Sussex County, Delaware · Frost dates
Sussex County frost dates.
First-frost, last-frost, and growing-season length for Sussex County, Delaware. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7a
32°F — light freeze
Last spring frost
- 10%
- 04-16
- 20%
- 04-13
- 50%
- 04-04
- 80%
- 03-27
- 90%
- 03-22
First fall frost
- 10%
- 10-23
- 20%
- 10-28
- 50%
- 11-06
- 80%
- 11-16
- 90%
- 11-22
28°F — killing freeze
Last spring freeze
- 10%
- 04-05
- 20%
- 04-01
- 50%
- 03-23
- 80%
- 03-11
- 90%
- 03-03
First fall freeze
- 10%
- 11-04
- 20%
- 11-08
- 50%
- 11-19
- 80%
- 12-01
- 90%
- 12-06
Growing season length (days, 28°F threshold)
- Short year
- 213
- Median
- 241
- Long year
- 278
Source NOAA station
GEORGETOWN SUSSEX CO AP, DE US
1.6 mi · 30 yrs of record (1991–2020) · 51 ft elev.
Data from GEORGETOWN SUSSEX CO AP, DE US, 1.6 miles away with 30-year NOAA record (1991-2020).
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