Hainan (Hainan Dao)
December
Weather in Hainan for December 2025
Your guide to Hainan weather in December - trends and predictions
In general, the average temperature in Hainan at the beginning of December is 25.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.6 °C by the end of December.
The climate of Hainan in December is notably wet, with an average of 11 rainy days, and a total of 12 mm of precipitation.
Is December a good time to visit Hainan? check out the best time to travel to Hainan page.
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Temperatures
Rain 🌧️
More
20
Dry days
11
Rainy days
0
Snow days
22°/15°
Temperatures
19 km/h
Avg max wind
78 %
Avg humidity
Hainan in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2 26° | 3 26° | 4 27° | 5 25° | 6  26° | 7 26° |
| 8 23° | 9 23° | 10 25° | 11 24° | 12  20° | 13 19° | 14 15° |
| 15  16° | 16 17° | 17 22° | 18 22° | 19 22° | 20  22° | 21  22° |
| 22 20° | 23 17° | 24 19° | 25 18° | 26 19° | 27 18° | 28 21° |
| 29 22° | 30 23° | 31 23° |
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Temperatures trend during December in Hainan
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. | Patchy rain possible | 25° /15° | 0 mm | 6 | |
| 2 Dec. | Patchy rain possible | 26° /19° | 0.1 mm | 6 | |
| 3 Dec. | Patchy rain possible | 26° /18° | 0.2 mm | 6 | |
| 4 Dec. | Patchy rain possible | 27° /18° | 0 mm | 6 | |
| 5 Dec. | Patchy rain possible | 25° /18° | 0.6 mm | 6 | |
| 6 Dec. | Cloudy | 26° /19° | 0 mm | 6 | |
| 7 Dec. | Patchy rain possible | 26° /19° | 0.1 mm | 6 | |
| 8 Dec. | Patchy rain possible | 23° /16° | 0.1 mm | 5 | |
| 9 Dec. | Patchy rain possible | 23° /15° | 0.3 mm | 5 | |
| 10 Dec. | Patchy rain possible | 25° /18° | 0.1 mm | 6 | |
| 11 Dec. | Light rain shower | 24° /19° | 0.7 mm | 5 | |
| 12 Dec. | Light drizzle | 20° /18° | 1 mm | 5 | |
| 13 Dec. | Light drizzle | 19° /14° | 3 mm | 4 | |
| 14 Dec. | Patchy rain possible | 15° /11° | 2.2 mm | 4 | |
| 15 Dec. | Overcast | 16° /12° | 0.3 mm | 4 | |
| 16 Dec. | Patchy rain possible | 17° /13° | 0.1 mm | 4 | |
| 17 Dec. | Overcast | 22° /13° | 0.1 mm | 5 | |
| 18 Dec. | Patchy rain possible | 22° /15° | 0.6 mm | 5 | |
| 19 Dec. | Cloudy | 22° /13° | 0 mm | 5 | |
| 20 Dec. | Partly cloudy | 22° /13° | 0 mm | 6 | |
| 21 Dec. | Sunny | 22° /12° | 0 mm | 6 | |
| 22 Dec. | Patchy rain possible | 20° /12° | 0.1 mm | 5 | |
| 23 Dec. | Patchy rain possible | 17° /14° | 0.3 mm | 4 | |
| 24 Dec. | Overcast | 19° /15° | 0 mm | 4 | |
| 25 Dec. | Patchy rain possible | 18° /16° | 0.6 mm | 4 | |
| 26 Dec. | Light drizzle | 19° /16° | 0.9 mm | 4 | |
| 27 Dec. | Patchy rain possible | 18° /16° | 0.6 mm | 4 | |
| 28 Dec. | Overcast | 21° /15° | 0 mm | 5 | |
| 29 Dec. | Overcast | 22° /15° | 0 mm | 5 | |
| 30 Dec. | Patchy rain possible | 23° /14° | 0.1 mm | 5 | |
| 31 Dec. | Overcast | 23° /15° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Hainan 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 Hainan forecast closer to your planned date for the most up-to-date weather information.
Hainan in December - FAQ
What are the expected maximum and minimum temperatures in Hainan during December?
During December, expect a variety of temperatures with highs around 22° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Hainan during December?
Expect minimal rainfall in Hainan during December, with a total of 12 mm over approximately 11 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Hainan during December?
The average wind speed in Hainan during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Hainan in December?
As you prepare for your trip to Hainan 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 Hainan, during December, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
December rainfall patterns in Hainan
Explore the daily rainfall trends and prepare for Hainans December weather 💧
UV exposure in Hainan during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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