March · China
Best time to visit Sanya in March Weather, crowds & prices
Weather in Sanya in March
Average temperature 24°C, 31 mm of rain, about 20 days with 6+ hours of sunshine and 77% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
March score
9.5/10
Ranked #1 of 12 months
- Avg temp
- 24°C
- Rainfall
- 31 mm
- Humidity
- 77%
- Days with 6h+ sun
- 20
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
March in Sanya scores 9.5/10 for beach and coastal travel - the single best month of the year. Expect around 24°C, 31 mm of rain, and roughly 20 days with 6+ hours of sunshine this month.
Tropical island beach paradise on Hainan Island, China's Hawaii.
March: the best month of the year in Sanya
March averages 24°C (75°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Expect 31 mm of rain — occasional showers rather than washed-out days — alongside about 20 days with 6+ hours of sunshine and 11.9 daylight hours.
On our climate-comfort scale this is the top-ranked month of the year for Sanya at 9.5/10 — the reference point every other month on this page is measured against.
Pack light clothing, swimwear and real sun protection.
Figure on peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Sanya in March?
- In March, Sanya averages 24°C, 31 mm of rain, and about 20 days with 6+ hours of sunshine. Its climate-comfort score is 9.5/10.
- Is March a good time to visit Sanya?
- March earns a 9.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Sanya in March?
- Expect about 31 mm of rain in March. Average humidity is 77% and there are about 20 days with 6+ hours of sunshine.
Curated in Sanya
Tickets & experiences
Things to do in Sanya
Sanya, China. Live activities and tours from GetYourGuide, matched to this destination.