Greenville County (Greenville)
December
Weather in Greenville County, South Carolina for December 2025
Your guide to Greenville County weather in December - trends and predictions
Until now, December 2025 in Greenville County is slightly cooler than the historical average by -0.7 °F.
The forecast for the coming days of December 2025 predicts a temperature of 14.9 °F , which is warmer than usual.
In general, the average temperature in Greenville County at the beginning of December is 7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 17 °F by the end of December.
Greenville County experiences moderate rainfall in December, with an average of 6 rainy days and a total precipitation of 170 mm.
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Temperatures
Rain 🌧️
More
25
Dry days
6
Rainy days
0
Snow days
9°/3°
Temperatures
16 km/h
Avg max wind
72 %
Avg humidity
Greenville County Weather December
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Temperatures trend during December in Greenville County
See the weather trend as well as the moving average line
December weather in Greenville County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 7° /0° | 0 mm | 2 | |
| Dec. 2 |  Partly cloudy | 7° /0° | 67.8 mm | 3 | |
| Dec. 3 |  Sunny | 6° /-1° | 0 mm | 3 | |
| Dec. 4 | Sunny | 9° /-2° | 0 mm | 3 | |
| Dec. 5 | Overcast | 7° /0° | 15.6 mm | 2 | |
| Dec. 6 | Sunny | 7° /0° | 0 mm | 3 | |
| Dec. 7 | Sunny | 6° /-1° | 0 mm | 3 | |
| Dec. 8 | Overcast | 9° /2° | 0 mm | 3 | |
| Dec. 9 |  Moderate rain | 7° /3° | 23.3 mm | 3 | |
| Dec. 10 |  Moderate or heavy rain with thunder | 13° /4° | 16.5 mm | 3 | |
| Dec. 11 | Overcast | 10° /1° | 0 mm | 3 | |
| Dec. 12 | Sunny | 11° /0° | 0 mm | 4 | |
| Dec. 13 | Overcast | 11° /2° | 0 mm | 3 | |
| Dec. 14 | Overcast | 9° /-1° | 0 mm | 3 | |
| Dec. 15 | Overcast | 4° /-2° | 0 mm | 2 | |
| Dec. 16 |  Fog | 8° /4° | 6.8 mm | 2 | |
| Dec. 17 | Overcast | 12° /2° | 0 mm | 0.4 | |
| Dec. 18 |  Heavy rain | 10° /7° | 30.7 mm | 0.2 | |
| Dec. 19 | Heavy rain | 13° /4° | 56.4 mm | 0.5 | |
| Dec. 20 | Sunny | 12° /1° | 0 mm | 0.6 | |
| Dec. 21 | Partly cloudy | 16° /5° | 0 mm | 0 | |
| Dec. 22 | Partly cloudy | 11° /3° | 0 mm | 3 | |
| Dec. 23 | Partly cloudy | 5° /0° | 0.1 mm | 2 | |
| Dec. 24 | Sunny | 18° /4° | 0 mm | 4 | |
| Dec. 25 | Sunny | 21° /11° | 0 mm | 5 | |
| Dec. 26 | Sunny | 22° /12° | 0 mm | 5 | |
| Dec. 27 | Sunny | 22° /13° | 0 mm | 5 | |
| Dec. 28 |  Patchy rain possible | 16° /8° | 0.2 mm | 3 | |
| Dec. 29 | Sunny | 16° /5° | 0 mm | 3 | |
| Dec. 30 | Fog | 11° /7° | 0 mm | 3 | |
| Dec. 31 |  Cloudy | 11° /3° | 0 mm | 3 | |
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Important Notice
Our weather forecast for Greenville County 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 Greenville County forecast closer to your planned date for the most up-to-date weather information.
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Greenville County in December - FAQ
What are the expected maximum and minimum temperatures in Greenville County during December?
Prepare for cooler days with highs just around 9° and colder nights, dipping below 3°.
How much rainfall should be expected in Greenville County during December?
Significant rainfall exceeding 170 mm is expected in Greenville County during December, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Greenville County in December 2025?
Greenville County typically sees 0 cm of snowfall during December.
What are the typical wind conditions in Greenville County during December?
The average wind speed in Greenville County during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Greenville County
Explore the daily rainfall trends and prepare for Greenville Countys December weather 💧
Typically, Greenville County has 6 rainy days in December with a total of 170 mm of rainfall.
UV exposure in Greenville County during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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Where is Greenville County?Get accurate weather forecasts for Greenville County, located at latitude 34.853 and longitude -82.394. Stay updated with localized weather information tailored for Greenville County.
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