Obion County, Tennessee · Frost dates
Obion County frost dates.
First-frost, last-frost, and growing-season length for Obion County, Tennessee. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7a
32°F — light freeze
Last spring frost
- 10%
- 04-19
- 20%
- 04-14
- 50%
- 04-03
- 80%
- 03-24
- 90%
- 03-18
First fall frost
- 10%
- 10-17
- 20%
- 10-20
- 50%
- 10-29
- 80%
- 11-05
- 90%
- 11-10
28°F — killing freeze
Last spring freeze
- 10%
- 04-08
- 20%
- 04-03
- 50%
- 03-22
- 80%
- 03-11
- 90%
- 03-04
First fall freeze
- 10%
- 10-26
- 20%
- 10-30
- 50%
- 11-07
- 80%
- 11-18
- 90%
- 11-26
Growing season length (days, 28°F threshold)
- Short year
- 201
- Median
- 230
- Long year
- 267
Source NOAA station
UNION CITY, TN US
6.8 mi · 30 yrs of record (1991–2020) · 350 ft elev.
Data from UNION CITY, TN US, 6.8 miles away with 30-year NOAA record (1991-2020).
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