Average Temperatures for Oregon in July





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

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

The tables give the normals for maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Oregon Coast

Average July temperatures
High °F Low °F Place High °C Low °C
67 54 Astoria 20 12
67 53 Brookings 19 12
68 53 Gold Beach 20 12
67 51 Honeyman State Park 19 10
64 51 Newport 18 11
66 54 North Bend 19 12
68 54 Port Orford 20 12
65 53 Seaside 18 12
68 50 Tillamook 20 10

Willamette Valley

Average daily temperatures in July
High °F Low °F Place High °C Low °C
83 52 Corvallis 28 11
84 52 Eugene 29 11
85 55 Lebanon 29 13
82 57 Portland 28 14
84 55 Salem 29 13

Cascade Mountains

July temperatures: daily averages
High °F Low °F Place High °C Low °C
69 41 Crater Lake Park 21 5
80 56 Detroit Lake Dam 27 13
69 48 Government Camp 21 9
91 56 Grants Pass 33 14
79 47 Howard Prairie Lake Dam 26 8
86 48 Klamath Falls 30 9
86 51 Lakeview 30 11
86 51 McKenzie Bridge 30 10
92 59 Medford 33 15
88 57 Roseburg 31 14
78 53 Three Lynx 26 11
86 52 Toketee Falls 30 11
83 47 Wickiup Reservoir Dam 28 9

Central Oregon

Average July temperatures
High °F Low °F Place High °C Low °C
84 49 Bend 29 9
82 56 Hood River 28 13
86 45 Madras 30 7
88 58 The Dalles 31 15

Eastern Oregon

Average July temperatures
High °F Low °F Place High °C Low °C
83 47 Hart Mountain Antelope Refuge 28 8
87 55 Heppner 30 13
86 55 La Grande 30 13
95 55 Lake Owyhee Dam 35 13
85 51 Malheur National Wildlife Refuge 29 10
93 60 Ontario 34 16
90 56 Pendleton 32 13
82 39 Seneca 28 4
90 49 Summer Lake 32 9
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Oregon Temperatures
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