Hamblen County, Tennessee · Frost dates
Hamblen County frost dates.
First-frost, last-frost, and growing-season length for Hamblen County, Tennessee. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7a
32°F — light freeze
Last spring frost
- 10%
- 04-26
- 20%
- 04-20
- 50%
- 04-10
- 80%
- 03-30
- 90%
- 03-25
First fall frost
- 10%
- 10-16
- 20%
- 10-20
- 50%
- 10-28
- 80%
- 11-05
- 90%
- 11-09
28°F — killing freeze
Last spring freeze
- 10%
- 04-14
- 20%
- 04-08
- 50%
- 03-29
- 80%
- 03-17
- 90%
- 03-11
First fall freeze
- 10%
- 10-26
- 20%
- 10-31
- 50%
- 11-06
- 80%
- 11-16
- 90%
- 11-22
Growing season length (days, 28°F threshold)
- Short year
- 195
- Median
- 222
- Long year
- 256
Source NOAA station
MORRISTOWN RADIO WCRK, TN US
3.8 mi · 30 yrs of record (1991–2020) · 1344 ft elev.
Data from MORRISTOWN RADIO WCRK, TN US, 3.8 miles away with 30-year NOAA record (1991-2020).
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