Average Temperatures for Oregon in July

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Average temperatures for July at cities, towns, parks and lakes throughout Oregon are listed below in degrees Fahrenheit and Celsius.

The tables give the normals for maximum and minimum monthly temperatures based on weather data collected from 1981 to 2010.

You can jump to a separate table for each region of the state: Oregon Coast, Willamette Valley, Cascade Mountains, Central Oregon and Eastern Oregon.

Oregon Coast

Average July temperatures
High °F Low °F Place High °C Low °C
67 53 Astoria 20 12
68 52 Brookings 20 11
68 52 Gold Beach 20 11
66 51 Honeyman State Park 19 10
65 52 Newport 18 11
65 53 North Bend 18 12
67 53 Port Orford 19 12
64 52 Seaside 18 11
68 50 Tillamook 20 10

Willamette Valley

Average daily temperatures in July
High °F Low °F Place High °C Low °C
82 52 Corvallis 28 11
82 51 Eugene 28 11
81 56 Portland 27 13
82 53 Salem 28 12

Cascade Mountains

July temperatures: daily averages
High °F Low °F Place High °C Low °C
69 41 Crater Lake Park 20   5
80 53 Detroit Lake Dam 26 11
68 46 Government Camp 20   8
80 47 Howard Prairie Lake Dam 27   8
89 54 Klamath Falls 32 12
85 51 Lakeview 29 10
87 51 McKenzie Bridge 30 10
91 57 Medford 33 14
78 51 Three Lynx 25 11
84 51 Toketee Falls 29 11
82 46 Wickiup Reservoir Dam 28   8

Central Oregon

Average July temperatures
High °F Low °F Place High °C Low °C
82 48 Bend 28   9
82 55 Hood River 28 13
85 47 Madras 30   8
88 58 The Dalles 31 14

Eastern Oregon

Average July temperatures
High °F Low °F Place High °C Low °C
83 44 Hart Mountain Antelope Refuge 28   7
86 54 Heppner 30 12
85 54 La Grande 30 12
93 53 Lake Owyhee Dam 34 12
84 50 Malheur Wildlife Refuge 29 10
94 58 Ontario 34 15
88 57 Pendleton 31 14
81 39 Seneca 27   4
88 52 Summer Lake 31 11
88 54 Whitehorse Ranch 31 12
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

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