Hunterdon County, New Jersey · Frost dates
Hunterdon County frost dates.
First-frost, last-frost, and growing-season length for Hunterdon County, New Jersey. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7a
32°F — light freeze
Last spring frost
- 10%
- 05-11
- 20%
- 05-05
- 50%
- 04-24
- 80%
- 04-15
- 90%
- 04-09
First fall frost
- 10%
- 10-06
- 20%
- 10-11
- 50%
- 10-21
- 80%
- 11-01
- 90%
- 11-05
28°F — killing freeze
Last spring freeze
- 10%
- 04-25
- 20%
- 04-20
- 50%
- 04-08
- 80%
- 04-01
- 90%
- 03-27
First fall freeze
- 10%
- 10-16
- 20%
- 10-22
- 50%
- 11-02
- 80%
- 11-10
- 90%
- 11-16
Growing season length (days, 28°F threshold)
- Short year
- 174
- Median
- 208
- Long year
- 234
Source NOAA station
FLEMINGTON 5 NNW, NJ US
1.7 mi · 30 yrs of record (1991–2020) · 265 ft elev.
Data from FLEMINGTON 5 NNW, NJ US, 1.7 miles away with 30-year NOAA record (1991-2020).
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