King County (Seattle)
December
Weather in King County for December 2024
Your guide to King County weather in December - trends and predictions
The forecast for the first days of December 2024 in King County predicts a temperature of 8.5 °F, which is cooler than the historical average.
In general, the average temperature in King County at the beginning of December is 10 °F. As the month progressed, temperatures tended to moderately fall, 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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13
Dry days
18
Rainy days
0
Snow days
9°/3°
Temperatures
12 km/h
Avg max wind
87 %
Avg humidity
King County in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  8° | ||||||
| 2  8° | 3  10° | 4 14° | 5 14° | 6  9° | 7  7° | 8 7° |
| 9 5° | 10  8° | 11  8° | 12 8° | 13  8° | 14  7° | 15 10° |
| 16 9° | 17 9° | 18 9° | 19 7° | 20 11° | 21 10° | 22 1° |
| 23  5° | 24 5° | 25 6° | 26 11° | 27  8° | 28 8° | 29 7° |
| 30 9° | 31 9° |
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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 | Partly cloudy | 8° /1° | 0 mm | 0 cm | |
| Dec. 2 | Sunny | 8° /1° | 0 mm | 0 cm | |
| Dec. 3 | Overcast | 10° /7° | 0 mm | 0 cm | |
| Dec. 4 | Sunny | 14° /8° | 0 mm | 0 cm | |
| Dec. 5 | Sunny | 14° /6° | 0 mm | 0 cm | |
| Dec. 6 | Moderate rain | 9° /6° | 22.7 mm | 0 cm | |
| Dec. 7 | Light rain shower | 7° /4° | 15.8 mm | 0 cm | |
| Dec. 8 | Patchy rain possible | 7° /2° | 0.2 mm | 0 cm | |
| Dec. 9 | Moderate rain | 5° /0° | 19.9 mm | 0 cm | |
| Dec. 10 | Moderate or heavy rain with thunder | 8° /3° | 8.3 mm | 0 cm | |
| Dec. 11 | Fog | 8° /6° | 0.3 mm | 0 cm | |
| Dec. 12 | Partly cloudy | 8° /2° | 0 mm | 0 cm | |
| Dec. 13 | Cloudy | 8° /1° | 0.2 mm | 0 cm | |
| Dec. 14 | Light rain | 7° /4° | 3.5 mm | 0 cm | |
| Dec. 15 | Overcast | 10° /4° | 0 mm | 0 cm | |
| Dec. 16 | Overcast | 9° /2° | 0 mm | 0 cm | |
| Dec. 17 | Sunny | 9° /2° | 0 mm | 0 cm | |
| Dec. 18 | Overcast | 9° /3° | 0 mm | 0 cm | |
| Dec. 19 | Light rain | 7° /6° | 9.2 mm | 0 cm | |
| Dec. 20 | Sunny | 11° /4° | 0 mm | 0 cm | |
| Dec. 21 | Overcast | 10° /4° | 0 mm | 0 cm | |
| Dec. 22 | Overcast | 1° /-3° | 3.2 mm | 0 cm | |
| Dec. 23 | Moderate or heavy rain shower | 5° /-4° | 9.4 mm | 5.1 cm | |
| Dec. 24 | Moderate or heavy rain shower | 5° /1° | 13.2 mm | 0 cm | |
| Dec. 25 | Patchy rain possible | 6° /2° | 14.6 mm | 0 cm | |
| Dec. 26 | Moderate or heavy rain shower | 11° /5° | 21.4 mm | 0 cm | |
| Dec. 27 | Heavy rain at times | 8° /5° | 10.8 mm | 0 cm | |
| Dec. 28 | Patchy rain possible | 8° /3° | 1.8 mm | 0 cm | |
| Dec. 29 | Patchy rain possible | 7° /3° | 2.1 mm | 0 cm | |
| Dec. 30 | Moderate rain at times | 9° /4° | 8.5 mm | 0 cm | |
| Dec. 31 | 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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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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