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Climate & Weather Averages in Portland, Oregon, USA

Currently: 4 °C. Passing clouds. (Weather station: Portland International Airport, USA). See more current weather

Annual Weather Averages Near Portland

Averages are for Portland International Airport, which is 10 kilometers from Portland.

Based on weather reports collected during 1992–2021.

All Year Climate & Weather Averages in Portland

High Temp: 28 °C

Low Temp: 2 °C

Mean Temp: 13 °C

Precipitation: 79.4 mm

Humidity: 71%

Dew Point: 7 °C

Wind: 18 km/h

Pressure: 1018 mbar

Visibility: 16 km

一月 Climate & Weather Averages in Portland

High Temp: 8 °C

Low Temp: 3 °C

Mean Temp: 5 °C

Precipitation: 132.1 mm

Humidity: 82%

Dew Point: 2 °C

Wind: 24 km/h

Pressure: 1020 mbar

Visibility: 14 km

二月 Climate & Weather Averages in Portland

High Temp: 10 °C

Low Temp: 3 °C

Mean Temp: 7 °C

Precipitation: 97.1 mm

Humidity: 77%

Dew Point: 2 °C

Wind: 21 km/h

Pressure: 1019 mbar

Visibility: 15 km

三月 Climate & Weather Averages in Portland

High Temp: 13 °C

Low Temp: 4 °C

Mean Temp: 9 °C

Precipitation: 99.1 mm

Humidity: 73%

Dew Point: 4 °C

Wind: 18 km/h

Pressure: 1018 mbar

Visibility: 16 km

四月 Climate & Weather Averages in Portland

High Temp: 16 °C

Low Temp: 6 °C

Mean Temp: 11 °C

Precipitation: 71.0 mm

Humidity: 69%

Dew Point: 5 °C

Wind: 16 km/h

Pressure: 1018 mbar

Visibility: 17 km

五月 Climate & Weather Averages in Portland

High Temp: 20 °C

Low Temp: 10 °C

Mean Temp: 15 °C

Precipitation: 62.3 mm

Humidity: 65%

Dew Point: 8 °C

Wind: 15 km/h

Pressure: 1017 mbar

Visibility: 17 km

六月 Climate & Weather Averages in Portland

High Temp: 23 °C

Low Temp: 12 °C

Mean Temp: 18 °C

Precipitation: 41.4 mm

Humidity: 63%

Dew Point: 10 °C

Wind: 16 km/h

Pressure: 1017 mbar

Visibility: 17 km

七月 Climate & Weather Averages in Portland

High Temp: 27 °C

Low Temp: 15 °C

Mean Temp: 21 °C

Precipitation: 13.4 mm

Humidity: 58%

Dew Point: 12 °C

Wind: 18 km/h

Pressure: 1017 mbar

Visibility: 17 km

八月 Climate & Weather Averages in Portland

High Temp: 28 °C

Low Temp: 15 °C

Mean Temp: 21 °C

Precipitation: 13.9 mm

Humidity: 59%

Dew Point: 12 °C

Wind: 16 km/h

Pressure: 1016 mbar

Visibility: 17 km

九月 Climate & Weather Averages in Portland

High Temp: 24 °C

Low Temp: 12 °C

Mean Temp: 18 °C

Precipitation: 44.6 mm

Humidity: 65%

Dew Point: 11 °C

Wind: 14 km/h

Pressure: 1016 mbar

Visibility: 17 km

十月 Climate & Weather Averages in Portland

High Temp: 18 °C

Low Temp: 8 °C

Mean Temp: 13 °C

Precipitation: 89.7 mm

Humidity: 76%

Dew Point: 8 °C

Wind: 14 km/h

Pressure: 1019 mbar

Visibility: 15 km

十一月 Climate & Weather Averages in Portland

High Temp: 12 °C

Low Temp: 5 °C

Mean Temp: 8 °C

Precipitation: 139.1 mm

Humidity: 82%

Dew Point: 5 °C

Wind: 19 km/h

Pressure: 1019 mbar

Visibility: 14 km

十二月 Climate & Weather Averages in Portland

High Temp: 8 °C

Low Temp: 2 °C

Mean Temp: 5 °C

Precipitation: 149.7 mm

Humidity: 83%

Dew Point: 2 °C

Wind: 23 km/h

Pressure: 1020 mbar

Visibility: 14 km

Quick Climate Info

Hottest Month八月 (21 °C avg)
Coldest Month十二月 (5 °C avg)
Wettest Month十二月 (149.7 mm avg)
Windiest Month一月 (24 km/h avg)
Annual precip.953.3 mm (per year)

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