Sanya weather in March
Temperature, sea and sunshine in March: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in March
Good
Best time to visit: November – March
What is the weather like in Sanya in March?
In March, Sanya is warm: daytime highs average 26 °C, and even at night it stays warm at around 22 °C. The sea averages 24.3 °C – pleasant for swimming. Expect around 4 hours of sunshine a day. Rain falls on about 7 days, adding up to 29 mm. The air is often humid and muggy. All in all, March is a good month for a holiday in Sanya.
March compared
How the weather changes from February to April. Tap a month to open it.
| FebruaryFeb | MarchMar | AprilApr | |
|---|---|---|---|
| Score | 82 | 78 | 55 |
| Day | 24° | 26° | 29° |
| Night | 20° | 22° | 25° |
| Sea | 23° | 24° | 26° |
| Sun | 4 h | 4 h | 5 h |
| Rain days | 4 | 7 | 15 |
More details for March
- Daylight
- 12 h 1 min06:51 – 18:52
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 26 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 64 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+8Asia/Shanghai
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %23 %
- Few rainy daysweight 30 %76 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in March
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
Sanya in March: quick answers
Is Sanya hot in March?
Warm rather than hot: in March, daytime highs in Sanya average 26 °C and nights cool to about 22 °C.
Can you swim in Sanya in March?
Yes. In March the sea averages 24.3 °C – pleasant for swimming.
Does it rain much in Sanya in March?
Rain falls on about 7 days, adding up to 29 mm.
Sanya month by month
The whole year in SanyaAll destinations: ChinaWhere to go in MarchSea temperature in March
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