Business Casual
Camel Coat Patent Thigh
A camel coat over dark jeans and a black crewneck gains editorial edge from patent leather thigh-high boots in light rain. A canvas tote keeps the rest functional.
What to Wear in Seattle in December
What to wear
top / Long-Sleeve Top
fitted long-sleeve
bottom / Jeans
straight-leg
chinos for a slightly smarter look
footwear / Waterproof Boots
ankle boots
rubber sole for traction — keep feet dry all day
outerwear / Rain Jacket
shell jacket
waterproof or DWR-treated — keep it packable
Consider bringing:
Umbrella
Based on typical December conditions in Seattle. Weather varies year to year — check the live forecast when you're within two weeks of your trip.
Seattle in December is wet and rainy, with average highs near 46°F. December brings significant rainfall to Seattle. Waterproof footwear and a quality rain jacket are daily necessities. A mid-weight coat or heavy jacket with warm layers works well; waterproof outerwear is advisable given the rainfall. Plan outfits that can transition comfortably between outdoor conditions and air-conditioned interiors. The Pacific Northwest technical outdoor meets quiet creative cool style sensibility shapes what works here — practical and polished, comfort-forward without sacrificing presence. Whether you're exploring Seattle's neighborhoods or attending events, December rewards dressers who layer thoughtfully and prioritize fabric quality for the conditions.
Curated Looks
Casual
The Rust Shacket
A rust plaid shacket works as jacket and top layer in light rain. Suede knee-high boots and a cream maxi skirt carry the look when the weather clears.
Chic
Camel Coat Maxi Combat
A camel coat over a black turtleneck and cream maxi skirt cuts a strong silhouette in light rain. Black combat boots under the skirt are the editorial surprise that makes it.
Cozy
Hoodie Under the Parka
A black longline parka over an oversized hoodie and fleece-lined leggings handles everything light rain brings. Tan Chelsea boots and a grey scarf soften the all-black stack.
Cute
Lilac Vest Cream Stack
A pastel lilac vest over a cream cardigan and wide-leg sweatpants reads softly in light rain. Black Chelsea boots are the only contrast in this muted palette.
Formal
Grey Coat Formal Rain
A grey longline coat over camel trousers and a black turtleneck holds formal presence through light rain. The black mini shoulder bag keeps what needs carrying close.
Sporty
Rain Jacket Zip Layer
A black rain jacket over a white zip-up hoodie is the light-rain sporty combination that stays clean in colour. Fleece leggings and Chelsea boots handle the rest.
Other Months in Seattle
Frequently Asked Questions
What should I wear in Seattle in December?+
Seattle in December is cool, with highs in the 50s. Comfortable layering works well: a jacket or cardigan over lighter pieces covers temperature variation through the day. Waterproof outerwear is advised.
How cold is Seattle in December?+
Seattle in December averages highs around 46°F. Cool enough to require a proper jacket and warm layers for comfortable outdoor time.
Does it rain in Seattle in December?+
Seattle is frequently rainy in December. Expect regular rainfall and plan with waterproof gear.
What to pack for Seattle in December?+
For Seattle in December, pack a warm insulated coat, thermal layers, and waterproof boots, a compact umbrella or rain jacket. Versatile layering pieces give you flexibility for changing conditions.