Nov · Dec · Jan · Feb · Mar
Late fall to winter (cool + wet): frequent rain and long gray stretches
Avg low 2–6°C / high 8–12°C · Rainy days: 12–18 / ~90–170 mm
- • Steady drizzle can create an all-day ‘damp’ feeling.
- • Wind can make it feel colder than expected.
- • Short daylight can make evenings feel long.
Suggested outfits
- · Water-resistant outer layer
- · Sweater/hoodie layers
- · Optional water-resistant shoes
A note for travelers
In Portland winter, staying dry and wind-ready often beats just wearing thicker clothes.
Apr · May · Jun
Spring (variable): more sun breaks, with showery days still mixed in
Avg low 6–11°C / high 14–22°C · Rainy days: 8–14 / ~45–95 mm
- • Sun can make afternoons feel much warmer quickly.
- • You may get sun and showers on the same day.
- • Evenings can stay cool—layers help.
Suggested outfits
- · Light rain jacket/wind layer
- · Layering pieces
- · Optional compact umbrella
A note for travelers
In spring, it helps to be okay staying comfortable even if you get lightly wet.
Jul · Aug · Sep
Summer (dry + warm): bright days, cooler evenings
Avg low 13–16°C / high 24–30°C (hot spells possible) · Rainy days: 2–6 / ~10–35 mm
- • Dry air feels less sticky, but direct sun can feel intense.
- • Evenings often cool down—thin layers help.
- • On smoky days, air quality can shape comfort.
Suggested outfits
- · Breathable clothing
- · Sunscreen/sunglasses
- · Optional thin evening layer
A note for travelers
Summer Portland often invites long walks—shade and hydration planning helps.
Oct
Fall (transition): rain returns and the city cools down quickly
Avg low 7–9°C / high 14–17°C · Rainy days: 10–16 / ~70–120 mm
- • Rain becomes frequent again.
- • Wind can add a chill.
- • Daylight shortens quickly.
Suggested outfits
- · Rain-ready outer layer
- · Layers
- · Optional water-resistant shoes
A note for travelers
From October, a rain jacket can become a daily tool rather than a backup.
