Nov · Dec · Jan · Feb · Mar
Late fall to winter (cool + wet): frequent rain and long stretches of gray
Avg low 1–5°C / high 7–11°C · Rainy days: 12–18 / ~80–160 mm (varies by year)
- • Light rain and drizzle can be more common than heavy storms.
- • Wind can make it feel noticeably colder.
- • Short daylight can make evenings feel long.
Suggested outfits
- · Water-resistant outer layer
- · Sweater/hoodie layers
- · Optional grippy shoes
A note for travelers
In winter Seattle, rain and wind management often matters more than heavy insulation.
Apr · May · Jun
Spring (variable): more clear breaks, but showers still happen
Avg low 4–10°C / high 12–20°C · Rainy days: 8–15 / ~40–90 mm
- • You can see sun and showers in the same day.
- • When the sun comes out, it can feel much warmer fast.
- • Evenings can still feel cool—layers help.
Suggested outfits
- · Light rain jacket or wind layer
- · Layering pieces
- · Optional compact umbrella
A note for travelers
Spring is easier when you’re prepared to stay comfortable even if you get lightly wet.
Jul · Aug · Sep
Summer (drier + mild): bright days, cool evenings
Avg low 12–15°C / high 22–26°C (warmer on some days) · Rainy days: 3–6 / ~15–45 mm
- • Even on warm days, shade and evenings can feel cool.
- • Long daylight makes outdoor time feel longer.
- • On occasional hot spells, comfort changes quickly.
Suggested outfits
- · T-shirts + thin evening layer
- · Sunglasses/sunscreen
- · Comfortable walking shoes
A note for travelers
Summer Seattle often feels easy for parks, waterfront walks, and café-hopping.
Oct
Fall (rain returns): frequent rain and a faster cool-down
Avg low 7–9°C / high 13–16°C · Rainy days: 12–18 / ~80–130 mm
- • Rain becomes frequent again.
- • Humidity + wind can feel chillier.
- • Daylight shortens quickly.
Suggested outfits
- · Rain-ready outer layer
- · Layers
- · Optional water-resistant shoes
A note for travelers
From October, it helps to dress for walking even if the forecast includes steady drizzle.