Montour County, Pennsylvania · Frost dates
Montour County frost dates.
First-frost, last-frost, and growing-season length for Montour County, Pennsylvania. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6b
32°F — light freeze
Last spring frost
- 10%
- 05-11
- 20%
- 05-05
- 50%
- 04-26
- 80%
- 04-17
- 90%
- 04-13
First fall frost
- 10%
- 10-05
- 20%
- 10-09
- 50%
- 10-20
- 80%
- 10-29
- 90%
- 11-01
28°F — killing freeze
Last spring freeze
- 10%
- 04-28
- 20%
- 04-23
- 50%
- 04-14
- 80%
- 04-04
- 90%
- 03-31
First fall freeze
- 10%
- 10-17
- 20%
- 10-22
- 50%
- 11-01
- 80%
- 11-07
- 90%
- 11-13
Growing season length (days, 28°F threshold)
- Short year
- 172
- Median
- 201
- Long year
- 227
Source NOAA station
LEWISBURG, PA US
12.5 mi · 30 yrs of record (1991–2020) · 500 ft elev.
Data from LEWISBURG, PA US, 12.5 miles away with 30-year NOAA record (1991-2020).
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