Average Rainfall for Oregon in July

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The tables below give monthly averages for rainfall during July at cities, towns and parks in Oregon.

Each place has a total for the amount of precipitation it usually receives this month. Most sites also have information on the number of days with wet weather. That includes the days when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The rainfall totals are averages based on weather data collected from 1981 to 2010 for the NOAA National Climatic Data Center.

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 monthly precipitation in July
Days Place Inches Millimetres
8 Astoria 1.0 26
3 Brookings 0.4 11
3 Gold Beach 0.4 10
4 Honeyman State Park 0.8 20
6 Newport 0.8 21
North Bend 0.5 13
3 Port Orford 0.5 14
8 Seaside 1.5 37
7 Tillamook 1.4 35

Willamette Valley

July averages for total rainfall
Days Place Inches Millimetres
3 Corvallis 0.5 12
3 Eugene 0.5 14
3 Portland 0.8 19
3 Salem 0.5 12

Cascade Mountains

Average amount of rain in July
Days Place Inches Millimetres
4 Crater Lake Park 1.0 26
5 Detroit Lake Dam 1.0 24
5 Government Camp 1.2 31
3 Howard Prairie Lake Dam 0.6 15
2 Klamath Falls 0.4 10
3 Lakeview 0.4   9
McKenzie Bridge 0.9 22
2 Medford 0.3   7
5 Three Lynx 0.9 24
3 Toketee Falls 0.9 22
4 Wickiup Reservoir Dam 0.7 18

Central Oregon

Precipitation totals for July
Days Place Inches Millimetres
3 Bend 0.6 14
2 Hood River 0.3   7
3 Madras 0.5 14
1 The Dalles 0.2   4

Eastern Oregon

Total precipitation during July
Days Place Inches Millimetres
Hart Mountain Antelope Refuge 0.5 11
3 Heppner 0.3   8
4 La Grande 0.7 17
3 Lake Owyhee Dam 0.4 11
2 Malheur Wildlife Refuge 0.4 10
2 Ontario 0.3   8
3 Pendleton 0.3   8
4 Seneca 0.6 15
4 Summer Lake 0.5 13
Reference

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

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