South Carolina (Myrtle Beach)
December
Weather in South Carolina for December 2025
Your guide to South Carolina weather in December - trends and predictions
Until now, December 2025 in South Carolina is cooler than usual, with temperatures averaging 11.9 °F, this is -2.3 °F below the typical seasonal average.
The forecast for the upcoming days in South Carolina predicts a temperature of 16.6 °F, which is slightly above the historical average.
In general, the average temperature in South Carolina at the beginning of December is 13.6 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 16.3 °F by the end of December.
The climate of South Carolina in December is notably wet, with an average of 11 rainy days, and a total of 178.3 mm of precipitation.
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Temperatures
Rain 🌧️
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20
Dry days
11
Rainy days
0
Snow days
14°/8°
Temperatures
22 km/h
Avg max wind
68 %
Avg humidity
South Carolina Weather December
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What’s the Weather Like in South Carolina This December?
Discover the average temperatures and weather trends across South Carolina’s cities this December.
Temperatures trend during December in South Carolina
See the weather trend as well as the moving average line
December weather in South Carolina day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 15° /8° | 0 mm | 4 | |
| Dec. 2 |  Light drizzle | 16° /9° | 19.7 mm | 4 | |
| Dec. 3 | Overcast | 14° /8° | 1.8 mm | 4 | |
| Dec. 4 | Overcast | 15° /7° | 0 mm | 4 | |
| Dec. 5 | Overcast | 13° /6° | 23.3 mm | 3 | |
| Dec. 6 | Overcast | 11° /4° | 11.3 mm | 3 | |
| Dec. 7 |  Sunny | 11° /4° | 0 mm | 3 | |
| Dec. 8 | Overcast | 13° /6° | 1.8 mm | 4 | |
| Dec. 9 |  Patchy rain possible | 16° /9° | 0 mm | 4 | |
| Dec. 10 |  Moderate or heavy rain shower | 19° /12° | 10.9 mm | 5 | |
| Dec. 11 | Sunny | 14° /7° | 11.4 mm | 4 | |
| Dec. 12 | Sunny | 13° /4° | 0 mm | 4 | |
| Dec. 13 | Sunny | 14° /7° | 0 mm | 4 | |
| Dec. 14 |  Cloudy | 14° /4° | 0 mm | 4 | |
| Dec. 15 | Sunny | 11° /2° | 0 mm | 3 | |
| Dec. 16 | Sunny | 13° /-2° | 0 mm | 0.6 | |
| Dec. 17 | Overcast | 10° /7° | 0 mm | 0.5 | |
| Dec. 18 |  Heavy rain | 19° /11° | 47.7 mm | 0.5 | |
| Dec. 19 |  Partly cloudy | 18° /9° | 0.1 mm | 0.5 | |
| Dec. 20 | Sunny | 12° /5° | 0 mm | 0 | |
| Dec. 21 | Sunny | 20° /12° | 0 mm | 5 | |
| Dec. 22 | Sunny | 16° /11° | 0 mm | 4 | |
| Dec. 23 | Partly cloudy | 17° /9° | 0 mm | 4 | |
| Dec. 24 | Partly cloudy | 21° /14° | 0 mm | 5 | |
| Dec. 25 | Patchy rain possible | 18° /14° | 0.2 mm | 4 | |
| Dec. 26 | Sunny | 22° /16° | 0 mm | 5 | |
| Dec. 27 | Sunny | 23° /16° | 0 mm | 5 | |
| Dec. 28 | Overcast | 15° /12° | 0.1 mm | 3 | |
| Dec. 29 | Partly cloudy | 9° /7° | 0 mm | 3 | |
| Dec. 30 | Patchy rain possible | 14° /9° | 1.9 mm | 3 | |
| Dec. 31 | Sunny | 13° /7° | 0 mm | 4 | |
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Important Notice
Our weather forecast for South Carolina 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 South Carolina forecast closer to your planned date for the most up-to-date weather information.
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South Carolina in December - FAQ
What are the expected maximum and minimum temperatures in South Carolina during December?
During December, expect a variety of temperatures with highs around 14° and lows near 8°, suitable for diverse activities and preferences.
How much rainfall should be expected in South Carolina during December?
Significant rainfall exceeding 178.3 mm is expected in South Carolina during December, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in South Carolina during December?
The average wind speed in South Carolina during December is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in South Carolina
Explore the daily rainfall trends and prepare for South Carolinas December weather 💧
Typically, South Carolina has 11 rainy days in December with a total of 178.3 mm of rainfall.
UV exposure in South Carolina during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
Counties in South Carolina
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