Anne Arundel County, Maryland · Frost dates
Anne Arundel County frost dates.
First-frost, last-frost, and growing-season length for Anne Arundel County, Maryland. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7a
32°F — light freeze
Last spring frost
- 10%
- 04-09
- 20%
- 04-04
- 50%
- 03-27
- 80%
- 03-16
- 90%
- 03-09
First fall frost
- 10%
- 11-01
- 20%
- 11-04
- 50%
- 11-13
- 80%
- 11-25
- 90%
- 12-01
28°F — killing freeze
Last spring freeze
- 10%
- 03-29
- 20%
- 03-25
- 50%
- 03-14
- 80%
- 03-03
- 90%
- 02-26
First fall freeze
- 10%
- 11-09
- 20%
- 11-14
- 50%
- 11-28
- 80%
- 12-10
- 90%
- 12-19
Growing season length (days, 28°F threshold)
- Short year
- 225
- Median
- 259
- Long year
- 296
Source NOAA station
ANNAPOLIS POLICE BRKS, MD US
2.9 mi · 30 yrs of record (1991–2020) · 25 ft elev.
Data from ANNAPOLIS POLICE BRKS, MD US, 2.9 miles away with 30-year NOAA record (1991-2020).
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