Dauphin County, Pennsylvania · Frost dates
Dauphin County frost dates.
First-frost, last-frost, and growing-season length for Dauphin County, Pennsylvania. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 6b
32°F — light freeze
Last spring frost
- 10%
- 05-20
- 20%
- 05-14
- 50%
- 05-01
- 80%
- 04-20
- 90%
- 04-15
First fall frost
- 10%
- 10-03
- 20%
- 10-06
- 50%
- 10-16
- 80%
- 10-28
- 90%
- 11-01
28°F — killing freeze
Last spring freeze
- 10%
- 05-08
- 20%
- 05-01
- 50%
- 04-18
- 80%
- 04-05
- 90%
- 04-01
First fall freeze
- 10%
- 10-10
- 20%
- 10-17
- 50%
- 10-30
- 80%
- 11-08
- 90%
- 11-13
Growing season length (days, 28°F threshold)
- Short year
- 155
- Median
- 195
- Long year
- 226
Source NOAA station
DEHART DAM, PA US
4.1 mi · 30 yrs of record (1991–2020) · 537 ft elev.
Data from DEHART DAM, PA US, 4.1 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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