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

Looking to travel to Portland in January? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In January, Portland generally has low temperatures and high rainfall. January falls within the winter season. Throughout the daytime, temperatures often hover around 8°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 2°C.

Portland in January usually receives high rainfall, averaging around 145 mm for the month. Rain is expected on roughly 18 days.

The area sees fewer sunny days, with a projection of about 86 hours of sunshine. This reduced sunlight makes it ideal for those who prefer cooler, overcast conditions over bright sunny 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 Temperature 2°C  

Max Temperature 8°C  

Chance of Rain 60%  

Precipitation 145 mm  

Rainy days 18 days  

Humidity 81%  

Windspeed 14 km/h  

Sunshine 86 hours  

Percentage Sunshine  

Where to go in the United States of America in January

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

Weather conditions Weather

Temperatures

Precipitation

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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 Portland in January?

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 in January.

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

3/10

Outdoor sports

4/10

Interested in more climate information?

Weather and Climate 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 climate conditions. Find out where to go with our weather planner.