easeweather.com
Snohomish County (Everett)
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)Everett (WA)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)Norfolk (VA)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)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 Snohomish County, Washington for December 2025

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

    Official Weather Alert ⚠️

  • Flood Warning - See hour by hour.

    • Temperatures

  • Until now, December 2025 in Snohomish County has been nearly identical to the historical average, with a temperature of 8.7 °F (showing only a slight deviation of 0.5 °F).

  • The forecast for the next days in Snohomish County predicts temperatures to be around 7 °F, close to the historical average.

  • In general, the average temperature in Snohomish County at the beginning of December is 7.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 6.7 °F by the end of December.

    • Rain 🌧️

  • Snohomish County in December brings notable rainfall, with an average of 19 rainy days and a total precipitation of 325.1 mm.

    • More

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

Average dry days
12
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
7°/4°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
82 %
Avg humidity

Snohomish County Weather December

Move between months or click on a day
November
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Fog
6°
2
Mist
6°
3
Cloudy
5°
4
Cloudy
7°
5
Overcast
8°
6
Overcast
11°
7
Heavy rain
10°
8
Thundery outbreaks possible
9°
9
Cloudy
8°
10
Mist
7°
11
Partly cloudy
10°
12
Moderate rain at times
9°
13
Moderate rain at times
10°
14
Overcast
10°
15
Overcast
9°
16
Moderate rain
7°
17
Cloudy
8°
18
Moderate or heavy rain with thunder
9°
19
Moderate rain at times
7°
20
Overcast
12°
21
Weather Alert Patchy rain possible
7°
22
Moderate rain
7°
23
Overcast
6°
24
Cloudy
6°
25
Partly cloudy
4°
26
Patchy rain possible
6°
27
Patchy rain possible
5°
28
Patchy rain possible
8°
29
Patchy rain possible
7°
30
Moderate rain
8°
31
Patchy rain possible
9°

Temperatures trend during December in Snohomish County

See the weather trend as well as the moving average line

December weather in Snohomish County day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
Dec. 1 Fog
Fog
 6° /2° 0 mm 2
Dec. 2 Mist
Mist
 6° /1° 0 mm 2
Dec. 3 Cloudy
Cloudy
 5° /1° 0 mm 2
Dec. 4 Cloudy
Cloudy
 7° /1° 25.6 mm 2
Dec. 5 Overcast
Overcast
 8° /4° 14.3 mm 2
Dec. 6 Overcast
Overcast
 11° /8° 0 mm 3
Dec. 7 Heavy rain
Heavy rain
 10° /5° 53 mm 3
Dec. 8 Thundery outbreaks possible
Thundery outbreaks possible
 9° /6° 46.5 mm 3
Dec. 9 Cloudy
Cloudy
 8° /4° 15.6 mm 2
Dec. 10 Mist
Mist
 7° /3° 25.1 mm 2
Dec. 11 Partly cloudy
Partly cloudy
 10° /5° 7.8 mm 3
Dec. 12 Moderate rain at times
Moderate rain at times
 9° /6° 2.5 mm 3
Dec. 13 Moderate rain at times
Moderate rain at times
 10° /7° 4.6 mm 3
Dec. 14 Overcast
Overcast
 10° /7° 8 mm 3
Dec. 15 Overcast
Overcast
 9° /6° 7.6 mm 3
Dec. 16 Moderate rain
Moderate rain
 7° /4° 9.7 mm 2
Dec. 17 Cloudy
Cloudy
 8° /3° 13.4 mm 2
Dec. 18 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 9° /5° 22.1 mm 3
Dec. 19 Moderate rain at times
Moderate rain at times
 7° /4° 9.2 mm 2
Dec. 20 Overcast
Overcast
 12° /9° 0 mm 3
Dec. 21 Patchy rain possible
Patchy rain possible
 7° /6° 0.5 mm 0.1
Dec. 22 Moderate rain
Moderate rain
 7° /4° 8.8 mm 0.1
Dec. 23 Overcast
Overcast
 6° /3° 0 mm 0
Dec. 24 Cloudy
Cloudy
 6° /1° 0 mm 0.1
Dec. 25 Partly cloudy
Partly cloudy
 4° /0° 0.1 mm 0
Dec. 26 Patchy rain possible
Patchy rain possible
 6° /2° 1.5 mm 1
Dec. 27 Patchy rain possible
Patchy rain possible
 5° /2° 0.6 mm 1
Dec. 28 Patchy rain possible
Patchy rain possible
 8° /1° 0.3 mm 1
Dec. 29 Patchy rain possible
Patchy rain possible
 7° /1° 1.2 mm 1
Dec. 30 Moderate rain
Moderate rain
 8° /5° 8.2 mm 2
Dec. 31 Patchy rain possible
Patchy rain possible
 9° /6° 2.8 mm 2
Next
Important Notice
Our weather forecast for Snohomish 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 Snohomish County forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Snohomish County in December - FAQ

What are the expected maximum and minimum temperatures in Snohomish County during December?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 4°.
How much rainfall should be expected in Snohomish County during December?
Significant rainfall exceeding 325.1 mm is expected in Snohomish County during December, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Snohomish County in December 2025?
Snohomish County typically sees 0 cm of snowfall during December.
What are the typical wind conditions in Snohomish County during December?
The average wind speed in Snohomish County during December is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Snohomish County

Explore the daily rainfall trends and prepare for Snohomish Countys December weather 💧
Typically, Snohomish County has 19 rainy days in December with a total of 325.1 mm of rainfall.
Top locations in Snohomish County
Select a location for an accurate weather forecast
Everett
More Locations

Quick links

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

Get accurate weather forecasts for Snohomish County, located at latitude 47.979 and longitude -122.202. Stay updated with localized weather information tailored for Snohomish County.

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