Macon County, Tennessee · Frost dates
Macon County frost dates.
First-frost, last-frost, and growing-season length for Macon County, Tennessee. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7a
32°F — light freeze
Last spring frost
- 10%
- 04-21
- 20%
- 04-14
- 50%
- 04-03
- 80%
- 03-24
- 90%
- 03-18
First fall frost
- 10%
- 10-20
- 20%
- 10-24
- 50%
- 11-01
- 80%
- 11-10
- 90%
- 11-16
28°F — killing freeze
Last spring freeze
- 10%
- 04-07
- 20%
- 04-02
- 50%
- 03-23
- 80%
- 03-12
- 90%
- 03-05
First fall freeze
- 10%
- 10-30
- 20%
- 11-02
- 50%
- 11-11
- 80%
- 11-25
- 90%
- 12-01
Growing season length (days, 28°F threshold)
- Short year
- 206
- Median
- 233
- Long year
- 271
Source NOAA station
LAFAYETTE, TN US
2.1 mi · 30 yrs of record (1991–2020) · 975 ft elev.
Data from LAFAYETTE, TN US, 2.1 miles away with 30-year NOAA record (1991-2020).
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