King County (Seattle)
January
Weather in King County, Washington for January 2026
Your guide to King County weather in January - trends and predictions
King County typically experiences moderate snowfall in January, with an average of 6 snowy days.
According to King County snow forecast for January 2026, no snow is expected at the beginning of the month.The forecast for the next days in King County predicts temperatures to be around 7 °F, close to the historical average.
In general, the average temperature in King County at the beginning of January is 7 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 8.1 °F by the end of January.
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Snow Forecast ❄️
Temperatures
More
3
Dry days
22
Rainy days
6
Snow days
7°/2°
Temperatures
11 km/h
Avg max wind
83 %
Avg humidity
King County Weather January
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Temperatures trend during January in King County
See the weather trend as well as the moving average line
January weather in King County day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 |  Patchy rain possible | 7° /4° | 1.4 mm | 0 cm | |
| Jan. 2 | Patchy rain possible | 5° /2° | 2.1 mm | 0 cm | |
| Jan. 3 | Patchy rain possible | 7° /2° | 11.3 mm | 1.5 cm | |
| Jan. 4 | Patchy rain possible | 7° /3° | 8.5 mm | 0.1 cm | |
| Jan. 5 | Patchy rain possible | 7° /3° | 5.2 mm | 0.6 cm | |
| Jan. 6 | Patchy rain possible | 9° /3° | 13.8 mm | 1.6 cm | |
| Jan. 7 |  Cloudy | 7° /2° | 6.3 mm | 0 cm | |
| Jan. 8 |  Moderate or heavy rain shower | 7° /1° | 4.7 mm | 0 cm | |
| Jan. 9 |  Partly cloudy | 8° /1° | 3.7 mm | 0 cm | |
| Jan. 10 | Patchy rain possible | 7° /2° | 6 mm | 0 cm | |
| Jan. 11 | Moderate or heavy rain shower | 8° /3° | 11.5 mm | 0 cm | |
| Jan. 12 | Moderate or heavy rain shower | 7° /3° | 17.4 mm | 0.2 cm | |
| Jan. 13 |  Overcast | 6° /1° | 4.2 mm | 0 cm | |
| Jan. 14 | Cloudy | 7° /1° | 0.5 mm | 0 cm | |
| Jan. 15 | Moderate rain at times | 7° /1° | 3.2 mm | 0 cm | |
| Jan. 16 | Overcast | 6° /1° | 0.8 mm | 0 cm | |
| Jan. 17 | Patchy rain possible | 6° /3° | 4.7 mm | 0 cm | |
| Jan. 18 | Cloudy | 6° /2° | 7.8 mm | 0 cm | |
| Jan. 19 | Partly cloudy | 7° /1° | 3.8 mm | 0 cm | |
| Jan. 20 | Overcast | 7° /1° | 4.2 mm | 0 cm | |
| Jan. 21 | Overcast | 6° /2° | 4.3 mm | 0 cm | |
| Jan. 22 | Overcast | 7° /1° | 3.4 mm | 0 cm | |
| Jan. 23 | Overcast | 7° /1° | 1.6 mm | 0 cm | |
| Jan. 24 | Moderate rain at times | 6° /2° | 3.4 mm | 0 cm | |
| Jan. 25 | Overcast | 8° /1° | 1.8 mm | 0 cm | |
| Jan. 26 | Patchy rain possible | 9° /1° | 1.2 mm | 0 cm | |
| Jan. 27 | Patchy rain possible | 7° /2° | 3.1 mm | 0 cm | |
| Jan. 28 | Overcast | 9° /1° | 3 mm | 0 cm | |
| Jan. 29 | Overcast | 8° /1° | 0.2 mm | 0 cm | |
| Jan. 30 | Moderate rain at times | 8° /3° | 3.9 mm | 0 cm | |
| Jan. 31 |  Heavy rain at times | 8° /3° | 7 mm | 0 cm | |
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Important Notice
Our weather forecast for King County in January 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.
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King County in January - FAQ
What are the expected maximum and minimum temperatures in King County during January?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 2°.
How much rainfall should be expected in King County during January?
Significant rainfall exceeding 176 mm is expected in King County during January, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
Will it snow in King County in January 2026?
King County experiences an average snowfall of 4.276 cm during January, occurring over 6 days.
What are the typical wind conditions in King County during January?
The average wind speed in King County during January is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
King County snow forecast January 2026
Track daily snowfall levels and discover King County’s snowy potential this January ❄️
On average, King County sees 6 snowy days during January, with approximately 4.3 cm of total snowfall.
January rainfall patterns in King County
Explore the daily rainfall trends and prepare for King Countys January weather 💧
Typically, King County has 22 rainy days in January with a total of 176 mm of rainfall.
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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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