McDonough (GA)
December
Weather in McDonough, Georgia for December 2026
Your guide to McDonough weather in December - trends and predictions
In general, the average temperature in McDonough at the beginning of December is 8.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 14.1 °F by the end of December.
McDonough experiences moderate rainfall in December, with an average of 10 rainy days and a total precipitation of 126.9 mm.
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Temperatures
Rain 🌧️
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21
Dry days
10
Rainy days
0
Snow days
12°/4°
Temperatures
16 km/h
Avg max wind
72 %
Avg humidity
McDonough Weather December
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Temperatures trend during December in McDonough
See the weather trend as well as the moving average line
December weather in McDonough day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 8° /1° | 0 mm | 3 | |
| Dec. 2 |  Sunny | 9° /1° | 63.5 mm | 3 | |
| Dec. 3 | Sunny | 5° /-1° | 0 mm | 2 | |
| Dec. 4 |  Partly cloudy | 9° /-1° | 0 mm | 3 | |
| Dec. 5 |  Heavy rain at times | 9° /2° | 44.1 mm | 3 | |
| Dec. 6 | Sunny | 9° /2° | 0 mm | 3 | |
| Dec. 7 | Sunny | 8° /1° | 0 mm | 3 | |
| Dec. 8 | Overcast | 11° /5° | 7.2 mm | 3 | |
| Dec. 9 |  Moderate or heavy rain shower | 11° /6° | 6.8 mm | 3 | |
| Dec. 10 | Moderate or heavy rain shower | 16° /7° | 19.9 mm | 4 | |
| Dec. 11 | Moderate or heavy rain shower | 12° /3° | 12.9 mm | 3 | |
| Dec. 12 |  Cloudy | 12° /2° | 0 mm | 4 | |
| Dec. 13 | Overcast | 11° /4° | 0 mm | 3 | |
| Dec. 14 | Overcast | 13° /3° | 9.4 mm | 3 | |
| Dec. 15 | Overcast | 7° /0° | 0 mm | 3 | |
| Dec. 16 | Overcast | 14° /2° | 0 mm | 4 | |
| Dec. 17 | Overcast | 14° /5° | 0 mm | 3 | |
| Dec. 18 | Moderate rain at times | 15° /9° | 26.7 mm | 4 | |
| Dec. 19 | Overcast | 15° /7° | 3 mm | 4 | |
| Dec. 20 | Overcast | 11° /2° | 0 mm | 2 | |
| Dec. 21 | Partly cloudy | 11° /3° | 0 mm | 2 | |
| Dec. 22 | Overcast | 10° /2° | 0 mm | 2 | |
| Dec. 23 | Sunny | 12° /4° | 0 mm | 2 | |
| Dec. 24 | Overcast | 13° /6° | 0 mm | 1 | |
| Dec. 25 | Sunny | 15° /8° | 0 mm | 2 | |
| Dec. 26 | Moderate rain at times | 13° /8° | 0.2 mm | 2 | |
| Dec. 27 | Overcast | 14° /10° | 0.6 mm | 2 | |
| Dec. 28 |  Patchy rain possible | 15° /10° | 1.8 mm | 2 | |
| Dec. 29 | Moderate or heavy rain shower | 17° /6° | 19.5 mm | 3 | |
| Dec. 30 | Overcast | 11° /3° | 0 mm | 2 | |
| Dec. 31 |  Fog | 14° /3° | 0 mm | 3 | |
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Important Notice
Our weather forecast for McDonough 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 McDonough forecast closer to your planned date for the most up-to-date weather information.
Change Month
McDonough in December - FAQ
What are the expected maximum and minimum temperatures in McDonough during December?
Prepare for cooler days with highs just around 12° and colder nights, dipping below 4°.
How much rainfall should be expected in McDonough during December?
Significant rainfall exceeding 126.9 mm is expected in McDonough during December, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in McDonough during December?
The average wind speed in McDonough during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in McDonough
Explore the daily rainfall trends and prepare for McDonoughs December weather 💧
Typically, McDonough has 10 rainy days in December with a total of 126.9 mm of rainfall.
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