Somerset County, Pennsylvania · Frost dates
Somerset County frost dates.
First-frost, last-frost, and growing-season length for Somerset County, Pennsylvania. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6b
32°F — light freeze
Last spring frost
- 10%
- 05-18
- 20%
- 05-12
- 50%
- 05-02
- 80%
- 04-23
- 90%
- 04-19
First fall frost
- 10%
- 10-05
- 20%
- 10-08
- 50%
- 10-17
- 80%
- 10-25
- 90%
- 10-30
28°F — killing freeze
Last spring freeze
- 10%
- 05-08
- 20%
- 05-02
- 50%
- 04-22
- 80%
- 04-13
- 90%
- 04-09
First fall freeze
- 10%
- 10-14
- 20%
- 10-19
- 50%
- 10-28
- 80%
- 11-07
- 90%
- 11-11
Growing season length (days, 28°F threshold)
- Short year
- 159
- Median
- 189
- Long year
- 216
Source NOAA station
HIDDEN VALLEY, PA US
12.8 mi · 30 yrs of record (1991–2020) · 2876 ft elev.
Data from HIDDEN VALLEY, PA US, 12.8 miles away with 30-year NOAA record (1991-2020).
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