Seattle (WA)
January
Weather in Seattle, Washington for January 2027
Your guide to Seattle weather in January - trends and predictions
Snowfall in Seattle during January is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Seattle at the beginning of January is 6.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 7.8 °C by the end of January.
The climate of Seattle in January is notably wet, with an average of 14 rainy days, and a total of 170.9 mm of precipitation.
Is January a good time to visit Seattle? check out the best time to travel to Seattle page.
✨ Is January a good time to visit Seattle? – Ask the AI Weatherman
Snow Forecast ❄️
Temperatures
Rain 🌧️
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16
Dry days
14
Rainy days
1
Snow days
7°/2°
Temperatures
11 km/h
Avg max wind
84 %
Avg humidity
Seattle Weather January
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Temperatures trend during January in Seattle
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January weather in Seattle day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 |  Light rain | 6° /0° | 9.4 mm | 0 cm | |
| Jan. 2 |  Moderate rain | 7° /2° | 13.2 mm | 0.3 cm | |
| Jan. 3 | Moderate rain | 7° /3° | 11.4 mm | 1.3 cm | |
| Jan. 4 | Light rain | 7° /4° | 7.9 mm | 0.1 cm | |
| Jan. 5 | Light rain | 7° /4° | 8.2 mm | 0.5 cm | |
| Jan. 6 | Moderate rain | 8° /3° | 12.7 mm | 1.3 cm | |
| Jan. 7 | Light rain | 7° /2° | 7.9 mm | 0 cm | |
| Jan. 8 | Light rain | 6° /2° | 4.3 mm | 0 cm | |
| Jan. 9 | Light rain | 8° /2° | 3.1 mm | 0 cm | |
| Jan. 10 | Light rain | 7° /2° | 5 mm | 0 cm | |
| Jan. 11 | Moderate rain | 8° /4° | 12.5 mm | 0 cm | |
| Jan. 12 | Moderate rain | 7° /4° | 15 mm | 0.1 cm | |
| Jan. 13 | Light rain | 6° /3° | 3.5 mm | 0 cm | |
| Jan. 14 |  Cloudy | 7° /2° | 0.4 mm | 0 cm | |
| Jan. 15 | Light rain | 7° /2° | 2.7 mm | 0 cm | |
| Jan. 16 |  Overcast | 7° /2° | 0.6 mm | 0 cm | |
| Jan. 17 | Light rain | 7° /3° | 4 mm | 0 cm | |
| Jan. 18 | Light rain | 6° /3° | 6.5 mm | 0 cm | |
| Jan. 19 | Light rain | 7° /2° | 3.2 mm | 0 cm | |
| Jan. 20 | Light rain | 6° /2° | 3.5 mm | 0 cm | |
| Jan. 21 | Light rain | 6° /2° | 3.6 mm | 0 cm | |
| Jan. 22 | Light rain | 7° /1° | 2.8 mm | 0 cm | |
| Jan. 23 |  Patchy rain possible | 7° /1° | 1.3 mm | 0 cm | |
| Jan. 24 | Light rain | 6° /2° | 2.8 mm | 0 cm | |
| Jan. 25 | Patchy rain possible | 7° /1° | 1.5 mm | 0 cm | |
| Jan. 26 | Patchy rain possible | 8° /1° | 1 mm | 0 cm | |
| Jan. 27 | Light rain | 7° /2° | 2.6 mm | 0 cm | |
| Jan. 28 | Light rain | 8° /3° | 3.1 mm | 0 cm | |
| Jan. 29 | Light rain | 8° /2° | 5.5 mm | 0 cm | |
| Jan. 30 |  Moderate rain at times | 8° /4° | 6 mm | 0 cm | |
| Jan. 31 | Light rain | 9° /5° | 5.8 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.
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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 170.9 mm is expected in Seattle during January, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Seattle in January 2027?
Seattle typically sees 3.6 cm of snowfall during January.
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.
Seattle snow forecast January 2027
Track daily snowfall levels and discover Seattle’s snowy potential this January ❄️
On average, Seattle sees 1 snowy days during January, with approximately 3.6 cm of total snowfall.
January rainfall patterns in Seattle
Explore the daily rainfall trends and prepare for Seattles January weather 💧
Typically, Seattle has 14 rainy days in January with a total of 170.9 mm of rainfall.
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