easeweather.com
Johnson County (Iowa City)
Akron (OH)Albuquerque (NM)Alexandria (VA)Anaheim (CA)Anchorage (AK)Arlington (VA)Asheville (NC)Atlanta (GA)Atlantic City (NJ)Austin (TX)Baltimore (MD)Baton Rouge (LA)Birmingham (AL)Boston (MA)Brooklyn (NY)Buffalo (NY)Cape Coral (FL)Charlotte (NC)Chattanooga (TN)Chicago (IL)Cincinnati (OH)Cleveland (OH)Colorado Springs (CO)Columbus (OH)Corpus Christi (TX)Dallas (TX)Dayton (OH)Denver (CO)Des Moines (IA)Detroit (MI)El Paso (TX)Fairbanks (AK)Fort Lauderdale (FL)Fort Wayne (IN)Fort Worth (TX)Gatlinburg (TN)Grand Rapids (MI)Harrisburg (PA)Honolulu (HI)Houston (TX)Huntsville (AL)Indianapolis (IN)Iowa City (IA)Jackson (MS)Jacksonville (FL)Juneau (AK)Kansas City (MO)Ketchikan (AK)Key West (FL)Knoxville (TN)Las Vegas (NV)Lexington (KY)Lincoln (NE)Little Rock (AR)Los Angeles (CA)Louisville (KY)Madison (WI)Manhattan (NY)Memphis (TN)Miami (FL)Milwaukee (WI)Minneapolis (MN)Mobile (AL)Montgomery (AL)Nashville (TN)New Orleans (LA)New York City (NY)Newark (NJ)Oklahoma City (OK)Omaha (NE)Orlando (FL)Philadelphia (PA)Phoenix (AZ)Pittsburgh (PA)Portland (OR)Richmond (VA)Riverside (CA)Sacramento (CA)Salt Lake City (UT)San Antonio (TX)San Diego (CA)San Francisco (CA)San Jose (CA)Savannah (GA)Seattle (WA)Sitka (AK)Skagway (AK)Springfield (MO)St. Louis (MO)St. Petersburg (FL)Tallahassee (FL)Tampa (FL)Toledo (OH)Traverse City (MI)Tulsa (OK)Tyler (TX)Vancouver (WA)Virginia Beach (VA)WashingtonWichita (KS)Winston-Salem (NC) More Locations
United States weather

Weather in Johnson County, Iowa for December 2025

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

    Snow Forecast ❄️

  • With an average of 4 snowy days, Johnson County usually enjoys a light touch of snow in December.
    According to Johnson County snow forecast for December 2025, 3 snowy days are expected at the beginning of December. The first snowfall for December is expected in Monday, December 1.

    • Temperatures

  • The forecast for the first days of December 2025 in Johnson County predicts temperatures to be around -2 °F, close to the historical average.

  • In general, the average temperature in Johnson County at the beginning of December is -4.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 4.6 °F by the end of December.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
21
Dry days
Average rainy days
6
Rainy days
Average snowy days
4
Snow days
Average temperatures
2°/-4°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Johnson County Weather December

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

Temperatures trend during December in Johnson County

See the weather trend as well as the moving average line

December weather in Johnson County day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Light freezing rain
Light freezing rain
 -5° /-12° 0.4 mm 0.3 cm
Dec. 2 Freezing fog
Freezing fog
 -5° /-19° 0.1 mm 0 cm
Dec. 3 Patchy moderate snow
Patchy moderate snow
 0° /-8° 0.7 mm 0.3 cm
Dec. 4 Sunny
Sunny
 -11° /-22° 0 mm 0 cm
Dec. 5 Partly cloudy
Partly cloudy
 -5° /-23° 0 mm 0 cm
Dec. 6 Cloudy
Cloudy
 0° /-15° 0 mm 0 cm
Dec. 7 Light freezing rain
Light freezing rain
 -4° /-16° 0 mm 0 cm
Dec. 8 Freezing fog
Freezing fog
 -9° /-22° 0.6 mm 0.4 cm
Dec. 9 Sunny
Sunny
 -1° /-13° 0 mm 0 cm
Dec. 10 Sunny
Sunny
 2° /-2° 0 mm 0 cm
Dec. 11 Patchy rain possible
Patchy rain possible
 10° /2° 0.2 mm 0 cm
Dec. 12 Patchy rain possible
Patchy rain possible
 3° /-1° 0.5 mm 0 cm
Dec. 13 Overcast
Overcast
 -3° /-11° 0 mm 0 cm
Dec. 14 Moderate or heavy snow showers
Moderate or heavy snow showers
 0° /-5° 29.8 mm 20.5 cm
Dec. 15 Overcast
Overcast
 1° /0° 0.1 mm 0 cm
Dec. 16 Overcast
Overcast
 4° /0° 0 mm 0 cm
Dec. 17 Overcast
Overcast
 2° /-3° 0.5 mm 0 cm
Dec. 18 Overcast
Overcast
 0° /-3° 1.3 mm 0.7 cm
Dec. 19 Patchy moderate snow
Patchy moderate snow
 2° /-3° 0.7 mm 0.4 cm
Dec. 20 Overcast
Overcast
 -2° /-5° 0 mm 0 cm
Dec. 21 Partly cloudy
Partly cloudy
 -2° /-8° 0 mm 0 cm
Dec. 22 Partly cloudy
Partly cloudy
 2° /-4° 0 mm 0 cm
Dec. 23 Overcast
Overcast
 3° /0° 0 mm 0 cm
Dec. 24 Overcast
Overcast
 1° /-1° 0 mm 0 cm
Dec. 25 Overcast
Overcast
 2° /0° 0.1 mm 0 cm
Dec. 26 Patchy rain possible
Patchy rain possible
 6° /0° 1.3 mm 0 cm
Dec. 27 Moderate or heavy rain shower
Moderate or heavy rain shower
 6° /5° 17.7 mm 0 cm
Dec. 28 Overcast
Overcast
 9° /3° 0 mm 0 cm
Dec. 29 Patchy rain possible
Patchy rain possible
 5° /3° 0.1 mm 0 cm
Dec. 30 Patchy rain possible
Patchy rain possible
 4° /1° 0.1 mm 0 cm
Dec. 31 Heavy snow
Heavy snow
 0° /-1° 23.3 mm 10.8 cm
Next
Important Notice
Our weather forecast for Johnson 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 Johnson County forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Johnson County in December - FAQ

What are the expected maximum and minimum temperatures in Johnson 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 Johnson County during December?
Moderate rainfall is anticipated in Johnson County during December, with a total of 77 mm spread over approximately 6 days. Considering plans for rainy days is advisable.
Will it snow in Johnson County in December 2025?
Johnson County experiences an average snowfall of 32.4 cm during December, occurring over 4 days.
What are the typical wind conditions in Johnson County during December?
The average wind speed in Johnson County during December is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

Johnson County snow forecast December 2025

Track daily snowfall levels and discover Johnson County’s snowy potential this December ❄️
On average, Johnson County sees 4 snowy days during December, with approximately 32.4 cm of total snowfall.

December rainfall patterns in Johnson County

Explore the daily rainfall trends and prepare for Johnson Countys December weather 💧
Typically, Johnson County has 6 rainy days in December with a total of 77 mm of rainfall.
Top locations in Johnson County
Select a location for an accurate weather forecast
Iowa CityOlatheOverland Park
More Locations

Quick links

More Johnson County weather pages
You are here
Location coordinates Where is Johnson County?

Get accurate weather forecasts for Johnson County, located at latitude 41.661 and longitude -91.53. Stay updated with localized weather information tailored for Johnson County.

Found a mistake?
We appreciate your attention to details. Tell us here.