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 perfect 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 perfect, 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit China, check out our Sanya's climate page.
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%
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 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
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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit China, check out our Sanya's climate page.
See the full Sanya climate overview or explore weather in China.
