Weather in Seattle in January
Seattle, United States averages a high of 7.4°C (45.3°F) and low of 2°C (35.6°F) in January, with 18 rain days and 4.3 hours of daily sunshine. Travel score: 36.3/100 (Poor). The best time to visit Seattle is July.
High
7°C45°F
Low
2°C36°F
🌧️
18
rain days
☀️
4.3
hrs/day sunshine
💧
85%
humidity
36— Poor
January in Seattle is cold and rainy — challenging weather conditions.
What are the average temperatures in Seattle?
How much does it rain in Seattle in January?
Seattle receives an average of 172.9mm of rainfall across 18 rainy days in January. The annual total is 1249.4mm.
What should I pack for Seattle in January?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 7°C
🧶
Sweaters and warm layers
Layer up for comfort
🧥
Waterproof jacket
Frequent rain expected (18 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧤
Warm gloves
Cold nights around 2°C
🧣
Warm scarf
Protect against cold winds
Traveling to United States in January?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31