August · China
Best time to visit Sanya in August Weather, crowds & prices
Weather in Sanya in August
Average temperature 27°C, 237 mm of rain, about 22 days with 6+ hours of sunshine and 87% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
5.8/10
Ranked #8 of 12 months
- Avg temp
- 27°C
- Rainfall
- 237 mm
- Humidity
- 87%
- Days with 6h+ sun
- 22
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
August in Sanya scores 5.8/10 for beach and coastal travel - ranked #8 of 12. Expect around 27°C, 237 mm of rain, and roughly 22 days with 6+ hours of sunshine this month.
Tropical island beach paradise on Hainan Island, China's Hawaii.
August in Sanya — workable with trade-offs
August averages 27°C (81°F) and humidity near 87%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
237 mm makes this the wettest stretch of the year, though about 22 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 5.8/10 here, 8th of 12 months, against 9.5/10 in the destination's best month.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Figure on mid-season pricing, with crowds are moderate.
Flexible dates? March scores 3.7 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Sanya in August?
- In August, Sanya averages 27°C, 237 mm of rain, and about 22 days with 6+ hours of sunshine. Its climate-comfort score is 5.8/10.
- Is August a good time to visit Sanya?
- August earns a 5.8/10 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 August?
- Expect about 237 mm of rain in August. Average humidity is 87% and there are about 22 days with 6+ hours of sunshine.
Curated in Sanya
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