Johnson County, Tennessee · Frost dates
Johnson County frost dates.
First-frost, last-frost, and growing-season length for Johnson County, Tennessee. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7a
32°F — light freeze
Last spring frost
- 10%
- 05-15
- 20%
- 05-08
- 50%
- 04-27
- 80%
- 04-17
- 90%
- 04-12
First fall frost
- 10%
- 10-03
- 20%
- 10-06
- 50%
- 10-14
- 80%
- 10-24
- 90%
- 10-30
28°F — killing freeze
Last spring freeze
- 10%
- 04-28
- 20%
- 04-22
- 50%
- 04-12
- 80%
- 04-02
- 90%
- 03-29
First fall freeze
- 10%
- 10-10
- 20%
- 10-15
- 50%
- 10-24
- 80%
- 11-02
- 90%
- 11-06
Growing season length (days, 28°F threshold)
- Short year
- 165
- Median
- 195
- Long year
- 222
Source NOAA station
MTN CITY 2, TN US
3.5 mi · 30 yrs of record (1991–2020) · 2419 ft elev.
Data from MTN CITY 2, TN US, 3.5 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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