Forsyth County (Cumming)
December
Weather in Forsyth County, Georgia for December 2025
Your guide to Forsyth County weather in December - trends and predictions
Until now, December 2025 in Forsyth County is slightly cooler than the historical average by -1.5 °F.
The forecast for the coming days of December 2025 predicts a temperature of 17.7 °F , which is warmer than usual.
In general, the average temperature in Forsyth County at the beginning of December is 7.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 14.1 °F by the end of December.
With an average of 4 rainy days, Forsyth County experiences minimal rainfall in December.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
27
Dry days
4
Rainy days
0
Snow days
10°/3°
Temperatures
16 km/h
Avg max wind
69 %
Avg humidity
Forsyth County Weather December
Move between months or click on a day
Temperatures trend during December in Forsyth County
See the weather trend as well as the moving average line
December weather in Forsyth County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 8° /2° | 0 mm | 3 | |
| Dec. 2 |  Sunny | 7° /0° | 86.7 mm | 3 | |
| Dec. 3 | Sunny | 5° /-1° | 0 mm | 2 | |
| Dec. 4 |  Partly cloudy | 9° /-1° | 0 mm | 3 | |
| Dec. 5 | Overcast | 7° /1° | 21 mm | 2 | |
| Dec. 6 | Sunny | 8° /2° | 0 mm | 3 | |
| Dec. 7 | Partly cloudy | 7° /-1° | 0 mm | 3 | |
| Dec. 8 | Overcast | 9° /4° | 6.8 mm | 2 | |
| Dec. 9 |  Light rain shower | 10° /5° | 24.6 mm | 3 | |
| Dec. 10 | Light rain shower | 15° /5° | 13.5 mm | 4 | |
| Dec. 11 |  Cloudy | 9° /1° | 0 mm | 2 | |
| Dec. 12 | Sunny | 9° /1° | 0 mm | 3 | |
| Dec. 13 | Sunny | 19° /2° | 0 mm | 0.5 | |
| Dec. 14 | Patchy rain possible | 8° /-4° | 3.8 mm | 0.5 | |
| Dec. 15 | Sunny | 5° /-5° | 0 mm | 0.6 | |
| Dec. 16 | Sunny | 12° /0° | 0 mm | 0.6 | |
| Dec. 17 | Sunny | 15° /3° | 0 mm | 0 | |
| Dec. 18 | Sunny | 18° /7° | 0 mm | 4 | |
| Dec. 19 | Sunny | 18° /10° | 0 mm | 4 | |
| Dec. 20 | Patchy rain possible | 19° /12° | 1.1 mm | 4 | |
| Dec. 21 |  Moderate rain | 20° /16° | 9.1 mm | 4 | |
| Dec. 22 | Patchy rain possible | 22° /16° | 0.1 mm | 4 | |
| Dec. 23 | Patchy rain possible | 23° /17° | 0.2 mm | 4 | |
| Dec. 24 | Cloudy | 24° /17° | 0 mm | 5 | |
| Dec. 25 | Patchy rain possible | 24° /18° | 0.1 mm | 5 | |
| Dec. 26 | Overcast | 21° /16° | 0.1 mm | 4 | |
| Dec. 27 | Overcast | 5° /4° | 0 mm | 2 | |
| Dec. 28 |  Fog | 7° /4° | 0 mm | 2 | |
| Dec. 29 |  Moderate or heavy rain shower | 17° /9° | 40.9 mm | 4 | |
| Dec. 30 | Fog | 12° /10° | 0 mm | 3 | |
| Dec. 31 | Partly cloudy | 13° /4° | 0 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Forsyth 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 Forsyth County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Forsyth County in December - FAQ
What are the expected maximum and minimum temperatures in Forsyth County during December?
Prepare for cooler days with highs just around 10° and colder nights, dipping below 3°.
How much rainfall should be expected in Forsyth County during December?
Significant rainfall exceeding 125.2 mm is expected in Forsyth County during December, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Forsyth County during December?
The average wind speed in Forsyth County during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Forsyth County
Explore the daily rainfall trends and prepare for Forsyth Countys December weather 💧
Typically, Forsyth County has 4 rainy days in December with a total of 125.2 mm of rainfall.
UV exposure in Forsyth County during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
Top locations in Forsyth County
Select a location for an accurate weather forecast
More Locations Quick links
More Forsyth County weather pages
You are here
Where is Forsyth County?Get accurate weather forecasts for Forsyth County, located at latitude 34.207 and longitude -84.14. Stay updated with localized weather information tailored for Forsyth County.
Found a mistake?
We appreciate your attention to details. Tell us here.