July · China
Best time to visit Sanya in July Weather, crowds & prices
Weather in Sanya in July
Average temperature 27°C, 315 mm of rain, about 23 days with 6+ hours of sunshine and 88% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
July score
5.7/10
Ranked #9 of 12 months
- Avg temp
- 27°C
- Rainfall
- 315 mm
- Humidity
- 88%
- Days with 6h+ sun
- 23
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
July in Sanya scores 5.7/10 for beach and coastal travel - ranked #9 of 12. Expect around 27°C, 315 mm of rain, and roughly 23 days with 6+ hours of sunshine this month.
Tropical island beach paradise on Hainan Island, China's Hawaii.
July in Sanya — middling scores, decent value
Days in July average 27°C (81°F) and humidity near 88% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
This is the year's wettest stretch at 315 mm, but with about 23 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 5.7/10 on the same scale — 9th of 12 months, versus 9.5/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Budget for mid-season pricing, and crowds are moderate.
If your dates are flexible, March is materially better in Sanya — 3.8 points higher on the same scale.
Frequently asked
- What is the weather like in Sanya in July?
- In July, Sanya averages 27°C, 315 mm of rain, and about 23 days with 6+ hours of sunshine. Its climate-comfort score is 5.7/10.
- Is July a good time to visit Sanya?
- July earns a 5.7/10 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 July?
- Expect about 315 mm of rain in July. Average humidity is 88% and there are about 23 days with 6+ hours of sunshine.
Curated in Sanya
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Sanya, China. Live activities and tours from GetYourGuide, matched to this destination.