Average Precipitation for Oregon in March





The tables below give monthly averages for rainfall plus snowfall during March at cities, towns and lakes in Oregon.

Each place has a total for the amount of precipitation it usually receives this month. There is also a count of the number of days with wet weather, when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The precipitation totals are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.

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 March
Days Place Inches Milli­metres
22 Astoria 7.9 201
17 Brookings 10.0 253
19 Gold Beach 10.3 262
21 Newport 6.8 173
19 North Bend 7.5 190
20 Port Orford 9.3 237
21 Seaside 9.4 239
22 Tillamook 10.1 255

Willamette Valley

March averages for total rainfall plus snowfall
Days Place Inches Milli­metres
20 Corvallis 5.0 126
18 Eugene 4.6 118
19 Portland 4.7 118
18 Salem 4.4 110

Cascade Mountains

Average amount of rain and snow in March
Days Place Inches Milli­metres
18 Crater Lake Park 7.8 198
21 Detroit Lake Dam 10.7 272
20 Government Camp 9.4 239
16 Grants Pass 3.7 93
16 Howard Prairie Lake Dam 3.7 93
11 Klamath Falls 1.0 26
11 Lakeview 1.4 35
13 Medford 1.8 46
17 Roseburg 3.8 96
21 Three Lynx 8.0 203
18 Toketee Falls 5.4 138
12 Wickiup Reservoir Dam 1.7 44

Central Oregon

Precipitation totals for March
Days Place Inches Milli­metres
6 Bend 0.7 18
15 Hood River 3.2 81
7 Madras 0.7 18
10 The Dalles 1.3 32

Eastern Oregon

Total precipitation during March
Days Place Inches Milli­metres
12 Heppner 1.4 35
10 La Grande 1.7 44
8 Lake Owyhee Dam 0.8 20
8 Ontario 1.0 25
12 Pendleton 1.3 34
11 Seneca 1.2 31
12 Summer Lake 1.2 30
Reference

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

Oregon Precipitation
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