April weather forecast
Sanya, China

April in Sanya takes a leap into a warmer, more humid climate from the more moderate March weather. Noteworthily, it becomes the wettest month so far, receiving a significant rainfall measuring from 19mm (0.75") in March to 43mm (1.69"). The increase in rainfall brings a freshness to the city and adds to the beauty of the landscapes. Despite a greater chance of rainfall, the weather remains largely bearable for sightseeing and outdoor activities. April witnesses a notable change in the city's weather as the fleeting spring season gives way to summer.

Temperature

April's onset records a minor alteration in the average high-temperature to a hot 30.7°C (87.3°F) from March's 28.6°C (83.5°F). During the month of April, Sanya experiences a steady low-temperature average of 24.2°C (75.6°F).

Rainfall

In Sanya, in April, it is raining for 5.6 days, with typically 43mm (1.69") 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, China, in April, the average water temperature is 26.1°C (79°F).
Note: Surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as excellent and extremely agreeable for enduring enjoyment in water activities.

Daylight

In Sanya, the average length of the day in April is 12h and 34min.
On the first day of April, sunrise is at 06:35 and sunset at 18:55. On the last day of the month, sunrise is at 06:15 and sunset at 19:03 CST.

Sunshine

In Sanya, the average sunshine in April is 6h.

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 estimate of 11, and higher, represents an extreme health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum UV index of 12 in April translates into the following recommendations:
Enforce all necessary precautions, unprotected skin might burn swiftly. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Directly after outdoor activities or swimming, a broad-spectrum sunscreen with SPF 30+ should be applied generously and reapplied frequently. Attention! The reflection of both water and sand can increase the intensity of UV rays.