Allegany County, Maryland · Frost dates
Allegany County frost dates.
First-frost, last-frost, and growing-season length for Allegany County, Maryland. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7a
32°F — light freeze
Last spring frost
- 10%
- 05-05
- 20%
- 04-28
- 50%
- 04-15
- 80%
- 04-06
- 90%
- 04-02
First fall frost
- 10%
- 10-09
- 20%
- 10-14
- 50%
- 10-24
- 80%
- 11-02
- 90%
- 11-06
28°F — killing freeze
Last spring freeze
- 10%
- 04-17
- 20%
- 04-11
- 50%
- 04-03
- 80%
- 03-26
- 90%
- 03-20
First fall freeze
- 10%
- 10-20
- 20%
- 10-25
- 50%
- 11-03
- 80%
- 11-12
- 90%
- 11-19
Growing season length (days, 28°F threshold)
- Short year
- 186
- Median
- 214
- Long year
- 244
Source NOAA station
CUMBERLAND 2, MD US
3.5 mi · 30 yrs of record (1991–2020) · 730 ft elev.
Data from CUMBERLAND 2, MD US, 3.5 miles away with 30-year NOAA record (1991-2020).
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