Skamania County, Washington · Frost dates
Skamania County frost dates.
First-frost, last-frost, and growing-season length for Skamania County, Washington. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8b
32°F — light freeze
Last spring frost
- 10%
- 05-20
- 20%
- 05-13
- 50%
- 05-02
- 80%
- 04-23
- 90%
- 04-15
First fall frost
- 10%
- 09-22
- 20%
- 09-28
- 50%
- 10-09
- 80%
- 10-24
- 90%
- 11-01
28°F — killing freeze
Last spring freeze
- 10%
- 05-01
- 20%
- 04-25
- 50%
- 04-07
- 80%
- 03-21
- 90%
- 03-12
First fall freeze
- 10%
- 10-07
- 20%
- 10-16
- 50%
- 10-30
- 80%
- 11-13
- 90%
- 11-23
Growing season length (days, 28°F threshold)
- Short year
- 159
- Median
- 206
- Long year
- 256
Source NOAA station
CARSON FISH HATCHERY, WA US
10.9 mi · 30 yrs of record (1991–2020) · 1134 ft elev.
Data from CARSON FISH HATCHERY, WA US, 10.9 miles away with 30-year NOAA record (1991-2020).
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