sanya, China

The arrival of March in Sanya introduces a visible shift towards warmer weather. With a moderate UV index of 12, visitors should consider bringing adequate sun protection. Despite an increase in average rainfall to 19mm (0.75"), the rain does not last long enough to dampen the high spirits of visitors. March signals the city's move towards a more humid climate as the temperatures continue to ascend. Overall, March remains an inviting month for outdoor activities amid the sporadic showers.

Temperature

Sanya's weather, upon March's arrival, documents an average high-temperature of a still warm 28.6°C (83.5°F), nearly identical to the prior month. The month of March records an average low-temperature of 21.9°C (71.4°F).

Rainfall

In Sanya, in March, during 3.9 rainfall days, 19mm (0.75") of precipitation is typically accumulated. 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: 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).

Daylight

The average length of the day in March is 12h and 2min.
On the first day of the month, sunrise is at 07:00 and sunset at 18:48. On the last day of March, sunrise is at 06:36 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

March through September, with an average maximum UV index of 12, are months with the highest UV index in Sanya. A UV Index of 11, and more, symbolizes an extreme health hazard from exposure to the Sun's UV rays for the average person.
Note: In March, an average UV index of 12 transforms into the following instructions:
Put into action all crucial precautions. Defense against sun damage is a must. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Protect yourself by liberally applying a sunscreen of at least 30 SPF. Sunscreen prevents sunburn and decreases the damaging effects of Sun's radiation on the immune system. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.