Lycoming County, Pennsylvania · Frost dates
Lycoming County frost dates.
First-frost, last-frost, and growing-season length for Lycoming County, Pennsylvania. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6b
32°F — light freeze
Last spring frost
- 10%
- 05-12
- 20%
- 05-06
- 50%
- 04-25
- 80%
- 04-15
- 90%
- 04-10
First fall frost
- 10%
- 10-08
- 20%
- 10-12
- 50%
- 10-24
- 80%
- 11-02
- 90%
- 11-05
28°F — killing freeze
Last spring freeze
- 10%
- 04-25
- 20%
- 04-21
- 50%
- 04-10
- 80%
- 04-01
- 90%
- 03-29
First fall freeze
- 10%
- 10-20
- 20%
- 10-27
- 50%
- 11-04
- 80%
- 11-13
- 90%
- 11-18
Growing season length (days, 28°F threshold)
- Short year
- 178
- Median
- 208
- Long year
- 234
Source NOAA station
WILLIAMSPORT 2, PA US
7.6 mi · 30 yrs of record (1991–2020) · 525 ft elev.
Data from WILLIAMSPORT 2, PA US, 7.6 miles away with 30-year NOAA record (1991-2020).
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