Sanya
December
Weather in Sanya for December 2025
Your guide to Sanya weather in December - trends and predictions
In general, the average temperature in Sanya at the beginning of December is 27.1 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 24.7 °C by the end of December.
With an average of 3 rainy days, Sanya experiences minimal rainfall in December.
Is December a good time to visit Sanya? check out the best time to travel to Sanya page.
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Temperatures
Rain 🌧️
More
28
Dry days
3
Rainy days
0
Snow days
25°/18°
Temperatures
19 km/h
Avg max wind
73 %
Avg humidity
Sanya Weather December
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Temperatures trend during December in Sanya
See the weather trend as well as the moving average line
December weather in Sanya day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Overcast | 27° /18° | 0 mm | 6 | |
| 2 Dec. | Overcast | 27° /20° | 0 mm | 6 | |
| 3 Dec. | Overcast | 28° /20° | 0 mm | 6 | |
| 4 Dec. |  Cloudy | 27° /21° | 0 mm | 6 | |
| 5 Dec. | Cloudy | 27° /20° | 0 mm | 6 | |
| 6 Dec. |  Partly cloudy | 27° /20° | 0 mm | 7 | |
| 7 Dec. | Partly cloudy | 27° /20° | 0 mm | 7 | |
| 8 Dec. |  Sunny | 26° /19° | 0 mm | 7 | |
| 9 Dec. | Overcast | 25° /18° | 0 mm | 6 | |
| 10 Dec. | Cloudy | 26° /20° | 0 mm | 6 | |
| 11 Dec. |  Moderate or heavy rain shower | 24° /21° | 2.7 mm | 5 | |
| 12 Dec. |  Patchy rain possible | 23° /21° | 0.2 mm | 5 | |
| 13 Dec. | Patchy rain possible | 24° /21° | 1.1 mm | 5 | |
| 14 Dec. | Overcast | 21° /17° | 0 mm | 5 | |
| 15 Dec. | Overcast | 19° /17° | 0 mm | 4 | |
| 16 Dec. | Partly cloudy | 23° /17° | 0 mm | 6 | |
| 17 Dec. | Partly cloudy | 24° /16° | 0 mm | 6 | |
| 18 Dec. | Overcast | 24° /17° | 0 mm | 5 | |
| 19 Dec. | Cloudy | 24° /17° | 0 mm | 5 | |
| 20 Dec. | Partly cloudy | 23° /16° | 0 mm | 6 | |
| 21 Dec. | Cloudy | 24° /15° | 0 mm | 5 | |
| 22 Dec. | Cloudy | 24° /14° | 0.2 mm | 5 | |
| 23 Dec. | Patchy rain possible | 21° /18° | 0.2 mm | 5 | |
| 24 Dec. | Overcast | 22° /18° | 0 mm | 5 | |
| 25 Dec. | Patchy rain possible | 24° /18° | 0.4 mm | 5 | |
| 26 Dec. | Overcast | 26° /20° | 0 mm | 6 | |
| 27 Dec. | Overcast | 26° /20° | 0 mm | 6 | |
| 28 Dec. | Overcast | 23° /18° | 0 mm | 5 | |
| 29 Dec. | Partly cloudy | 24° /16° | 0 mm | 6 | |
| 30 Dec. | Partly cloudy | 25° /17° | 0 mm | 7 | |
| 31 Dec. | Partly cloudy | 25° /18° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Sanya in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Sanya forecast closer to your planned date for the most up-to-date weather information.
Change Month
Sanya weather in December vs November vs January
Compare December weather in Sanya with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| November | December | January | |
|---|---|---|---|
| Weather | Patchy rain possible | Overcast | Sunny |
| Temperatures | 27°/21° | 25°/18° | 24°/16° |
| Rainfall | 42 mm | 5 mm | 6 mm |
| Wind | 17 km/h | 19.3 km/h | 18 km/h |
| Humidity | 78% | 73% | 70% |
| Rainy days | 8 days | 3 days | 7 days |
| Dry days | 22 days | 28 days | 24 days |
Planning a trip to Sanya? Discover the best time to visit
Sanya in December - FAQ
What are the expected maximum and minimum temperatures in Sanya during December?
During December, expect a variety of temperatures with highs around 25° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Sanya during December?
Rainfall in Sanya during December is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 3 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Sanya during December?
The average wind speed in Sanya during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Sanya in December?
As you prepare for your trip to Sanya in December, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Sanya, during December, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
December rainfall patterns in Sanya
Explore the daily rainfall trends and prepare for Sanyas December weather 💧
UV exposure in Sanya during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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