The Li River: A Journey Through China’s Most Breathtaking Landscape
Explore the Li River, China's breathtaking landscape with majestic mountains, serene waters, and picturesque views. A must-see for every traveler.
Sanya Weather in December
December in Sanya brings high temperatures, with daytime highs of 25°C (77°F) and nights around 19°C (66°F). The excellent weather makes it a solid choice for a visit.
Rainfall in Sanya in December
Historically, approximately 7 days this month are expected to have rain, averaging 30 mm (1.2 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Sanya in December
December is a good time to be in Sanya. Days are excellent, reaching 25°C (77°F), with nights around 19°C (66°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 19°C (66°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, November and December typically offer the best weather for Sanya.
Sanya Temperature in December
Min Temperature
19°C (66°F)
Max Temperature
25°C (77°F)
Chance of Rain
24%
Precipitation
30 mm (1.2 in)
Rainy days
7 days
Humidity
83%
Sanya Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sanya - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Sanya typically stay consistent throughout December, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows typically ranging from 18°C (64°F) to 21°C (70°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather records for Sanya in December
Browse day-by-day weather records for Sanya spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sanya historical weather extremes in December
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Sanya.
- The warmest day in December was on December 8, 2006, with a maximum of 33°C (91°F).
- Sanya experienced its chilliest December day on December 29, 1991, reaching only 17°C (63°F).
- The lowest overnight temperature recorded in December was 9°C (48°F) (December 25, 1999).
Best Places in China in December
Find out more about the weather in China and which places have the best travel conditions in this month. See all of China in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Sanya in December
Warm but pleasant conditions in Sanya in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Light rain is possible, so consider bringing a small umbrella or rain jacket.
What To Do in Sanya in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling8/10 -
Walking8/10 -
Camping10/10 -
Outdoor sports8/10
Sanya 3-Day Forecast
More climate data for Sanya
See the full Sanya climate overview or explore weather in China.
Popular in December
Where to go in December - average daytime high across popular destinations.
Guangzhou
22°C (72°F) Shenzhen22°C (72°F) Hangzhou
13°C (55°F) Chengdu
12°C (54°F) Shanghai12°C (54°F) Xi'an9°C (48°F) Qingdao8°C (46°F) Beijing5°C (41°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The Li River: A Journey Through China’s Most Breathtaking Landscape
Go to China's Zhangjiajie National Park with the highest, the fastest, largest-loaded outdoor elevator in the world
You won't find this unique landscape anywhere else in the world. Thousands of floating mountains overgrown with trees at the top dominate this fairy tale landscape.
Go to Xinjiang in China
In Xinjiang you get to see a mix of East and Central Asia. An experience that you might want to add to your bucket list. You can travel through the province as if you are following an ancient silk route.
Mount Kailash
The best time for a Kailash tour/trekking is from mid-May to mid-October when the temperature is most pleasant. It is warm, dry and sunny in that period.