Skagit County, Washington · Frost dates
Skagit County frost dates.
First-frost, last-frost, and growing-season length for Skagit County, Washington. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8b
32°F — light freeze
Last spring frost
- 10%
- 04-19
- 20%
- 04-10
- 50%
- 03-28
- 80%
- 03-13
- 90%
- 03-07
First fall frost
- 10%
- 10-23
- 20%
- 10-31
- 50%
- 11-14
- 80%
- 11-27
- 90%
- 12-04
28°F — killing freeze
Last spring freeze
- 10%
- 03-20
- 20%
- 03-11
- 50%
- 02-25
- 80%
- 02-04
- 90%
- 01-19
First fall freeze
- 10%
- 11-10
- 20%
- 11-16
- 50%
- 12-02
- 80%
- 12-21
- 90%
- 01-03
Growing season length (days, 28°F threshold)
- Short year
- 235
- Median
- 280
- Long year
- 349
Source NOAA station
CONCRETE PPL FISH STN, WA US
4.6 mi · 30 yrs of record (1991–2020) · 195 ft elev.
Data from CONCRETE PPL FISH STN, WA US, 4.6 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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