Cobb County, Georgia · Frost dates
Cobb County frost dates.
First-frost, last-frost, and growing-season length for Cobb County, Georgia. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8a
32°F — light freeze
Last spring frost
- 10%
- 04-12
- 20%
- 04-07
- 50%
- 03-27
- 80%
- 03-16
- 90%
- 03-09
First fall frost
- 10%
- 10-27
- 20%
- 10-31
- 50%
- 11-07
- 80%
- 11-19
- 90%
- 11-26
28°F — killing freeze
Last spring freeze
- 10%
- 03-31
- 20%
- 03-26
- 50%
- 03-14
- 80%
- 02-28
- 90%
- 02-21
First fall freeze
- 10%
- 11-04
- 20%
- 11-08
- 50%
- 11-19
- 80%
- 12-03
- 90%
- 12-09
Growing season length (days, 28°F threshold)
- Short year
- 218
- Median
- 250
- Long year
- 291
Source NOAA station
MABLETON 1 N, GA US
6.0 mi · 30 yrs of record (1991–2020) · 980 ft elev.
Data from MABLETON 1 N, GA US, 6 miles away with 30-year NOAA record (1991-2020).
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