Nassau County, Florida · Frost dates
Nassau County frost dates.
First-frost, last-frost, and growing-season length for Nassau County, Florida. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 10a
32°F — light freeze
Last spring frost
- 10%
- 03-19
- 20%
- 03-12
- 50%
- 02-25
- 80%
- 02-04
- 90%
- 01-22
First fall frost
- 10%
- 11-17
- 20%
- 11-23
- 50%
- 12-07
- 80%
- 01-01
- 90%
- 01-10
28°F — killing freeze
Last spring freeze
- 10%
- 03-04
- 20%
- 02-26
- 50%
- 02-04
- 80%
- 01-15
- 90%
- 01-04
First fall freeze
- 10%
- 11-29
- 20%
- 12-05
- 50%
- 01-02
- 80%
- 01-20
- 90%
- 02-03
Growing season length (days, 28°F threshold)
- Short year
- 270
- Median
- 332
- Long year
- 395
Source NOAA station
JACKSONVILLE, FL US
9.2 mi · 30 yrs of record (1991–2020) · 33 ft elev.
Data from JACKSONVILLE, FL US, 9.2 miles away with 30-year NOAA record (1991-2020).
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