Portland Weather in January
Thinking of visiting Portland in January? Expect pleasant temperatures reaching 19°C (66°F) during the day, dropping to 8°C (46°F) at night, with some rainfall likely.
Rainfall in Portland in January
Expect around 8 days of rain based on historical data, with 58 mm (2.3 in) average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Portland in January
In January, Portland gets pleasant temperatures, with highs of 19°C (66°F). Nights cool to around 8°C (46°F). January is typically considered a winter month. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. The weather this month is milder than usual, but still provides a warm and pleasant atmosphere.
Sunshine in Portland in January
You can expect a moderate amount of sunlight, with approximately 143 hours. This means a pleasant mix of sun and overcast.Should you favor a climate that's both dry and comfortably warm, February, March, April, October, November and December typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Portland's climate page.
Portland Temperature in January
Min Temperature
8°C (46°F)
Max Temperature
19°C (66°F)
Chance of Rain
27%
Precipitation
58 mm (2.3 in)
Rainy days
8 days
Humidity
76% *
Sunshine
143 hours *
Percentage Sunshine
43% *
Best Places 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. See all of the United States of America in January →
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What to Wear in Portland in January
Pleasant temperatures in January mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Portland in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Portland's climate page.
Temperature Rainfall Sunshine Humidity
See the full Portland climate overview or explore weather in the United States of America.
