Forsyth County (Cumming)
December
Weather in Forsyth County, Georgia for December 2026
Your guide to Forsyth County weather in December - trends and predictions
In general, the average temperature in Forsyth County at the beginning of December is 6.9 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 12 °C by the end of December.
Forsyth County experiences moderate rainfall in December, with an average of 6 rainy days and a total precipitation of 210.4 mm.
Is December a good time to visit Forsyth County? check out the best time to travel to Forsyth County page.
✨ Is December a good time to visit Forsyth County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
25
Dry days
6
Rainy days
0
Snow days
10°/3°
Temperatures
16 km/h
Avg max wind
72 %
Avg humidity
Forsyth County Weather December
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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
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 8° /2° | 0 mm | 3 | |
| Dec. 2 |  Heavy rain | 7° /1° | 86.7 mm | 3 | |
| Dec. 3 |  Sunny | 5° /-1° | 0 mm | 2 | |
| Dec. 4 |  Partly cloudy | 9° /-1° | 0 mm | 2.9 | |
| Dec. 5 |  Moderate rain | 7° /1° | 21 mm | 2 | |
| Dec. 6 | Sunny | 8° /2° | 0 mm | 2.9 | |
| Dec. 7 | Partly cloudy | 7° /-1° | 0 mm | 2.9 | |
| Dec. 8 |  Light rain | 9° /4° | 6.8 mm | 2 | |
| Dec. 9 | Moderate rain | 10° /5° | 24.6 mm | 2.8 | |
| Dec. 10 | Moderate rain | 15° /6° | 13.5 mm | 2.8 | |
| Dec. 11 |  Cloudy | 9° /1° | 0 mm | 2 | |
| Dec. 12 | Sunny | 12° /2° | 0 mm | 2.8 | |
| Dec. 13 | Overcast | 10° /3° | 0 mm | 2.8 | |
| Dec. 14 | Light rain | 11° /2° | 5.1 mm | 2.8 | |
| Dec. 15 | Overcast | 6° /-1° | 0 mm | 2.8 | |
| Dec. 16 |  Mist | 9° /2° | 0 mm | 2.8 | |
| Dec. 17 | Fog | 10° /6° | 0 mm | 2.8 | |
| Dec. 18 |  Moderate or heavy rain with thunder | 12° /10° | 25.5 mm | 2.8 | |
| Dec. 19 | Light rain | 14° /7° | 4.1 mm | 2.8 | |
| Dec. 20 | Overcast | 10° /1° | 0 mm | 2 | |
| Dec. 21 | Sunny | 12° /2° | 0 mm | 2 | |
| Dec. 22 | Overcast | 9° /3° | 0 mm | 2 | |
| Dec. 23 | Sunny | 10° /3° | 0 mm | 2 | |
| Dec. 24 | Overcast | 14° /7° | 0 mm | 2 | |
| Dec. 25 | Partly cloudy | 13° /9° | 0 mm | 2 | |
| Dec. 26 | Sunny | 13° /8° | 0 mm | 2 | |
| Dec. 27 | Overcast | 12° /10° | 0 mm | 1 | |
| Dec. 28 | Fog | 11° /8° | 0 mm | 1 | |
| Dec. 29 | Moderate rain | 16° /5° | 23.2 mm | 2.8 | |
| Dec. 30 | Fog | 9° /4° | 0 mm | 2 | |
| Dec. 31 | Partly cloudy | 11° /2° | 0 mm | 2.8 | |
| 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.
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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 210.4 mm is expected in Forsyth County during December, occurring over more than 6 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 6 rainy days in December with a total of 210.4 mm of rainfall.
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