York County, Pennsylvania · Frost dates
York County frost dates.
First-frost, last-frost, and growing-season length for York County, Pennsylvania. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6b
32°F — light freeze
Last spring frost
- 10%
- 05-13
- 20%
- 05-07
- 50%
- 04-26
- 80%
- 04-14
- 90%
- 04-07
First fall frost
- 10%
- 10-05
- 20%
- 10-09
- 50%
- 10-19
- 80%
- 10-29
- 90%
- 11-01
28°F — killing freeze
Last spring freeze
- 10%
- 04-26
- 20%
- 04-20
- 50%
- 04-08
- 80%
- 03-30
- 90%
- 03-24
First fall freeze
- 10%
- 10-15
- 20%
- 10-21
- 50%
- 10-31
- 80%
- 11-08
- 90%
- 11-13
Growing season length (days, 28°F threshold)
- Short year
- 172
- Median
- 206
- Long year
- 234
Source NOAA station
YORK 3 SSW PUMP STN, PA US
1.2 mi · 30 yrs of record (1991–2020) · 390 ft elev.
Data from YORK 3 SSW PUMP STN, PA US, 1.2 miles away with 30-year NOAA record (1991-2020).
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