Douglas County, Oregon · Frost dates
Douglas County frost dates.
First-frost, last-frost, and growing-season length for Douglas County, Oregon. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8b
32°F — light freeze
Last spring frost
- 10%
- 04-26
- 20%
- 04-18
- 50%
- 03-31
- 80%
- 03-14
- 90%
- 03-05
First fall frost
- 10%
- 10-16
- 20%
- 10-23
- 50%
- 11-05
- 80%
- 11-24
- 90%
- 12-03
28°F — killing freeze
Last spring freeze
- 10%
- 03-31
- 20%
- 03-19
- 50%
- 02-26
- 80%
- 02-01
- 90%
- 01-11
First fall freeze
- 10%
- 10-29
- 20%
- 11-07
- 50%
- 12-01
- 80%
- 12-25
- 90%
- 01-10
Growing season length (days, 28°F threshold)
- Short year
- 212
- Median
- 278
- Long year
- 364
Source NOAA station
WINCHESTER, OR US
10.0 mi · 30 yrs of record (1991–2020) · 460 ft elev.
Data from WINCHESTER, OR US, 10 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
14-day free trial. No credit card. Cancel anytime.