Ferry County, Washington · Frost dates
Ferry County frost dates.
First-frost, last-frost, and growing-season length for Ferry County, Washington. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8b
32°F — light freeze
Last spring frost
- 10%
- 06-17
- 20%
- 06-11
- 50%
- 05-30
- 80%
- 05-17
- 90%
- 05-11
First fall frost
- 10%
- 08-28
- 20%
- 09-02
- 50%
- 09-10
- 80%
- 09-20
- 90%
- 09-25
28°F — killing freeze
Last spring freeze
- 10%
- 05-28
- 20%
- 05-22
- 50%
- 05-12
- 80%
- 04-30
- 90%
- 04-27
First fall freeze
- 10%
- 09-11
- 20%
- 09-15
- 50%
- 09-24
- 80%
- 10-01
- 90%
- 10-05
Growing season length (days, 28°F threshold)
- Short year
- 106
- Median
- 135
- Long year
- 161
Source NOAA station
REPUBLIC, WA US
15.1 mi · 30 yrs of record (1991–2020) · 2555 ft elev.
Data from REPUBLIC, WA US, 15.1 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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