Yakutat City and Borough, Alaska · Frost dates
Yakutat City and Borough frost dates.
First-frost, last-frost, and growing-season length for Yakutat City and Borough, Alaska. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: moderate · USDA zone: 4a
32°F — light freeze
Last spring frost
- 10%
- 05-29
- 20%
- 05-24
- 50%
- 05-13
- 80%
- 05-03
- 90%
- 04-29
First fall frost
- 10%
- 09-13
- 20%
- 09-17
- 50%
- 09-26
- 80%
- 10-05
- 90%
- 10-13
28°F — killing freeze
Last spring freeze
- 10%
- 05-13
- 20%
- 05-07
- 50%
- 04-28
- 80%
- 04-16
- 90%
- 04-11
First fall freeze
- 10%
- 09-23
- 20%
- 09-30
- 50%
- 10-12
- 80%
- 10-26
- 90%
- 11-01
Growing season length (days, 28°F threshold)
- Short year
- 133
- Median
- 167
- Long year
- 204
Source NOAA station
YAKUTAT 3 SSE, AK US
43.4 mi · 30 yrs of record (1991–2020) · 26 ft elev.
Nearest qualifying NOAA station is YAKUTAT 3 SSE, AK US, 43.4 miles away. Local frost dates may vary by 1–2 weeks from these averages.
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