Clallam County, Washington · Frost dates
Clallam County frost dates.
First-frost, last-frost, and growing-season length for Clallam County, Washington. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8b
32°F — light freeze
Last spring frost
- 10%
- 04-29
- 20%
- 04-22
- 50%
- 04-09
- 80%
- 03-27
- 90%
- 03-19
First fall frost
- 10%
- 10-19
- 20%
- 10-24
- 50%
- 11-03
- 80%
- 11-16
- 90%
- 11-23
28°F — killing freeze
Last spring freeze
- 10%
- 03-30
- 20%
- 03-23
- 50%
- 03-04
- 80%
- 02-16
- 90%
- 02-03
First fall freeze
- 10%
- 11-02
- 20%
- 11-09
- 50%
- 11-24
- 80%
- 12-10
- 90%
- 12-23
Growing season length (days, 28°F threshold)
- Short year
- 217
- Median
- 265
- Long year
- 323
Source NOAA station
ELWHA RS, WA US
15.3 mi · 30 yrs of record (1991–2020) · 360 ft elev.
Data from ELWHA RS, WA US, 15.3 miles away with 30-year NOAA record (1991-2020).
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