Sanya weather in April
Temperature, sea and sunshine in April: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in April
Fair
Best time to visit: November – March
What is the weather like in Sanya in April?
In April, Sanya is hot: daytime highs average 29 °C, and even at night it stays warm at around 25 °C. The sea averages 26.4 °C – lovely and warm for swimming. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 15 days, totalling 79 mm. The air is often humid and muggy. All in all, April is a so-so month for a holiday in Sanya.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 12 h 32 min06:26 – 18:58
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 29 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 65 %on averageAll months
- Hot days
- 3 days30 °C or moreAll months
- Time zone
- UTC+8Asia/Shanghai
How the score comes together
- Temperatureweight 50 %81 %
- Sunshineweight 20 %33 %
- Few rainy daysweight 30 %25 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in April
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Sanya in April: quick answers
Is Sanya hot in April?
Yes. In April, Sanya is hot: daytime highs average 29 °C and nights stay around 25 °C. On about 3 days the thermometer climbs to 30 °C or more.
Can you swim in Sanya in April?
Yes. In April the sea averages 26.4 °C – lovely and warm for swimming.
Does it rain much in Sanya in April?
It rains often – on about 15 days, adding up to 79 mm.
Sanya month by month
The whole year in SanyaAll destinations: ChinaWhere to go in AprilSea temperature in April
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences