Average Precipitation for Oregon in October





The tables below give monthly averages for rainfall plus snowfall during October 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 precipitation 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 October
Days Place Inches Milli­metres
16 Astoria 6.0 152
10 Brookings 5.4 136
11 Gold Beach 4.9 125
12 Honeyman State Park 5.5 139
14 Newport 5.2 133
North Bend 4.7 120
11 Port Orford 4.9 125
14 Seaside 6.5 166
16 Tillamook 6.9 176

Willamette Valley

October averages for total rainfall plus snowfall
Days Place Inches Milli­metres
14 Corvallis 3.1 79
11 Eugene 3.3 83
14 Portland 3.5 88
12 Salem 3.0 77

Cascade Mountains

Average amount of rain and snow in October
Days Place Inches Milli­metres
10 Crater Lake Park 4.4 112
14 Detroit Lake Dam 6.9 176
14 Government Camp 7.2 182
7 Howard Prairie Lake Dam 1.9 48
5 Klamath Falls 0.8 21
6 Lakeview 0.9 24
McKenzie Bridge 5.3 135
7 Medford 1.1 29
14 Three Lynx 5.7 144
11 Toketee Falls 3.5 90
7 Wickiup Reservoir Dam 1.4 35

Central Oregon

Precipitation totals for October
Days Place Inches Milli­metres
4 Bend 0.6 15
11 Hood River 2.3 58
5 Madras 0.9 22
7 The Dalles 0.9 24

Eastern Oregon

Total precipitation during October
Days Place Inches Milli­metres
Hart Mountain Antelope Refuge 0.9 24
8 Heppner 1.1 29
8 La Grande 1.3 33
5 Lake Owyhee Dam 0.6 16
4 Malheur Wildlife Refuge 0.7 19
5 Ontario 0.6 16
7 Pendleton 1.0 26
7 Seneca 1.0 26
7 Summer Lake 0.9 22
Reference

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

Oregon Precipitation
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