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 (19912020) · 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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