Jefferson County (Louisville)
December
Weather in Jefferson County for December 2025
Your guide to Jefferson County weather in December - trends and predictions
Jefferson County typically experiences moderate snowfall in December, with an average of 6 snowy days.
In general, the average temperature in Jefferson County at the beginning of December is 6.9 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 8.6 °F by the end of December.
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Snow Forecast ❄️
Temperatures
More
20
Dry days
5
Rainy days
6
Snow days
8°/0°
Temperatures
16 km/h
Avg max wind
68 %
Avg humidity
Jefferson County in December average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  8° | 2  7° | 3 7° | 4  6° | 5  6° | 6  4° | |
| 7  10° | 8 13° | 9  13° | 10  10° | 11 4° | 12  5° | 13 6° |
| 14 8° | 15 10° | 16 12° | 17 11° | 18  9° | 19 2° | 20 5° |
| 21 6° | 22  7° | 23 3° | 24 5° | 25  5° | 26  8° | 27 7° |
| 28 9° | 29 10° | 30 11° | 31 10° |
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Temperatures trend during December in Jefferson County
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 | Heavy rain | 8° /1° | 6.3 mm | 1 cm | |
| Dec. 2 | Mist | 7° /0° | 0 mm | 0 cm | |
| Dec. 3 | Fog | 7° /-1° | 0 mm | 0 cm | |
| Dec. 4 | Light rain | 6° /-2° | 0.6 mm | 0 cm | |
| Dec. 5 | Patchy rain possible | 6° /-2° | 0.1 mm | 0 cm | |
| Dec. 6 | Overcast | 4° /-3° | 0.1 mm | 0 cm | |
| Dec. 7 | Partly cloudy | 10° /-1° | 0 mm | 0 cm | |
| Dec. 8 | Overcast | 13° /2° | 0 mm | 0 cm | |
| Dec. 9 | Moderate or heavy rain with thunder | 13° /7° | 46.1 mm | 0 cm | |
| Dec. 10 | Heavy snow | 10° /1° | 19.9 mm | 1.7 cm | |
| Dec. 11 | Partly cloudy | 4° /-1° | 0 mm | 0 cm | |
| Dec. 12 | Sunny | 5° /-2° | 0 mm | 0 cm | |
| Dec. 13 | Overcast | 6° /-1° | 0 mm | 0 cm | |
| Dec. 14 | Sunny | 8° /-1° | 8.7 mm | 0 cm | |
| Dec. 15 | Overcast | 10° /4° | 16.5 mm | 0 cm | |
| Dec. 16 | Overcast | 12° /6° | 55.8 mm | 0 cm | |
| Dec. 17 | Light drizzle | 11° /5° | 5.9 mm | 0 cm | |
| Dec. 18 | Light snow showers | 9° /0° | 30.1 mm | 0 cm | |
| Dec. 19 | Partly cloudy | 2° /-2° | 0 mm | 0 cm | |
| Dec. 20 | Overcast | 5° /-1° | 0 mm | 0 cm | |
| Dec. 21 | Overcast | 6° /0° | 0 mm | 0 cm | |
| Dec. 22 | Moderate rain at times | 7° /-3° | 3.4 mm | 0.8 cm | |
| Dec. 23 | Overcast | 3° /-5° | 0.8 mm | 0.4 cm | |
| Dec. 24 | Overcast | 5° /-2° | 0 mm | 0 cm | |
| Dec. 25 | Cloudy | 5° /0° | 7.6 mm | 0 cm | |
| Dec. 26 | Light freezing rain | 8° /0° | 0.3 mm | 0 cm | |
| Dec. 27 | Overcast | 7° /0° | 14.4 mm | 0 cm | |
| Dec. 28 | Partly cloudy | 9° /2° | 0.1 mm | 0 cm | |
| Dec. 29 | Overcast | 10° /4° | 48 mm | 0.3 cm | |
| Dec. 30 | Patchy rain possible | 11° /6° | 1 mm | 0.1 cm | |
| Dec. 31 | Moderate rain at times | 10° /3° | 3.8 mm | 0 cm | |
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Important Notice
Our weather forecast for Jefferson 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 Jefferson County forecast closer to your planned date for the most up-to-date weather information.
Jefferson County in December - FAQ
What are the expected maximum and minimum temperatures in Jefferson County during December?
Prepare for cooler days with highs just around 8° and colder nights, dipping below 0°.
How much rainfall should be expected in Jefferson County during December?
Significant rainfall exceeding 113.8 mm is expected in Jefferson County during December, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Jefferson County in December 2025?
Jefferson County experiences an average snowfall of 5.24 cm during December, occurring over 6 days.
What are the typical wind conditions in Jefferson County during December?
The average wind speed in Jefferson County during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
Jefferson County snow forecast December 2025
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December rainfall patterns in Jefferson County
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Where is Jefferson County?Get accurate weather forecasts for Jefferson County, located at latitude 38.254 and longitude -85.759. Stay updated with localized weather information tailored for Jefferson County.
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