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Climate & Weather Averages in City of Happy Valley, Oregon, USA

Currently: 67 °F. Passing clouds. (Weather station: Portland International Airport, USA). See more current weather

Annual Weather Averages Near City of Happy Valley

Averages are for Portland International Airport, which is 11 miles from City of Happy Valley.

Based on weather reports collected during 1992–2021.

Jan
47
37
5.2
Feb
51
37
3.82
Mar
56
40
3.9
Apr
61
44
2.79
May
69
50
2.45
Jun
74
54
1.63
Jul
81
58
0.53
Aug
82
59
0.55
Sep
76
54
1.76
Oct
64
47
3.53
Nov
53
41
5.48
Dec
46
36
5.89

All Year Climate & Weather Averages in City of Happy Valley

High Temp: 82 °F

Low Temp: 36 °F

Mean Temp: 55 °F

Precipitation: 3.13"

Humidity: 71%

Dew Point: 45 °F

Wind: 11 mph

Pressure: 30.07 "Hg

Visibility: 10 mi

January Climate & Weather Averages in City of Happy Valley

High Temp: 47 °F

Low Temp: 37 °F

Mean Temp: 42 °F

Precipitation: 5.20"

Humidity: 82%

Dew Point: 36 °F

Wind: 15 mph

Pressure: 30.11 "Hg

Visibility: 9 mi

February Climate & Weather Averages in City of Happy Valley

High Temp: 51 °F

Low Temp: 37 °F

Mean Temp: 44 °F

Precipitation: 3.82"

Humidity: 77%

Dew Point: 36 °F

Wind: 13 mph

Pressure: 30.10 "Hg

Visibility: 10 mi

March Climate & Weather Averages in City of Happy Valley

High Temp: 56 °F

Low Temp: 40 °F

Mean Temp: 48 °F

Precipitation: 3.90"

Humidity: 73%

Dew Point: 39 °F

Wind: 11 mph

Pressure: 30.07 "Hg

Visibility: 10 mi

April Climate & Weather Averages in City of Happy Valley

High Temp: 61 °F

Low Temp: 44 °F

Mean Temp: 52 °F

Precipitation: 2.79"

Humidity: 69%

Dew Point: 42 °F

Wind: 10 mph

Pressure: 30.07 "Hg

Visibility: 10 mi

May Climate & Weather Averages in City of Happy Valley

High Temp: 69 °F

Low Temp: 50 °F

Mean Temp: 59 °F

Precipitation: 2.45"

Humidity: 65%

Dew Point: 46 °F

Wind: 9 mph

Pressure: 30.04 "Hg

Visibility: 11 mi

June Climate & Weather Averages in City of Happy Valley

High Temp: 74 °F

Low Temp: 54 °F

Mean Temp: 64 °F

Precipitation: 1.63"

Humidity: 63%

Dew Point: 50 °F

Wind: 10 mph

Pressure: 30.04 "Hg

Visibility: 11 mi

July Climate & Weather Averages in City of Happy Valley

High Temp: 81 °F

Low Temp: 58 °F

Mean Temp: 70 °F

Precipitation: 0.53"

Humidity: 58%

Dew Point: 54 °F

Wind: 11 mph

Pressure: 30.04 "Hg

Visibility: 11 mi

August Climate & Weather Averages in City of Happy Valley

High Temp: 82 °F

Low Temp: 59 °F

Mean Temp: 70 °F

Precipitation: 0.55"

Humidity: 59%

Dew Point: 54 °F

Wind: 10 mph

Pressure: 30.01 "Hg

Visibility: 11 mi

September Climate & Weather Averages in City of Happy Valley

High Temp: 76 °F

Low Temp: 54 °F

Mean Temp: 65 °F

Precipitation: 1.76"

Humidity: 65%

Dew Point: 52 °F

Wind: 9 mph

Pressure: 30.02 "Hg

Visibility: 10 mi

October Climate & Weather Averages in City of Happy Valley

High Temp: 64 °F

Low Temp: 47 °F

Mean Temp: 55 °F

Precipitation: 3.53"

Humidity: 76%

Dew Point: 47 °F

Wind: 9 mph

Pressure: 30.08 "Hg

Visibility: 9 mi

November Climate & Weather Averages in City of Happy Valley

High Temp: 53 °F

Low Temp: 41 °F

Mean Temp: 47 °F

Precipitation: 5.48"

Humidity: 82%

Dew Point: 41 °F

Wind: 12 mph

Pressure: 30.10 "Hg

Visibility: 9 mi

December Climate & Weather Averages in City of Happy Valley

High Temp: 46 °F

Low Temp: 36 °F

Mean Temp: 41 °F

Precipitation: 5.89"

Humidity: 83%

Dew Point: 36 °F

Wind: 14 mph

Pressure: 30.13 "Hg

Visibility: 9 mi

Quick Climate Info

Hottest MonthAugust (70 °F avg)
Coldest MonthDecember (41 °F avg)
Wettest MonthDecember (5.89" avg)
Windiest MonthJanuary (15 mph avg)
Annual precip.37.53" (per year)

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