King County (Seattle)
January
Weather in King County for January 2025
Your guide to King County weather in January - trends and predictions
In general, the average temperature in King County at the beginning of January is 7.6 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 8.7 °F by the end of January.
Expect significant rainfall in King County during January, with an average of 17 rainy days.
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14
Dry days
17
Rainy days
0
Snow days
9°/0°
Temperatures
11 km/h
Avg max wind
83 %
Avg humidity
King County in January average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  8° | 2 7° | 3  9° | 4 8° | 5 8° | ||
| 6  7° | 7 6° | 8  6° | 9 9° | 10 6° | 11 8° | 12 4° |
| 13 2° | 14 5° | 15 5° | 16 5° | 17 4° | 18 4° | 19  4° |
| 20  7° | 21 5° | 22 6° | 23 8° | 24 7° | 25 8° | 26 9° |
| 27 8° | 28 10° | 29 10° | 30 9° | 31 7° |
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Temperatures trend during January in King County
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 | Overcast | 8° /1° | 0.1 mm | 0 cm | |
| Jan. 2 | Overcast | 7° /1° | 0 mm | 0 cm | |
| Jan. 3 | Patchy rain possible | 9° /2° | 0.6 mm | 0 cm | |
| Jan. 4 | Patchy rain possible | 8° /3° | 1.7 mm | 0 cm | |
| Jan. 5 | Patchy rain possible | 8° /3° | 2 mm | 0 cm | |
| Jan. 6 | Moderate rain at times | 7° /3° | 4.5 mm | 0 cm | |
| Jan. 7 | Moderate rain at times | 6° /2° | 3.4 mm | 0 cm | |
| Jan. 8 | Heavy rain at times | 6° /1° | 7.5 mm | 0 cm | |
| Jan. 9 | Patchy rain possible | 9° /3° | 9.3 mm | 0 cm | |
| Jan. 10 | Overcast | 6° /1° | 0.5 mm | 0 cm | |
| Jan. 11 | Patchy rain possible | 8° /1° | 2.4 mm | 0 cm | |
| Jan. 12 | Moderate or heavy rain shower | 4° /0° | 9.5 mm | 0.4 cm | |
| Jan. 13 | Heavy rain at times | 2° /-2° | 4.5 mm | 0 cm | |
| Jan. 14 | Patchy rain possible | 5° /-2° | 1.2 mm | 0 cm | |
| Jan. 15 | Moderate rain at times | 5° /0° | 5.1 mm | 0 cm | |
| Jan. 16 | Overcast | 5° /0° | 1.9 mm | 0 cm | |
| Jan. 17 | Patchy rain possible | 4° /2° | 9.3 mm | 0 cm | |
| Jan. 18 | Heavy rain at times | 4° /2° | 15.2 mm | 0 cm | |
| Jan. 19 | Cloudy | 4° /0° | 6.2 mm | 0 cm | |
| Jan. 20 | Sunny | 7° /-1° | 0 mm | 0 cm | |
| Jan. 21 | Heavy rain at times | 5° /1° | 10.6 mm | 0 cm | |
| Jan. 22 | Overcast | 6° /2° | 8.5 mm | 0 cm | |
| Jan. 23 | Patchy rain possible | 8° /2° | 3.9 mm | 0 cm | |
| Jan. 24 | Patchy rain possible | 7° /3° | 4.8 mm | 0 cm | |
| Jan. 25 | Overcast | 8° /3° | 3.8 mm | 0 cm | |
| Jan. 26 | Patchy rain possible | 9° /2° | 2.1 mm | 0 cm | |
| Jan. 27 | Patchy rain possible | 8° /5° | 6.4 mm | 0 cm | |
| Jan. 28 | Overcast | 10° /4° | 6.5 mm | 0 cm | |
| Jan. 29 | Sunny | 10° /3° | 0.3 mm | 0 cm | |
| Jan. 30 | Overcast | 9° /3° | 0.3 mm | 0 cm | |
| Jan. 31 | Overcast | 7° /4° | 3.4 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.
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 9° and colder nights, dipping below 0°.
How much rainfall should be expected in King County during January?
Significant rainfall exceeding 271.4 mm is expected in King County during January, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in King County during January?
King County experiences an average snowfall of 0.9 cm during January, occurring over 0 days, which may interest winter sports enthusiasts.
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.
January rainfall patterns in King County
Explore the daily rainfall trends and prepare for King Countys January weather 💧
January snowfall in King County
Track daily snowfall levels and discover King County’s snowy potential this January ❄️
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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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