Anderson County, Tennessee · Frost dates
Anderson County frost dates.
First-frost, last-frost, and growing-season length for Anderson County, Tennessee. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7a
32°F — light freeze
Last spring frost
- 10%
- 04-15
- 20%
- 04-09
- 50%
- 03-31
- 80%
- 03-18
- 90%
- 03-11
First fall frost
- 10%
- 10-22
- 20%
- 10-27
- 50%
- 11-04
- 80%
- 11-13
- 90%
- 11-18
28°F — killing freeze
Last spring freeze
- 10%
- 04-03
- 20%
- 03-30
- 50%
- 03-18
- 80%
- 03-04
- 90%
- 02-26
First fall freeze
- 10%
- 11-01
- 20%
- 11-05
- 50%
- 11-15
- 80%
- 11-29
- 90%
- 12-04
Growing season length (days, 28°F threshold)
- Short year
- 212
- Median
- 242
- Long year
- 281
Source NOAA station
OAK RIDGE ASOS, TN US
6.9 mi · 30 yrs of record (1991–2020) · 910 ft elev.
Data from OAK RIDGE ASOS, TN US, 6.9 miles away with 30-year NOAA record (1991-2020).
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