McMinn County, Tennessee · Frost dates
McMinn County frost dates.
First-frost, last-frost, and growing-season length for McMinn County, Tennessee. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7a
32°F — light freeze
Last spring frost
- 10%
- 04-24
- 20%
- 04-18
- 50%
- 04-06
- 80%
- 03-27
- 90%
- 03-20
First fall frost
- 10%
- 10-20
- 20%
- 10-24
- 50%
- 10-31
- 80%
- 11-08
- 90%
- 11-13
28°F — killing freeze
Last spring freeze
- 10%
- 04-10
- 20%
- 04-06
- 50%
- 03-27
- 80%
- 03-13
- 90%
- 03-06
First fall freeze
- 10%
- 10-30
- 20%
- 11-01
- 50%
- 11-10
- 80%
- 11-22
- 90%
- 11-29
Growing season length (days, 28°F threshold)
- Short year
- 203
- Median
- 228
- Long year
- 268
Source NOAA station
ATHENS, TN US
2.1 mi · 30 yrs of record (1991–2020) · 940 ft elev.
Data from ATHENS, TN US, 2.1 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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