Temperatures Precipitation Sun/ Daylight Humidity Graphs Map Comparisons Forecast Hotels January February March April May June July August September October November December Weather in January in Portland, Oregon

• The average temperature in Portland, Oregon in January is cool at 4.2 °C (39.56 °F).
• Afternoons can be a little cool with average high temperatures reaching 7.4 °C (45.3 °F).
• Overnight temperatures are generally very cool with an average low of 0.9 °C (33.6 °F).
• In January there is a range/ variation of diurnal average temperatures of 6.5 °C (11.7 °F).
• The weather in January is far from dry with sleet, rain or snow at intervals. Some 135.9mm (5.4in) of water is unloaded during an average of 18 days.
• The heavens above Portland, Oregon are really dreary with on average only 1:48 of radiant sunshine daily.
• The shortest day is 8:45 long and the longest day is 9:37 long with an average length of 9:07.
• There are approximately 7:07 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
• It is sunny approximately 20.2% of daylight hours and cloudy 79.8% of daylight hours.

Check the distance to and compare the Portland, Oregon January averages with somewhere beginning with:

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | All

Weather Trend Graph for January in Portland, Oregon, Usa

Navigate to January Weather in Locations Surrounding Portland, Oregon:

Go up