United States · 1991–2020 normal

Portland in
January.

Typical January weather in Portland: -1.4°C by day, -9.1°C at night, 57 mm of rain over 9.9 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high-1.4°C
Typical low-9.1°C
Rain57 mm
Wet days9.9

Comfort score 5 this month (June leads the year at 81). Daylight is calculated as 9 h 21 from latitude 42.87°.

Event window

Frost-level nights in January

The measured night-time normal is -9.1°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5006314
NOAA station
USC00204078 · IONIA 2SSW
Station distance
17 km from the place centre
Coverage
Good coverage · 22 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.