Caroline County, Maryland · Frost dates

Caroline County frost dates.

First-frost, last-frost, and growing-season length for Caroline County, Maryland. Sourced from NOAA 1991-2020 Climate Normals.

Data confidence: high · USDA zone: 7a

32°F — light freeze

Last spring frost

10%
04-28
20%
04-22
50%
04-11
80%
04-02
90%
03-29

First fall frost

10%
10-14
20%
10-20
50%
10-30
80%
11-07
90%
11-13

28°F — killing freeze

Last spring freeze

10%
04-11
20%
04-06
50%
03-30
80%
03-21
90%
03-15

First fall freeze

10%
10-26
20%
11-01
50%
11-11
80%
11-23
90%
11-29

Growing season length (days, 28°F threshold)

Short year
198
Median
226
Long year
259

Source NOAA station

GREENWOOD 2NE, DE US

14.3 mi · 30 yrs of record (19912020) · 45 ft elev.

Data from GREENWOOD 2NE, DE US, 14.3 miles away with 30-year NOAA record (1991-2020).

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