In January, Seattle averages a high of 47°F (8°C) and a low of 37°F (3°C). Most runs feel like about 42°F (6°C) once you factor in a typical morning or evening start, so dress for that number rather than the thermometer. Cool, damp, and rarely extreme — Seattle is all about staying dry without overheating.
47°F (8°C)
37°F (3°C)
Feels like 42°F (6°C)
Almost any time works this month. Early mornings are coolest if you prefer to avoid the 47°F (8°C) afternoon high.
Long Sleeve Tech Shirt
Breathable moisture-wicking fabric
Capris or Light Tights
3/4 length for moderate warmth
Light Gloves
Thin running gloves
Headband
Ear coverage without overheating
Running Shoes
Your regular training shoes
$115
$55
$349
$17
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In January, Seattle runs feel like about 42°F (6°C). A short or long-sleeve tech shirt with shorts or light tights is ideal. Carry a packable layer if it is windy.
January is some of the best running weather of the year in Seattle, with average highs near 47°F (8°C) and lows near 37°F (3°C).
Most runners wear tights in Seattle in January. Your legs generate a lot of heat, but at feels-like 42°F (6°C) full-length tights are the comfortable choice.
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