Warren County, Pennsylvania · Frost dates
Warren County frost dates.
First-frost, last-frost, and growing-season length for Warren County, Pennsylvania. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6b
32°F — light freeze
Last spring frost
- 10%
- 06-05
- 20%
- 05-31
- 50%
- 05-22
- 80%
- 05-10
- 90%
- 05-06
First fall frost
- 10%
- 09-16
- 20%
- 09-21
- 50%
- 09-30
- 80%
- 10-07
- 90%
- 10-12
28°F — killing freeze
Last spring freeze
- 10%
- 05-25
- 20%
- 05-19
- 50%
- 05-08
- 80%
- 04-28
- 90%
- 04-24
First fall freeze
- 10%
- 09-28
- 20%
- 10-02
- 50%
- 10-11
- 80%
- 10-22
- 90%
- 10-29
Growing season length (days, 28°F threshold)
- Short year
- 126
- Median
- 156
- Long year
- 188
Source NOAA station
CHANDLERS VALLEY 1SE, PA US
6.6 mi · 30 yrs of record (1991–2020) · 1490 ft elev.
Data from CHANDLERS VALLEY 1SE, PA US, 6.6 miles away with 30-year NOAA record (1991-2020).
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