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What is the weather like in Portland, OregonPortland, Oregon monthly and yearly climate averages.

Portland, Oregon Climate Averages

Monthly and yearly weather averages for Portland, OregonWeather almanac for Portland, OR. Portland monthly weather averages.
Lat: 45.52N, Lon: 122.67W  Web Search

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Portland Monthly Averages

12 Month Weather Scroll   °F Click to change Portland weather to Imperial units.Click to change Portland weather to Metric units. °C
January
February
March
April
May
June
July
August
September
October
November
December
Hi 46°F Lo 35°F Hi 47°F Lo 35°F Hi 52°F Lo 37°F Hi 58°F Lo 40°F Hi 66°F Lo 44°F Hi 72°F Lo 48°F Hi 80°F Lo 52°F Hi 81°F Lo 54°F Hi 74°F Lo 52°F Hi 62°F Lo 46°F Hi 51°F Lo 39°F Hi 44°F Lo 35°F
7 mph 6 mph 6 mph 5 mph 4 mph 4 mph 4 mph 4 mph 4 mph 5 mph 6 mph 6 mph
11 in 8.5 in 9.1 in 6.4 in 4 in 3.3 in 0.6 in 0.8 in 3.7 in 8.5 in 9.2 in 10.9 in
82% 83% 80% 76% 72% 70% 64% 63% 67% 73% 80% 82%
56% 58% 55% 51% 45% 40% 24% 23% 31% 40% 52% 54%
30.1 in 30.1 in 30.0 in 30.1 in 30.0 in 30.0 in 30.0 in 30.0 in 30.0 in 30.1 in 30.1 in 30.1 in
10 7 8 9 13 15 24 23 18 14 9 10
19 19 21 19 15 13 5 6 10 16 20 19
2 4 2 1 0 0 0 0 0 0 1 1
4 3 2 4 8 9 9 8 4 3 3 3
2 2 3 3 4 6 6 5 4 3 2 2
229 201 239 256 286 297 346 348 312 293 238 232
January
February
March
April
May
June
July
August
September
October
November
December
Hi 8°C Lo 2°C Hi 8°C Lo 2°C Hi 11°C Lo 3°C Hi 14°C Lo 4°C Hi 19°C Lo 7°C Hi 22°C Lo 9°C Hi 27°C Lo 11°C Hi 27°C Lo 12°C Hi 23°C Lo 11°C Hi 17°C Lo 8°C Hi 10°C Lo 4°C Hi 7°C Lo 1°C
11 km/h 10 km/h 9 km/h 8 km/h 7 km/h 6 km/h 6 km/h 6 km/h 6 km/h 8 km/h 9 km/h 10 km/h
279 mm 215 mm 231 mm 162 mm 101 mm 84 mm 14 mm 20 mm 95 mm 215 mm 234 mm 276 mm
82% 83% 80% 76% 72% 70% 64% 63% 67% 73% 80% 82%
56% 58% 55% 51% 45% 40% 24% 23% 31% 40% 52% 54%
1020 mb 1019 mb 1017 mb 1018 mb 1017 mb 1016 mb 1017 mb 1016 mb 1016 mb 1018 mb 1018 mb 1020 mb
10 7 8 9 13 15 24 23 18 14 9 10
19 19 21 19 15 13 5 6 10 16 20 19
2 4 2 1 0 0 0 0 0 0 1 1
4 3 2 4 8 9 9 8 4 3 3 3
2 2 3 3 4 6 6 5 4 3 2 2
229 201 239 256 286 297 346 348 312 293 238 232
Month
Avg. Temperatures
Avg. Wind Speed
Avg. Precipitation
Average Humidity
Avg. Cloud Cover
Barometric Pressure
Average Dry Days
Avg. Precip. Days
Average Snow Days
Average Fog Days
Average UV Index
Avg. Hours of Sun
Averages are based on historical weather data from the past 10 years.

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