ClimateAverages

Portland Weather in January

January daytime high
-1.0°C
January overnight low
-10.1°C
January average
-5.5°C

In January, Portland typically sees daytime highs of -1.0°C and overnight lows around -10.1°C. Compared to the annual average high of 12.6°C, January runs -13.6°C.

vs. annual avg high
-13.6°C
Rank among 12 months
#12 warmest
Hottest year overall
2023

Where January ranks in Portland

Jan-1°FebMarAprMayJunJulAugSepOctNovDec

FAQ

What is the average temperature in Portland in January?

January in Portland averages a daytime high of -1.0°C and an overnight low of -10.1°C.

Is January warm or cold in Portland?

January runs -13.6°C compared to Portland's annual average high of 12.6°C, ranking #12 of 12 months by warmth.

What should I pack for Portland in January?

Plan for daytime highs near -1.0°C and cooler evenings around -10.1°C.

Other months for Portland