Grays Harbor County, Washington · Frost dates
Grays Harbor County frost dates.
First-frost, last-frost, and growing-season length for Grays Harbor County, Washington. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8b
32°F — light freeze
Last spring frost
- 10%
- 04-20
- 20%
- 04-12
- 50%
- 03-29
- 80%
- 03-06
- 90%
- 02-25
First fall frost
- 10%
- 10-27
- 20%
- 11-01
- 50%
- 11-15
- 80%
- 12-01
- 90%
- 12-10
28°F — killing freeze
Last spring freeze
- 10%
- 03-20
- 20%
- 03-07
- 50%
- 02-18
- 80%
- 01-16
- 90%
- 12-27
First fall freeze
- 10%
- 11-11
- 20%
- 11-21
- 50%
- 12-06
- 80%
- 01-02
- 90%
- 01-26
Growing season length (days, 28°F threshold)
- Short year
- 236
- Median
- 291
- Long year
- 395
Source NOAA station
ABERDEEN, WA US
10.2 mi · 30 yrs of record (1991–2020) · 10 ft elev.
Data from ABERDEEN, WA US, 10.2 miles away with 30-year NOAA record (1991-2020).
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