Seattle
January
Weather in Seattle for January 2025
Your guide to Seattle weather in January - trends and predictions
In general, the average temperature in Seattle 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 Seattle 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
Seattle 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 Seattle
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 Seattle 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 Seattle forecast closer to your planned date for the most up-to-date weather information.
Seattle in January - FAQ
What are the expected maximum and minimum temperatures in Seattle during January?
Prepare for cooler days with highs just around 9° and colder nights, dipping below 0°.
How much rainfall should be expected in Seattle during January?
Significant rainfall exceeding 271.4 mm is expected in Seattle during January, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Seattle during January?
Seattle 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 Seattle during January?
The average wind speed in Seattle during January is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Seattle
Explore the daily rainfall trends and prepare for Seattles January weather 💧
January snowfall in Seattle
Track daily snowfall levels and discover Seattle’s snowy potential this January ❄️
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