Seattle
January
Weather in Seattle for January 2026
Your guide to Seattle weather in January - trends and predictions
Seattle typically experiences moderate snowfall in January, with an average of 6 snowy days.
In general, the average temperature in Seattle at the beginning of January is 7.3 °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
2
Dry days
23
Rainy days
6
Snow days
7°/2°
Temperatures
12 km/h
Avg max wind
83 %
Avg humidity
Seattle Weather January
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  7° | 2 7° | 3  7° | ||||
| 4 7° | 5 7° | 6 9° | 7  7° | 8  7° | 9  8° | 10 7° |
| 11 8° | 12 7° | 13 6° | 14 7° | 15 7° | 16 6° | 17 6° |
| 18 6° | 19 7° | 20 7° | 21 6° | 22 7° | 23 7° | 24 6° |
| 25 8° | 26 9° | 27 7° | 28 9° | 29 8° | 30 8° | 31  8° |
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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 | 7° /0° | 11.2 mm | 0 cm | |
| Jan. 2 | Overcast | 7° /1° | 14.1 mm | 0.3 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 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 7° and colder nights, dipping below 2°.
How much rainfall should be expected in Seattle during January?
Significant rainfall exceeding 188.7 mm is expected in Seattle during January, occurring over more than 23 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Seattle in January 2026?
Seattle experiences an average snowfall of 5.345 cm during January, occurring over 6 days.
What are the typical wind conditions in Seattle during January?
The average wind speed in Seattle during January is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
Seattle snow forecast January 2026
Track daily snowfall levels and discover Seattle’s snowy potential this January ❄️
January rainfall patterns in Seattle
Explore the daily rainfall trends and prepare for Seattles January weather 💧
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