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.