Saint Thomas Island (Charlotte Amalie)
December
Weather in Saint Thomas Island for December 2025
Your guide to Saint Thomas Island weather in December - trends and predictions
In general, the average temperature in Saint Thomas Island at the beginning of December is 28.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 26.4 °C by the end of December.
Saint Thomas Island in December brings notable rainfall, with an average of 20 rainy days and a total precipitation of 82.7 mm.
Temperatures
Rain 🌧️
11
Dry days
20
Rainy days
0
Snow days
27°/26°
Temperatures
33 km/h
Avg max wind
74 %
Avg humidity
Saint Thomas Island in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2  29° | 3 28° | 4  29° | 5 28° | 6 29° | 7 29° |
| 8 29° | 9 29° | 10 28° | 11  27° | 12 28° | 13 28° | 14 28° |
| 15 27° | 16 27° | 17 27° | 18 27° | 19 27° | 20 27° | 21 27° |
| 22 27° | 23 27° | 24 27° | 25 27° | 26 27° | 27 27° | 28 26° |
| 29 25° | 30 26° | 31 27° |
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Temperatures trend during December in Saint Thomas Island
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. | Overcast | 29° /26° | 5.1 mm | 6 | |
| 2 Dec. | Light rain shower | 29° /26° | 10.8 mm | 6 | |
| 3 Dec. | Light rain shower | 28° /26° | 8.5 mm | 7 | |
| 4 Dec. | Partly cloudy | 29° /26° | 2.4 mm | 7 | |
| 5 Dec. | Partly cloudy | 28° /26° | 0.7 mm | 7 | |
| 6 Dec. | Patchy rain possible | 29° /26° | 1.5 mm | 7 | |
| 7 Dec. | Patchy rain possible | 29° /26° | 4 mm | 6 | |
| 8 Dec. | Patchy rain possible | 29° /26° | 0 mm | 7 | |
| 9 Dec. | Patchy rain possible | 29° /26° | 5.3 mm | 6 | |
| 10 Dec. | Light rain shower | 28° /26° | 3.7 mm | 6 | |
| 11 Dec. | Patchy light drizzle | 27° /26° | 1.4 mm | 6 | |
| 12 Dec. | Light rain shower | 28° /26° | 5.5 mm | 6 | |
| 13 Dec. | Light rain shower | 28° /25° | 1 mm | 6 | |
| 14 Dec. | Patchy rain possible | 28° /26° | 2.8 mm | 6 | |
| 15 Dec. | Light rain shower | 27° /25° | 31.3 mm | 6 | |
| 16 Dec. | Light rain shower | 27° /25° | 21 mm | 6 | |
| 17 Dec. | Light rain shower | 27° /26° | 13.8 mm | 6 | |
| 18 Dec. | Light rain shower | 27° /25° | 17.2 mm | 6 | |
| 19 Dec. | Patchy rain possible | 27° /25° | 6.4 mm | 6 | |
| 20 Dec. | Partly cloudy | 27° /25° | 0 mm | 7 | |
| 21 Dec. | Patchy rain possible | 27° /25° | 0.2 mm | 6 | |
| 22 Dec. | Patchy rain possible | 27° /25° | 23.2 mm | 6 | |
| 23 Dec. | Overcast | 27° /25° | 3.7 mm | 6 | |
| 24 Dec. | Patchy rain possible | 27° /25° | 3.9 mm | 6 | |
| 25 Dec. | Patchy rain possible | 27° /25° | 0.3 mm | 6 | |
| 26 Dec. | Patchy rain possible | 27° /25° | 1.3 mm | 6 | |
| 27 Dec. | Patchy rain possible | 27° /25° | 2.7 mm | 6 | |
| 28 Dec. | Patchy rain possible | 26° /24° | 0.4 mm | 6 | |
| 29 Dec. | Patchy rain possible | 25° /24° | 0.5 mm | 6 | |
| 30 Dec. | Patchy rain possible | 26° /24° | 0.5 mm | 6 | |
| 31 Dec. | Overcast | 27° /25° | 0.6 mm | 6 | |
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Important Notice
Our weather forecast for Saint Thomas Island 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 Saint Thomas Island forecast closer to your planned date for the most up-to-date weather information.
Saint Thomas Island in December - FAQ
What are the expected maximum and minimum temperatures in Saint Thomas Island during December?
During December, expect a variety of temperatures with highs around 27° and lows near 26°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint Thomas Island during December?
Moderate rainfall is anticipated in Saint Thomas Island during December, with a total of 82.7 mm spread over approximately 20 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Saint Thomas Island during December?
The average wind speed in Saint Thomas Island during December is 33 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Saint Thomas Island
Explore the daily rainfall trends and prepare for Saint Thomas Islands December weather 💧
UV exposure in Saint Thomas Island during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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Where is Saint Thomas Island?Get accurate weather forecasts for Saint Thomas Island, located at latitude 18.342 and longitude -64.931. Stay updated with localized weather information tailored for Saint Thomas Island.
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