Forest County, Pennsylvania · Frost dates
Forest County frost dates.
First-frost, last-frost, and growing-season length for Forest 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%
- 05-01
- 80%
- 04-22
- 90%
- 04-18
First fall frost
- 10%
- 10-08
- 20%
- 10-14
- 50%
- 10-25
- 80%
- 11-02
- 90%
- 11-06
28°F — killing freeze
Last spring freeze
- 10%
- 05-06
- 20%
- 04-30
- 50%
- 04-20
- 80%
- 04-10
- 90%
- 04-06
First fall freeze
- 10%
- 10-18
- 20%
- 10-26
- 50%
- 11-04
- 80%
- 11-13
- 90%
- 11-18
Growing season length (days, 28°F threshold)
- Short year
- 165
- Median
- 198
- Long year
- 226
Source NOAA station
TIONESTA 2 SE LAKE, PA US
10.3 mi · 30 yrs of record (1991–2020) · 1200 ft elev.
Data from TIONESTA 2 SE LAKE, PA US, 10.3 miles away with 30-year NOAA record (1991-2020).
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