Kodiak Island Borough, Alaska · Frost dates
Kodiak Island Borough frost dates.
First-frost, last-frost, and growing-season length for Kodiak Island Borough, Alaska. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: low · USDA zone: 4a
32°F — light freeze
Last spring frost
- 10%
- 05-21
- 20%
- 05-16
- 50%
- 05-05
- 80%
- 04-25
- 90%
- 04-19
First fall frost
- 10%
- 09-22
- 20%
- 09-26
- 50%
- 10-03
- 80%
- 10-12
- 90%
- 10-17
28°F — killing freeze
Last spring freeze
- 10%
- 05-03
- 20%
- 04-28
- 50%
- 04-18
- 80%
- 04-08
- 90%
- 04-04
First fall freeze
- 10%
- 10-01
- 20%
- 10-05
- 50%
- 10-17
- 80%
- 10-30
- 90%
- 11-05
Growing season length (days, 28°F threshold)
- Short year
- 151
- Median
- 182
- Long year
- 215
Source NOAA station
KODIAK AP, AK US
53.0 mi · 30 yrs of record (1991–2020) · 80 ft elev.
No NOAA station within 50 miles meets the long-record threshold. Estimated from KODIAK AP, AK US, 53 miles away. Consult your state extension service for local frost dates.
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