Decatur County, Tennessee · Frost dates
Decatur County frost dates.
First-frost, last-frost, and growing-season length for Decatur County, Tennessee. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7a
32°F — light freeze
Last spring frost
- 10%
- 04-20
- 20%
- 04-14
- 50%
- 04-05
- 80%
- 03-24
- 90%
- 03-17
First fall frost
- 10%
- 10-16
- 20%
- 10-21
- 50%
- 10-29
- 80%
- 11-07
- 90%
- 11-12
28°F — killing freeze
Last spring freeze
- 10%
- 04-08
- 20%
- 04-02
- 50%
- 03-20
- 80%
- 03-07
- 90%
- 02-28
First fall freeze
- 10%
- 10-25
- 20%
- 10-30
- 50%
- 11-08
- 80%
- 11-21
- 90%
- 11-27
Growing season length (days, 28°F threshold)
- Short year
- 200
- Median
- 233
- Long year
- 272
Source NOAA station
PARSONS WTP, TN US
0.7 mi · 30 yrs of record (1991–2020) · 410 ft elev.
Data from PARSONS WTP, TN US, 0.7 miles away with 30-year NOAA record (1991-2020).
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