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Weather in King County for December 2024

Your guide to King County weather in December - trends and predictions
  • In general, the average temperature in King County at the beginning of December is 10.4 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 8.3 °F by the end of December.

  • Expect significant rainfall in King County during December, with an average of 18 rainy days.

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Average dry days
13
Dry days
Average rainy days
18
Rainy days
Average snowy days
0
Snow days
Average temperatures
9°/3°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
87 %
Avg humidity

King County in December average weather

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Temperatures trend during December in King County

See the weather trend as well as the moving average line

December weather day by day

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Date Weather Temperatures Rain Snow More
Dec. 1 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
9° /3° 6.1 mm 0 cm
Dec. 2 Moderate rain
Moderate rain
9° /6° 12 mm 0 cm
Dec. 3 Moderate rain
Moderate rain
13° /5° 6.7 mm 0 cm
Dec. 4 Moderate rain
Moderate rain
13° /5° 18.6 mm 0 cm
Dec. 5 Moderate rain
Moderate rain
13° /8° 49.7 mm 0 cm
Dec. 6 Moderate rain
Moderate rain
9° /6° 22.7 mm 0 cm
Dec. 7 Light rain shower
Light rain shower
7° /4° 15.8 mm 0 cm
Dec. 8 Patchy rain possible
Patchy rain possible
7° /2° 0.2 mm 0 cm
Dec. 9 Moderate rain
Moderate rain
5° /0° 19.9 mm 0 cm
Dec. 10 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
8° /3° 8.3 mm 0 cm
Dec. 11 Fog
Fog
8° /6° 0.3 mm 0 cm
Dec. 12 Partly cloudy
Partly cloudy
8° /2° 0 mm 0 cm
Dec. 13 Cloudy
Cloudy
8° /1° 0.2 mm 0 cm
Dec. 14 Light rain
Light rain
7° /4° 3.5 mm 0 cm
Dec. 15 Overcast
Overcast
10° /4° 0 mm 0 cm
Dec. 16 Overcast
Overcast
9° /2° 0 mm 0 cm
Dec. 17 Sunny
Sunny
9° /2° 0 mm 0 cm
Dec. 18 Overcast
Overcast
9° /3° 0 mm 0 cm
Dec. 19 Light rain
Light rain
7° /6° 9.2 mm 0 cm
Dec. 20 Sunny
Sunny
11° /4° 0 mm 0 cm
Dec. 21 Overcast
Overcast
10° /4° 0 mm 0 cm
Dec. 22 Overcast
Overcast
1° /-3° 3.2 mm 0 cm
Dec. 23 Moderate or heavy rain shower
Moderate or heavy rain shower
5° /-4° 9.4 mm 5.1 cm
Dec. 24 Moderate or heavy rain shower
Moderate or heavy rain shower
5° /1° 13.2 mm 0 cm
Dec. 25 Patchy rain possible
Patchy rain possible
6° /2° 14.6 mm 0 cm
Dec. 26 Moderate or heavy rain shower
Moderate or heavy rain shower
11° /5° 21.4 mm 0 cm
Dec. 27 Heavy rain at times
Heavy rain at times
8° /5° 10.8 mm 0 cm
Dec. 28 Patchy rain possible
Patchy rain possible
8° /3° 1.8 mm 0 cm
Dec. 29 Patchy rain possible
Patchy rain possible
7° /3° 2.1 mm 0 cm
Dec. 30 Moderate rain at times
Moderate rain at times
9° /4° 8.5 mm 0 cm
Dec. 31 Moderate rain at times
Moderate rain at times
9° /3° 2.7 mm 0 cm
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Important Notice
Our weather forecast for King 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 King County forecast closer to your planned date for the most up-to-date weather information.

King County in December - FAQ

What are the expected maximum and minimum temperatures in King County during December?
Prepare for cooler days with highs just around 9° and colder nights, dipping below 3°.
How much rainfall should be expected in King County during December?
Significant rainfall exceeding 348.5 mm is expected in King County during December, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in King County during December?
King County experiences an average snowfall of 10.3 cm during December, occurring over 0 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in King County during December?
The average wind speed in King County during December is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in King County

Explore the daily rainfall trends and prepare for King Countys December weather 💧

December snowfall in King County

Track daily snowfall levels and discover King County’s snowy potential this December ❄️
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Location coordinates Where is King County?

Get accurate weather forecasts for King County, located at latitude 47.606 and longitude -122.332. Stay updated with localized weather information tailored for King County.

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