Month-by-month travel weather
Portland January weather
Portland, United States · January
Comfort depends more on staying dry than on temperature
January is one of Portland’s dampest-feeling months. Even without extreme cold, wet air and wind can feel chilling.
If you’ll walk a lot, keeping shoes and pant hems drier can change the whole day.
January averages at a glance
Average low
around 2–4°C
Average high
around 8–10°C
Average precipitation
around 120–170 mm
Rainy days
about 16–20 days
What to wear in January in Portland
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Water-resistant outer layer + layers works well.
- • A hooded shell is often easier than an umbrella.
- • Optional water-resistant shoes help a lot.
Travel tips for visiting Portland in January
- • Wind can make umbrellas annoying—rain jackets often win here.
- • Use indoor anchors (cafés/museums) to reset comfort.
January weather in Portland — FAQ
Q. Is January very cold?
A. Not always by numbers, but damp wind can feel quite cold.
Q. Does it rain all day?
A. Sometimes it’s steady drizzle rather than a single heavy storm.
Explore Portland
These pages are connected so you can compare conditions and decide for yourself.