The month in detail
What to expect in January
Winter in Portland is cool (8.0°C during the day). Days are short (2.0h of sunshine) but the city reveals a different side. With 61.0% of rainy days, always have indoor alternatives planned.
January ranks 11 out of 12 months in Portland.
This month's conditions
What it's like in January
UV index
1 · low
no protection needed
Feels like
dry air
2°
Daylight
8.9h of daylight
Air quality
good
AQI 21
Compare
Is January the right month?
The best month in Portland is July (9.4/10), 8.8 pts higher than January.
Context
Our verdict
Portland, in Oregon (USA): 650,000 inhabitants in the urban area, on the Willamette River (which crosses the city and flows into the Columbia 30 km to the north).
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Portland
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Portland
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a city break.
Country · United States
🗣️LanguageEnglish
💶CurrencyUS Dollar ($)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘExpensive · 4/5
🌡️ Climate
🌍Climate typeTemperate
📈Climate trend ⓘStable
🔥Hottest monthAugust · 29°C
❄️Coolest monthJanuary · 8°C
🌧️Rainiest month ⓘJanuary · 61%
🏛️ City break
📅Tourist peak seasonJune → August
☔Indoor sights ⓘYear-round
🚇Public transportGood
Explore
Other destinations in January
If January doesn't convince you for this destination, compare with others.
Location
Where is Portland ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
United StatesTemperate climate with a 9.4 → 0.6 gap between best and worst month. 10 years of ERA5 data to choose by project.
45.52°N · 122.68°W
Questions
Frequently asked questions
What is the best time to visit Portland?
July is the best month with 28.0°C highs, 14.0°C lows, 9.9h of sunshine and 7.0% rainy days. The months of July & August offer comparable conditions.
How many hours of sunshine does Portland get in July?
Portland averages 9.9 sunshine hours per day in July. It is the sunniest month with a climate score of 9.2/10.
What is the rainiest month in Portland?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Portland in July?
In July, overnight lows reach 14.0°C, while afternoon highs average 28.0°C.
Is Portland good in winter?
In winter (December-February), Portland scores 0.6/10 on average — Difficult period — prefer the peak season.. The best month overall remains July with a score of 9.2/10.
When should you avoid Portland?
January is the most difficult month to visit Portland, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Do you need sun protection in Portland in January?
The average UV index reaches 1 in January in Portland (low), with about 8.9h of daylight. No protection needed.