Kitsap County, Washington · Frost dates
Kitsap County frost dates.
First-frost, last-frost, and growing-season length for Kitsap County, Washington. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8b
32°F — light freeze
Last spring frost
- 10%
- 04-24
- 20%
- 04-15
- 50%
- 03-29
- 80%
- 03-13
- 90%
- 03-05
First fall frost
- 10%
- 10-26
- 20%
- 11-02
- 50%
- 11-14
- 80%
- 11-25
- 90%
- 12-01
28°F — killing freeze
Last spring freeze
- 10%
- 03-27
- 20%
- 03-17
- 50%
- 02-27
- 80%
- 02-10
- 90%
- 01-24
First fall freeze
- 10%
- 11-10
- 20%
- 11-17
- 50%
- 11-30
- 80%
- 12-16
- 90%
- 12-24
Growing season length (days, 28°F threshold)
- Short year
- 228
- Median
- 276
- Long year
- 334
Source NOAA station
BREMERTON, WA US
5.1 mi · 30 yrs of record (1991–2020) · 110 ft elev.
Data from BREMERTON, WA US, 5.1 miles away with 30-year NOAA record (1991-2020).
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