Weather in Sanya for December 2025
The forecast for the first days of December 2025 in Sanya predicts temperatures to be around 25 °C, close to the historical average.
In general, the average temperature in Sanya at the beginning of December is 25.1 °C. As the month progressed, temperatures tended to slightly decrease, 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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Sanya Weather December
Temperatures trend during December in Sanya
December weather in Sanya day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Patchy rain possible | 27° /22° | 0.7 mm | 1.7 | |
| 2 Dec. | Patchy rain possible | 27° /20° | 0.3 mm | 5 | |
| 3 Dec. |  Cloudy | 24° /20° | 0 mm | 5 | |
| 4 Dec. |  Overcast | 23° /19° | 0 mm | 5 | |
| 5 Dec. |  Partly cloudy | 24° /19° | 0 mm | 6 | |
| 6 Dec. | Partly cloudy | 25° /18° | 0 mm | 6 | |
| 7 Dec. | Partly cloudy | 26° /19° | 0.1 mm | 6 | |
| 8 Dec. |  Sunny | 26° /20° | 0 mm | 6 | |
| 9 Dec. | Partly cloudy | 25° /19° | 0.1 mm | 6 | |
| 10 Dec. | Patchy rain possible | 26° /21° | 0.3 mm | 5 | |
| 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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Sanya weather in December vs November vs January
| 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 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
UV exposure in Sanya during December
Quick links
Where is Sanya?Get accurate weather forecasts for Sanya, located at latitude 18.243 and longitude 109.505. Stay updated with localized weather information tailored for Sanya.