Washtenaw County (Ann Arbor)
December
Weather in Washtenaw County, Michigan for December 2026
Your guide to Washtenaw County weather in December - trends and predictions
With an average of 3 snowy days, Washtenaw County usually enjoys a light touch of snow in December.
In general, the average temperature in Washtenaw County at the beginning of December is 0.1 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 3.1 °F by the end of December.
The climate of Washtenaw County in December is notably wet, with an average of 13 rainy days, and a total of 172.4 mm of precipitation.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
More
15
Dry days
13
Rainy days
3
Snow days
2°/-3°
Temperatures
23 km/h
Avg max wind
85 %
Avg humidity
Washtenaw County Weather December
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Temperatures trend during December in Washtenaw County
See the weather trend as well as the moving average line
December weather in Washtenaw County day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Light freezing rain | 0° /-6° | 0.1 mm | 0 cm | |
| Dec. 2 |  Partly cloudy | 1° /-4° | 4.2 mm | 3.1 cm | |
| Dec. 3 |  Overcast | 0° /-4° | 0 mm | 0 cm | |
| Dec. 4 | Overcast | -1° /-6° | 0.8 mm | 0.3 cm | |
| Dec. 5 | Overcast | 0° /-8° | 0.4 mm | 0 cm | |
| Dec. 6 | Overcast | -1° /-5° | 0 mm | 0 cm | |
| Dec. 7 |  Cloudy | 2° /-3° | 0 mm | 0 cm | |
| Dec. 8 | Overcast | 1° /-4° | 0 mm | 0 cm | |
| Dec. 9 |  Moderate or heavy rain shower | 3° /-3° | 7.5 mm | 0 cm | |
| Dec. 10 | Overcast | 3° /-1° | 6.7 mm | 2 cm | |
| Dec. 11 | Light freezing rain | 0° /-5° | 0.3 mm | 0 cm | |
| Dec. 12 | Light freezing rain | -2° /-7° | 0.3 mm | 0 cm | |
| Dec. 13 |  Sunny | -3° /-9° | 0 mm | 0 cm | |
| Dec. 14 | Partly cloudy | -2° /-10° | 0 mm | 0 cm | |
| Dec. 15 |  Moderate or heavy snow showers | 0° /-5° | 12.9 mm | 5.3 cm | |
| Dec. 16 | Moderate or heavy rain shower | 4° /-3° | 5.6 mm | 0 cm | |
| Dec. 17 | Overcast | 2° /-1° | 0 mm | 0 cm | |
| Dec. 18 | Light freezing rain | 2° /-1° | 9.5 mm | 0 cm | |
| Dec. 19 | Light freezing rain | 1° /-4° | 1.6 mm | 1 cm | |
| Dec. 20 | Light freezing rain | 1° /-5° | 1.8 mm | 0 cm | |
| Dec. 21 | Light freezing rain | -1° /-7° | 0.1 mm | 0 cm | |
| Dec. 22 | Partly cloudy | -1° /-9° | 0 mm | 0 cm | |
| Dec. 23 | Light freezing rain | 1° /-2° | 2.9 mm | 0.5 cm | |
| Dec. 24 | Light freezing rain | 1° /-1° | 0.1 mm | 0 cm | |
| Dec. 25 | Overcast | 1° /-1° | 0 mm | 0 cm | |
| Dec. 26 | Overcast | 1° /-1° | 3.8 mm | 1.2 cm | |
| Dec. 27 | Moderate rain at times | 2° /0° | 1.1 mm | 0 cm | |
| Dec. 28 | Overcast | 8° /2° | 9.5 mm | 0.9 cm | |
| Dec. 29 | Moderate or heavy rain shower | 8° /-1° | 58.8 mm | 0.5 cm | |
| Dec. 30 | Light freezing rain | 2° /-3° | 4.6 mm | 0 cm | |
| Dec. 31 | Moderate or heavy rain shower | 0° /-3° | 12.3 mm | 2.2 cm | |
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Important Notice
Our weather forecast for Washtenaw 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 Washtenaw County forecast closer to your planned date for the most up-to-date weather information.
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Washtenaw County in December - FAQ
What are the expected maximum and minimum temperatures in Washtenaw County during December?
Brace for cold days with temperatures not exceeding 2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Washtenaw County during December?
Significant rainfall exceeding 172.4 mm is expected in Washtenaw County during December, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Washtenaw County in December 2026?
Washtenaw County experiences an average snowfall of 15.5 cm during December, occurring over 3 days.
What are the typical wind conditions in Washtenaw County during December?
The average wind speed in Washtenaw County during December is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
Washtenaw County snow forecast December 2026
Track daily snowfall levels and discover Washtenaw County’s snowy potential this December ❄️
On average, Washtenaw County sees 3 snowy days during December, with approximately 15.5 cm of total snowfall.
December rainfall patterns in Washtenaw County
Explore the daily rainfall trends and prepare for Washtenaw Countys December weather 💧
Typically, Washtenaw County has 13 rainy days in December with a total of 172.4 mm of rainfall.
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Where is Washtenaw County?Get accurate weather forecasts for Washtenaw County, located at latitude 42.278 and longitude -83.741. Stay updated with localized weather information tailored for Washtenaw County.
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