Hawaii County, Hawaii · Frost dates
Hawaii County frost dates.
First-frost, last-frost, and growing-season length for Hawaii County, Hawaii. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 11a
32°F — light freeze
Last spring frost
- 10%
- 05-18
- 20%
- 05-04
- 50%
- 04-12
- 80%
- 03-23
- 90%
- 03-13
First fall frost
- 10%
- 11-09
- 20%
- 11-16
- 50%
- 12-01
- 80%
- 12-25
- 90%
- 01-07
28°F — killing freeze
Last spring freeze
- 10%
- 03-13
- 20%
- 03-04
- 50%
- 02-13
- 80%
- 01-30
- 90%
- 01-15
First fall freeze
- 10%
- 12-17
- 20%
- 12-29
- 50%
- 01-22
- 80%
- 02-13
- 90%
- 02-23
Growing season length (days, 28°F threshold)
- Short year
- 279
- Median
- 343
- Long year
- 404
Source NOAA station
MAUNA LOA 5 NNE, HI US
6.5 mi · 30 yrs of record (1991–2020) · 11179 ft elev.
Data from MAUNA LOA 5 NNE, HI US, 6.5 miles away with 30-year NOAA record (1991-2020).
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