Yamhill County, Oregon · Frost dates
Yamhill County frost dates.
First-frost, last-frost, and growing-season length for Yamhill County, Oregon. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8b
32°F — light freeze
Last spring frost
- 10%
- 04-27
- 20%
- 04-19
- 50%
- 04-05
- 80%
- 03-17
- 90%
- 03-05
First fall frost
- 10%
- 10-20
- 20%
- 10-26
- 50%
- 11-07
- 80%
- 11-22
- 90%
- 12-01
28°F — killing freeze
Last spring freeze
- 10%
- 03-20
- 20%
- 03-10
- 50%
- 02-20
- 80%
- 01-23
- 90%
- 01-03
First fall freeze
- 10%
- 11-05
- 20%
- 11-13
- 50%
- 11-28
- 80%
- 12-19
- 90%
- 01-02
Growing season length (days, 28°F threshold)
- Short year
- 230
- Median
- 281
- Long year
- 364
Source NOAA station
MC MINNVILLE, OR US
7.7 mi · 30 yrs of record (1991–2020) · 155 ft elev.
Data from MC MINNVILLE, OR US, 7.7 miles away with 30-year NOAA record (1991-2020).
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