Sanya Hainan weather in August
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Sanya Hainan August weather at a glance
In August, Sanya Hainan averages 28.6°C, with typical highs of 31.1°C and lows of 26.4°C. The historical average is 19 wet days and 84% humidity.
Sanya Hainan August temperature & humidity
Sanya Hainan August rain & wet days
Pack a light rain jacket, waterproof pouch and quick-dry shoes. Keep an indoor stop available between outdoor activities.
What to wear in Sanya Hainan in August
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Rain is frequent at roughly 19 days in the month; pack a rain jacket and water-resistant shoes. High humidity makes quick-dry clothing and a spare top especially useful.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 31.1°C
- Morning & eveningLight layer for air-conditioned rooms · average low 26.4°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Sanya Hainan August sunrise & sunset times
2026 August · Local time (Asia/Shanghai)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-08-01 | 06:20 | 19:17 | 12h 57m |
| 2026-08-15 | 06:24 | 19:09 | 12h 45m |
| 2026-08-31 | 06:27 | 18:57 | 12h 30m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Sanya Hainan travel updates
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Best months to visit Sanya Hainan
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
August weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Sanya Hainan weather like in August?
In August, Sanya Hainan averages 28.6°C, with typical highs of 31.1°C and lows of 26.4°C. The historical average is 19 wet days and 84% humidity. Our weather-comfort rating for this month is challenging.
Does it rain a lot in Sanya Hainan in August?
There are about 19 wet days in August. Pack a rain jacket and water-resistant shoes.
What should I wear in Sanya Hainan in August?
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Rain is frequent at roughly 19 days in the month; pack a rain jacket and water-resistant shoes. High humidity makes quick-dry clothing and a spare top especially useful.
What are the best months to visit Sanya Hainan?
Recent weather data rates January, February, March, November among the more comfortable months.
Where can I check Sanya Hainan weather in August in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Sanya Hainan in August?
On 2026-08-15, calculated sunrise is 06:24 and sunset is 19:09 in local time (Asia/Shanghai). Times vary by date and terrain.
Sanya Hainan weather by month
More Greater China destinations in August
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations