Jefferson County (Fairfield)
December
Weather in Jefferson County, Iowa for December 2026
Your guide to Jefferson County weather in December - trends and predictions
With an average of 3 snowy days, Jefferson County usually enjoys a light touch of snow in December.
With an average of 2 rainy days, Jefferson County experiences minimal rainfall in December.
Is December a good time to visit Jefferson County? check out the best time to travel to Jefferson County page.
✨ Is December a good time to visit Jefferson County? – Ask the AI Weatherman
Snow Forecast ❄️
Rain 🌧️
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26
Dry days
2
Rainy days
3
Snow days
1°/-4°
Temperatures
23 km/h
Avg max wind
81 %
Avg humidity
Jefferson County Weather December
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Temperatures trend during December in Jefferson County
See the weather trend as well as the moving average line
December weather in Jefferson County day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Moderate snow | -2° /-10° | 9.4 mm | 6.8 cm | |
| Dec. 2 |  Light freezing rain | -2° /-6° | 0.3 mm | 0 cm | |
| Dec. 3 |  Light snow | 0° /-8° | 3.3 mm | 2.4 cm | |
| Dec. 4 |  Overcast | -1° /-10° | 0 mm | 0 cm | |
| Dec. 5 |  Cloudy | -4° /-10° | 0 mm | 0 cm | |
| Dec. 6 | Overcast | 1° /-5° | 0 mm | 0 cm | |
| Dec. 7 | Moderate snow | 4° /-7° | 9.2 mm | 6.7 cm | |
| Dec. 8 | Overcast | 5° /-4° | 0 mm | 0 cm | |
| Dec. 9 | Overcast | 6° /-1° | 0 mm | 0 cm | |
| Dec. 10 | Overcast | 2° /-3° | 0 mm | 0 cm | |
| Dec. 11 | Overcast | -2° /-7° | 0.1 mm | 0 cm | |
| Dec. 12 | Light freezing rain | -5° /-7° | 1 mm | 0.4 cm | |
| Dec. 13 | Moderate snow | -5° /-12° | 13.2 mm | 9.6 cm | |
| Dec. 14 |  Moderate or heavy snow showers | -5° /-10° | 23.1 mm | 14.1 cm | |
| Dec. 15 | Overcast | 2° /-7° | 0 mm | 0 cm | |
| Dec. 16 | Overcast | 4° /-4° | 0 mm | 0 cm | |
| Dec. 17 | Overcast | 2° /-2° | 0.1 mm | 0 cm | |
| Dec. 18 | Overcast | 3° /-4° | 0.2 mm | 0 cm | |
| Dec. 19 | Overcast | 2° /-5° | 0 mm | 0 cm | |
| Dec. 20 |  Partly cloudy | -1° /-5° | 0 mm | 0 cm | |
| Dec. 21 | Cloudy | 0° /-7° | 0 mm | 0 cm | |
| Dec. 22 |  Sunny | 2° /-3° | 0 mm | 0 cm | |
| Dec. 23 | Overcast | 3° /-1° | 0 mm | 0 cm | |
| Dec. 24 | Overcast | 1° /-1° | 0 mm | 0 cm | |
| Dec. 25 |  Patchy rain possible | 2° /0° | 0.1 mm | 0 cm | |
| Dec. 26 | Patchy rain possible | 6° /1° | 0.4 mm | 0 cm | |
| Dec. 27 |  Moderate or heavy rain shower | 6° /5° | 9.1 mm | 0 cm | |
| Dec. 28 |  Moderate rain | 9° /2° | 12.2 mm | 0 cm | |
| Dec. 29 | Overcast | 1° /-2° | 0 mm | 0 cm | |
| Dec. 30 | Patchy rain possible | 3° /-4° | 0.6 mm | 0 cm | |
| Dec. 31 | Light snow | 2° /-1° | 5.2 mm | 3 cm | |
| Next | |||||
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.
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Jefferson County in December - FAQ
What are the expected maximum and minimum temperatures in Jefferson County during December?
Brace for cold days with temperatures not exceeding 1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Jefferson County during December?
Moderate rainfall is anticipated in Jefferson County during December, with a total of 87.7 mm spread over approximately 2 days. Considering plans for rainy days is advisable.
Will it snow in Jefferson County in December 2026?
Jefferson County experiences an average snowfall of 42.9 cm during December, occurring over 3 days.
What are the typical wind conditions in Jefferson County during December?
The average wind speed in Jefferson County during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
Jefferson County snow forecast December 2026
Track daily snowfall levels and discover Jefferson County’s snowy potential this December ❄️
On average, Jefferson County sees 3 snowy days during December, with approximately 42.9 cm of total snowfall.
December rainfall patterns in Jefferson County
Explore the daily rainfall trends and prepare for Jefferson Countys December weather 💧
Typically, Jefferson County has 2 rainy days in December with a total of 87.7 mm of rainfall.
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