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United States weather

Weather in Summit County, Utah for December 2026

Your guide to Summit County weather in December - trends and predictions

    Snow Forecast ❄️

  • Summit County typically experiences moderate snowfall in December, with an average of 9 snowy days.

    • More

  • Is December a good time to visit Summit County? check out the best time to travel to Summit County page.

  • ✨ Is December a good time to visit Summit County? – Ask the AI Weatherman

Average dry days
21
Dry days
Average rainy days
1
Rainy days
Average snowy days
9
Snow days
Average temperatures
2°/-5°
Temperatures
Average wind speed
9 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Summit County Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
3°
2
Light snow
2°
3
Partly cloudy
3°
4
Sunny
2°
5
Light snow
3°
6
Heavy snow
2°
7
Sunny
1°
8
Overcast
2°
9
Overcast
-2°
10
Overcast
1°
11
Partly cloudy
2°
12
Overcast
3°
13
Overcast
2°
14
Light snow
4°
15
Moderate snow
3°
16
Partly cloudy
4°
17
Heavy snow
1°
18
Partly cloudy
2°
19
Light snow
5°
20
Heavy snow
4°
21
Heavy snow
5°
22
Overcast
3°
23
Freezing fog
4°
24
Light rain
4°
25
Light snow
3°
26
Moderate or heavy snow showers
-1°
27
Moderate or heavy snow with thunder
0°
28
Light snow
-4°
29
Moderate snow
1°
30
Moderate snow
3°
31
Overcast
1°

Temperatures trend during December in Summit County

See the weather trend as well as the moving average line

December weather in Summit County day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Sunny
Sunny
 3° /-9° 0 mm 0 cm
Dec. 2 Light snow
Light snow
 2° /-7° 5.7 mm 4.1 cm
Dec. 3 Partly cloudy
Partly cloudy
 3° /-5° 0 mm 0 cm
Dec. 4 Sunny
Sunny
 2° /-8° 0 mm 0 cm
Dec. 5 Light snow
Light snow
 3° /-4° 2.8 mm 2.1 cm
Dec. 6 Heavy snow
Heavy snow
 2° /-4° 38 mm 27.4 cm
Dec. 7 Sunny
Sunny
 1° /-7° 0 mm 0 cm
Dec. 8 Overcast
Overcast
 2° /-3° 0 mm 0 cm
Dec. 9 Overcast
Overcast
 -2° /-7° 0 mm 0 cm
Dec. 10 Overcast
Overcast
 1° /-6° 0 mm 0 cm
Dec. 11 Partly cloudy
Partly cloudy
 2° /-7° 0 mm 0 cm
Dec. 12 Overcast
Overcast
 3° /-4° 0 mm 0 cm
Dec. 13 Overcast
Overcast
 2° /-5° 0 mm 0 cm
Dec. 14 Light snow
Light snow
 4° /-5° 12.5 mm 0.6 cm
Dec. 15 Moderate snow
Moderate snow
 3° /-5° 12.6 mm 9.1 cm
Dec. 16 Partly cloudy
Partly cloudy
 4° /-6° 0 mm 0 cm
Dec. 17 Heavy snow
Heavy snow
 1° /-5° 28 mm 14.6 cm
Dec. 18 Partly cloudy
Partly cloudy
 2° /-6° 0 mm 0 cm
Dec. 19 Light snow
Light snow
 5° /-4° 2 mm 1.4 cm
Dec. 20 Heavy snow
Heavy snow
 4° /-3° 19.5 mm 14.1 cm
Dec. 21 Heavy snow
Heavy snow
 5° /-1° 27.6 mm 18.4 cm
Dec. 22 Overcast
Overcast
 3° /-1° 0 mm 0 cm
Dec. 23 Freezing fog
Freezing fog
 4° /0° 0 mm 0 cm
Dec. 24 Light rain
Light rain
 4° /-2° 3 mm 0 cm
Dec. 25 Light snow
Light snow
 3° /1° 13.8 mm 3.5 cm
Dec. 26 Moderate or heavy snow showers
Moderate or heavy snow showers
 -1° /-3° 12.8 mm 7.9 cm
Dec. 27 Moderate or heavy snow with thunder
Moderate or heavy snow with thunder
 0° /-6° 24.4 mm 17.6 cm
Dec. 28 Light snow
Light snow
 -4° /-12° 5.2 mm 3.7 cm
Dec. 29 Moderate snow
Moderate snow
 1° /-5° 11.3 mm 8.2 cm
Dec. 30 Moderate snow
Moderate snow
 3° /-9° 12.8 mm 6.9 cm
Dec. 31 Overcast
Overcast
 1° /-8° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Summit 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 Summit County forecast closer to your planned date for the most up-to-date weather information.
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Summit County in December - FAQ

What are the expected maximum and minimum temperatures in Summit 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 Summit County during December?
Significant rainfall exceeding 232.1 mm is expected in Summit County during December, occurring over more than 1 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Summit County in December 2026?
Summit County experiences an average snowfall of 139.7 cm during December, occurring over 9 days.

What are the typical wind conditions in Summit County during December?
The average wind speed in Summit County during December is 9 km/h, suggesting breezy to windy conditions, depending on your activities.

Summit County snow forecast December 2026

Track daily snowfall levels and discover Summit County’s snowy potential this December ❄️
On average, Summit County sees 9 snowy days during December, with approximately 139.7 cm of total snowfall.

December rainfall patterns in Summit County

Explore the daily rainfall trends and prepare for Summit Countys December weather 💧
Typically, Summit County has 1 rainy days in December with a total of 232.1 mm of rainfall.
Top locations in Summit County
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AkronBreckenridgePark City
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