easeweather.com
Waterloo (IA)
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)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)Washington
Waterloo (IA)
Wichita (KS)Winston-Salem (NC) More Locations
United States weather

Weather in Waterloo, Iowa for December 2025

Your guide to Waterloo weather in December - trends and predictions

    Snow Forecast ❄️

  • With an average of 4 snowy days, Waterloo usually enjoys a light touch of snow in December.
    According to Waterloo snow forecast for December 2025, 5 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 Waterloo predicts temperatures to be around -3 °F, close to the historical average.

  • In general, the average temperature in Waterloo at the beginning of December is -5.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 2.4 °F by the end of December.

    • More

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

Average dry days
23
Dry days
Average rainy days
4
Rainy days
Average snowy days
4
Snow days
Average temperatures
0°/-5°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Waterloo 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
-6°
3
Light snow
-0°
4
Sunny
-14°
5
Sunny
-6°
6
Freezing fog
-0°
7
Cloudy
-6°
8
Moderate snow
-10°
9
Partly cloudy
-2°
10
Sunny
2°
11
Patchy rain possible
5°
12
Partly cloudy
-1°
13
Overcast
-5°
14
Moderate or heavy snow showers
0°
15
Overcast
1°
16
Overcast
3°
17
Light freezing rain
1°
18
Cloudy
0°
19
Light freezing rain
1°
20
Partly cloudy
-2°
21
Partly cloudy
-3°
22
Overcast
2°
23
Overcast
1°
24
Overcast
0°
25
Overcast
0°
26
Light freezing rain
3°
27
Moderate or heavy rain shower
4°
28
Overcast
5°
29
Overcast
3°
30
Patchy rain possible
2°
31
Heavy snow
0°

Temperatures trend during December in Waterloo

See the weather trend as well as the moving average line

December weather in Waterloo 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° 0.1 mm 0.1 cm
Dec. 2 Freezing fog
Freezing fog
 -6° /-19° 0.2 mm 0 cm
Dec. 3 Light snow
Light snow
 0° /-12° 0.8 mm 0.2 cm
Dec. 4 Sunny
Sunny
 -14° /-24° 0 mm 0 cm
Dec. 5 Sunny
Sunny
 -6° /-23° 0 mm 0 cm
Dec. 6 Freezing fog
Freezing fog
 0° /-15° 0.4 mm 0.2 cm
Dec. 7 Cloudy
Cloudy
 -6° /-19° 0 mm 0 cm
Dec. 8 Moderate snow
Moderate snow
 -10° /-23° 1.4 mm 1 cm
Dec. 9 Partly cloudy
Partly cloudy
 -2° /-13° 0 mm 0 cm
Dec. 10 Sunny
Sunny
 2° /-3° 0 mm 0 cm
Dec. 11 Patchy rain possible
Patchy rain possible
 5° /2° 0.3 mm 0 cm
Dec. 12 Partly cloudy
Partly cloudy
 -1° /-6° 0 mm 0 cm
Dec. 13 Overcast
Overcast
 -5° /-13° 0 mm 0 cm
Dec. 14 Moderate or heavy snow showers
Moderate or heavy snow showers
 0° /-5° 21.9 mm 14.6 cm
Dec. 15 Overcast
Overcast
 1° /0° 3.1 mm 2.2 cm
Dec. 16 Overcast
Overcast
 3° /0° 0 mm 0 cm
Dec. 17 Light freezing rain
Light freezing rain
 1° /-3° 2.8 mm 1.2 cm
Dec. 18 Cloudy
Cloudy
 0° /-4° 0.2 mm 0 cm
Dec. 19 Light freezing rain
Light freezing rain
 1° /-4° 1.3 mm 0 cm
Dec. 20 Partly cloudy
Partly cloudy
 -2° /-8° 0.4 mm 0 cm
Dec. 21 Partly cloudy
Partly cloudy
 -3° /-12° 0 mm 0 cm
Dec. 22 Overcast
Overcast
 2° /-5° 0 mm 0 cm
Dec. 23 Overcast
Overcast
 1° /-1° 0 mm 0 cm
Dec. 24 Overcast
Overcast
 0° /-1° 0 mm 0 cm
Dec. 25 Overcast
Overcast
 0° /0° 0 mm 0 cm
Dec. 26 Light freezing rain
Light freezing rain
 3° /0° 1.5 mm 0 cm
Dec. 27 Moderate or heavy rain shower
Moderate or heavy rain shower
 4° /2° 20.8 mm 0 cm
Dec. 28 Overcast
Overcast
 5° /1° 1.1 mm 0 cm
Dec. 29 Overcast
Overcast
 3° /1° 0 mm 0 cm
Dec. 30 Patchy rain possible
Patchy rain possible
 2° /0° 0.1 mm 0 cm
Dec. 31 Heavy snow
Heavy snow
 0° /-2° 23.8 mm 11.6 cm
Next
Important Notice
Our weather forecast for Waterloo 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 Waterloo forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Waterloo in December - FAQ

What are the expected maximum and minimum temperatures in Waterloo during December?
Brace for cold days with temperatures not exceeding 0° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Waterloo during December?
Moderate rainfall is anticipated in Waterloo during December, with a total of 78.4 mm spread over approximately 4 days. Considering plans for rainy days is advisable.
Will it snow in Waterloo in December 2025?
Waterloo experiences an average snowfall of 29.67 cm during December, occurring over 4 days.
What are the typical wind conditions in Waterloo during December?
The average wind speed in Waterloo during December is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

Waterloo snow forecast December 2025

Track daily snowfall levels and discover Waterloo’s snowy potential this December ❄️
On average, Waterloo sees 4 snowy days during December, with approximately 29.7 cm of total snowfall.

December rainfall patterns in Waterloo

Explore the daily rainfall trends and prepare for Waterloos December weather 💧
Typically, Waterloo has 4 rainy days in December with a total of 78.4 mm of rainfall.

Quick links

More Waterloo weather pages
You are here
Location coordinates Where is Waterloo?

Get accurate weather forecasts for Waterloo, located at latitude 42.493 and longitude -92.343. Stay updated with localized weather information tailored for Waterloo.

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