Sanya Hainan weather in January
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Sanya Hainan January weather at a glance
In January, Sanya Hainan averages 21.1°C, with typical highs of 25.1°C and lows of 18.1°C. The historical average is 2 wet days and 70% humidity.
Sanya Hainan January temperature & humidity
Sanya Hainan January rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Sanya Hainan in January
Choose breathable summer clothes and pack sun protection.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 25.1°C
- Morning & eveningLight layer for air-conditioned rooms · average low 18.1°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Sanya Hainan January sunrise & sunset times
2026 January · Local time (Asia/Shanghai)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-01-01 | 07:14 | 18:17 | 11h 4m |
| 2026-01-15 | 07:17 | 18:26 | 11h 9m |
| 2026-01-31 | 07:15 | 18:35 | 11h 20m |
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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Today’s weather and forecast
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Forecast · Windy. Monthly averages are in the Temperature section.
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Sanya Hainan city map
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Sanya Hainan travel essentials
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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.
January 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 January?
In January, Sanya Hainan averages 21.1°C, with typical highs of 25.1°C and lows of 18.1°C. The historical average is 2 wet days and 70% humidity. Our weather-comfort rating for this month is excellent.
Does it rain a lot in Sanya Hainan in January?
There are about 2 wet days in January. A compact umbrella is still useful.
What should I wear in Sanya Hainan in January?
Choose breathable summer clothes and pack sun protection.
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 January 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 January?
On 2026-01-15, calculated sunrise is 07:17 and sunset is 18:26 in local time (Asia/Shanghai). Times vary by date and terrain.
Sanya Hainan weather by month
More Greater China destinations in January
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