Willamette valley facts & figures
Location matters
WVWA is proud to be a member of the Declaration to Protect Wine Place & Origin.
Total Geographic Area
Between Oregon’s Cascade Mountains and the Coast Range, more than 100 miles long and spanning 60 miles at its widest point. 3,438,000 acres.
Major cities & populations
Portland: 639,863
Salem: 161,637
Eugene: 160,561
Corvallis: 54,953
McMinnville: 33,393
Newberg: 22,692
Distance to the Pacific Ocean
50 miles (McMinnville to Lincoln City)
Total number of:
Vineyard acres planted: 25,452
Vineyards: 877
Wineries: 676
First Pinot noir planting
David Lett, 1965
Major soils
Marine Sedimentary: Willakenzie
Volcanic (Basalt): Jory, Nekia
Windblown Loess (Silts): Laurelwood
Willamette Valley % of Oregon production
68% of planted vineyard acreage
70% of wine production
83% of Pinot noir production
REGION 1 cool climate
Typical Summer/Winter Temperature
June-August high/low: 78.3/52.2ºF
December-February high/low: 47.6/35.1ºF
Typical Monthly Rainfall
June-August rainfall: 1.02″
December-February rainfall: 6.4″
Typical Annual Rainfall
Portland: 39 inches
McMinnville (wine country): 29 inches
Typical Rainfall
June-September total: 3.27″ (0.8″ per month)
Typical Growing Season Weather (McMinnville)
Typical Temperature
June-September high/low: 79/50ºF
June-September days > 80ºF: 60
June-September days > 90ºF: 18
Typical Heat Accumulation
April-October: 2,285 degree-days
Data from the 2019 Oregon Vineyard & Winery Census Report, University of Oregon
farming for quality
vine density | low | medium | high |
---|---|---|---|
vine spacing | 6′ x 12′ | 5′ x 7′ | 3′ x 6′ |
vines per acre | 605 | 1,245 | 2,420 |
row-feet per acre | 3,630 | 6,223 | 7,260 |
tons per acre | 2.0 | 2.5 | 2.8 |
gallons per ton | 150 | 150 | 150 |
gallons per barrel | 60 | 60 | 60 |
barrels per ton | 2.5 | 2.5 | 2.5 |
gallons per case | 2.38 | 2.38 | 2.38 |
cases per barrel | 25 | 25 | 25 |
cases per ton | 63 | 63 | 63 |
cases per acre | 126 | 158 | 176 |
bottles per acre | 1,513 | 1,891 | 2,118 |
bottles per barrel | 300 | 300 | 300 |
bottles per vine | 2.5 | 1.5 | .9 |
pounds per vine | 6.6 | 4.0 | 2.3 |
pounds per cluster | .2 | .2 | .2 |
clusters per vine | 33 | 20 | 12 |
clusters per bottle | 13 | 13 | 13 |