Charlestown
December
Weather in Charlestown for December 2025
Your guide to Charlestown weather in December - trends and predictions
In general, the average temperature in Charlestown at the beginning of December is 27.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 26.1 °C by the end of December.
Charlestown experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 55.5 mm.
Temperatures
Rain 🌧️
10
Dry days
21
Rainy days
0
Snow days
27°/26°
Temperatures
30 km/h
Avg max wind
72 %
Avg humidity
Charlestown in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2 28° | 3 28° | 4 28° | 5 28° | 6 28° | 7 27° |
| 8 28° | 9 27° | 10 27° | 11 27° | 12  27° | 13 26° | 14 27° |
| 15 27° | 16 27° | 17 27° | 18 27° | 19 27° | 20  27° | 21 27° |
| 22 27° | 23 27° | 24 27° | 25 27° | 26 26° | 27 26° | 28 26° |
| 29 26° | 30 26° | 31 26° |
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Temperatures trend during December in Charlestown
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 | 28° /26° | 2.8 mm | 6 | |
| 2 Dec. | Light rain shower | 28° /26° | 3.5 mm | 6 | |
| 3 Dec. | Light rain shower | 28° /26° | 9.3 mm | 6 | |
| 4 Dec. | Light rain shower | 28° /27° | 2.9 mm | 6 | |
| 5 Dec. | Patchy rain possible | 28° /26° | 1.8 mm | 6 | |
| 6 Dec. | Light rain shower | 28° /27° | 3 mm | 6 | |
| 7 Dec. | Patchy rain possible | 27° /27° | 3.6 mm | 6 | |
| 8 Dec. | Light rain shower | 28° /26° | 1.9 mm | 6 | |
| 9 Dec. | Patchy rain possible | 27° /26° | 1.7 mm | 6 | |
| 10 Dec. | Patchy rain possible | 27° /26° | 1.8 mm | 6 | |
| 11 Dec. | Light rain shower | 27° /26° | 2.7 mm | 6 | |
| 12 Dec. | Patchy light drizzle | 27° /26° | 1.8 mm | 6 | |
| 13 Dec. | Light rain shower | 26° /25° | 1.6 mm | 6 | |
| 14 Dec. | Light rain shower | 27° /26° | 3.5 mm | 6 | |
| 15 Dec. | Light rain shower | 27° /26° | 3.3 mm | 6 | |
| 16 Dec. | Light rain shower | 27° /26° | 4.8 mm | 6 | |
| 17 Dec. | Light rain shower | 27° /26° | 3.1 mm | 6 | |
| 18 Dec. | Patchy rain possible | 27° /26° | 2.2 mm | 6 | |
| 19 Dec. | Patchy rain possible | 27° /26° | 2.2 mm | 6 | |
| 20 Dec. | Partly cloudy | 27° /25° | 1.6 mm | 7 | |
| 21 Dec. | Patchy rain possible | 27° /25° | 1.8 mm | 6 | |
| 22 Dec. | Patchy rain possible | 27° /26° | 1.4 mm | 6 | |
| 23 Dec. | Patchy light drizzle | 27° /25° | 2.4 mm | 6 | |
| 24 Dec. | Light rain shower | 27° /25° | 2.1 mm | 6 | |
| 25 Dec. | Patchy rain possible | 27° /25° | 0.4 mm | 6 | |
| 26 Dec. | Patchy light drizzle | 26° /25° | 1.2 mm | 6 | |
| 27 Dec. | Patchy rain possible | 26° /25° | 1.2 mm | 6 | |
| 28 Dec. | Patchy rain possible | 26° /25° | 0.1 mm | 6 | |
| 29 Dec. | Partly cloudy | 26° /25° | 0.3 mm | 7 | |
| 30 Dec. | Patchy rain possible | 26° /24° | 0.9 mm | 6 | |
| 31 Dec. | Light rain shower | 26° /25° | 2.5 mm | 6 | |
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Important Notice
Our weather forecast for Charlestown 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 Charlestown forecast closer to your planned date for the most up-to-date weather information.
Charlestown in December - FAQ
What are the expected maximum and minimum temperatures in Charlestown 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 Charlestown during December?
Moderate rainfall is anticipated in Charlestown during December, with a total of 55.5 mm spread over approximately 21 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Charlestown during December?
The average wind speed in Charlestown during December is 30 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Charlestown
Explore the daily rainfall trends and prepare for Charlestowns December weather 💧
UV exposure in Charlestown during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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