Gwinnett County (Lawrenceville)
December
Weather in Gwinnett County, Georgia for December 2026
Your guide to Gwinnett County weather in December - trends and predictions
Gwinnett County experiences moderate rainfall in December, with an average of 6 rainy days and a total precipitation of 336.8 mm.
Is December a good time to visit Gwinnett County? check out the best time to travel to Gwinnett County page.
✨ Is December a good time to visit Gwinnett County? – Ask the AI Weatherman
Rain 🌧️
More
25
Dry days
6
Rainy days
0
Snow days
10°/4°
Temperatures
15 km/h
Avg max wind
76 %
Avg humidity
Gwinnett County Weather December
Move between months or click on a day
Temperatures trend during December in Gwinnett County
See the weather trend as well as the moving average line
December weather in Gwinnett County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 6° /2° | 0 mm | 1 | |
| Dec. 2 |  Heavy rain | 5° /1° | 198.3 mm | 0 | |
| Dec. 3 |  Mist | 4° /0° | 0 mm | 1 | |
| Dec. 4 | Fog | 8° /0° | 0 mm | 0 | |
| Dec. 5 | Heavy rain | 6° /2° | 44.6 mm | 1 | |
| Dec. 6 | Fog | 9° /6° | 0 mm | 0 | |
| Dec. 7 | Fog | 6° /2° | 0 mm | 0 | |
| Dec. 8 |  Moderate rain | 9° /5° | 16 mm | 0 | |
| Dec. 9 | Overcast | 5° /3° | 0 mm | 0 | |
| Dec. 10 | Fog | 12° /1° | 0 mm | 1 | |
| Dec. 11 | Overcast | 8° /0° | 0 mm | 1 | |
| Dec. 12 |  Sunny | 15° /3° | 0 mm | 1 | |
| Dec. 13 | Fog | 9° /4° | 0 mm | 1 | |
| Dec. 14 | Moderate rain | 12° /-2° | 17 mm | 1 | |
| Dec. 15 | Sunny | 3° /-5° | 0 mm | 1 | |
| Dec. 16 | Sunny | 9° /-1° | 0 mm | 1 | |
| Dec. 17 | Overcast | 6° /2° | 0 mm | 0 | |
| Dec. 18 | Heavy rain | 10° /7° | 49.4 mm | 0 | |
| Dec. 19 | Moderate rain | 14° /6° | 11.5 mm | 1 | |
| Dec. 20 | Sunny | 13° /1° | 0 mm | 1 | |
| Dec. 21 | Overcast | 16° /5° | 0 mm | 1 | |
| Dec. 22 | Sunny | 12° /4° | 0 mm | 1 | |
| Dec. 23 | Overcast | 12° /6° | 0 mm | 0 | |
| Dec. 24 | Mist | 17° /12° | 0 mm | 1 | |
| Dec. 25 | Fog | 15° /13° | 0 mm | 0 | |
| Dec. 26 | Fog | 14° /13° | 0 mm | 0 | |
| Dec. 27 | Mist | 18° /14° | 0 mm | 0 | |
| Dec. 28 | Fog | 15° /13° | 0 mm | 0 | |
| Dec. 29 | Overcast | 15° /1° | 0 mm | 1 | |
| Dec. 30 | Sunny | 5° /-3° | 0 mm | 1 | |
| Dec. 31 |  Cloudy | 10° /-2° | 0 mm | 1 | |
| Next | |||||
Important Notice
Our weather forecast for Gwinnett 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 Gwinnett County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Gwinnett County in December - FAQ
What are the expected maximum and minimum temperatures in Gwinnett County during December?
Prepare for cooler days with highs just around 10° and colder nights, dipping below 4°.
How much rainfall should be expected in Gwinnett County during December?
Significant rainfall exceeding 336.8 mm is expected in Gwinnett 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 Gwinnett County during December?
The average wind speed in Gwinnett County during December is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Gwinnett County
Explore the daily rainfall trends and prepare for Gwinnett Countys December weather 💧
Typically, Gwinnett County has 6 rainy days in December with a total of 336.8 mm of rainfall.
Top locations in Gwinnett County
Select a location for an accurate weather forecast
More Locations Quick links
More Gwinnett County weather pages
You are here
Found a mistake?
We appreciate your attention to details. Tell us here.