Jefferson County, Georgia · Frost dates
Jefferson County frost dates.
First-frost, last-frost, and growing-season length for Jefferson County, Georgia. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8a
32°F — light freeze
Last spring frost
- 10%
- 04-09
- 20%
- 04-04
- 50%
- 03-25
- 80%
- 03-13
- 90%
- 03-06
First fall frost
- 10%
- 10-25
- 20%
- 10-30
- 50%
- 11-07
- 80%
- 11-19
- 90%
- 11-26
28°F — killing freeze
Last spring freeze
- 10%
- 03-29
- 20%
- 03-25
- 50%
- 03-12
- 80%
- 02-26
- 90%
- 02-17
First fall freeze
- 10%
- 11-04
- 20%
- 11-08
- 50%
- 11-20
- 80%
- 12-05
- 90%
- 12-14
Growing season length (days, 28°F threshold)
- Short year
- 220
- Median
- 253
- Long year
- 300
Source NOAA station
LOUISVILLE 1 E, GA US
3.6 mi · 30 yrs of record (1991–2020) · 322 ft elev.
Data from LOUISVILLE 1 E, GA US, 3.6 miles away with 30-year NOAA record (1991-2020).
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