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Portland weather in January (Oregon, United States of America)

How does the January weather in Portland compare to other months? Find out what kind of weather to expect during this month.

Temperatures

In January, Portland usually has low temperatures and high rainfall. January is part of the winter season. The temperature during the day can rise to approximately 8°C. At night, it falls to around 2°C.

Precipitation

Portland in January usually receives high rainfall, averaging around 145 mm for the month. You can typically expect 18 days days of rain this month, based on climate records.

Average sunshine

The area experiences limited sunny days, amounting to roughly 86 hours of sunshine. This makes it perfect for those who lean towards cooler, cloudier settings rather than intense sunlit days.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Portland. May, June, July, August and September generally stand out with the best circumstances. While January, March, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Portland climate page with graphs.

 

Portland, monthly averages in January

Min TemperatureMin Temperature 2°C  
Max TemperatureMax Temperature 8°C  
Chance of RainChance of Rain 60%  
PrecipitationPrecipitation 145 mm  
Rainy daysRainy days 18 days  
HumidityHumidity 81%  
WindspeedWindspeed 14 km/h  
SunshineSunshine 86 hours  
Percentage SunshinePercentage Sunshine  

Where to go in the United States of America in January

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Wear a base layer in cold weather; this is the #1 thing you can do to increase your overall body temperature.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
4/10
Cycling
4/10
Walking
4/10
Camping
3/10
Outdoor sports
4/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Portland.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.