Middlesex County, New Jersey · Frost dates
Middlesex County frost dates.
First-frost, last-frost, and growing-season length for Middlesex County, New Jersey. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7a
32°F — light freeze
Last spring frost
- 10%
- 05-01
- 20%
- 04-25
- 50%
- 04-15
- 80%
- 04-06
- 90%
- 04-02
First fall frost
- 10%
- 10-11
- 20%
- 10-15
- 50%
- 10-26
- 80%
- 11-03
- 90%
- 11-08
28°F — killing freeze
Last spring freeze
- 10%
- 04-17
- 20%
- 04-10
- 50%
- 04-02
- 80%
- 03-24
- 90%
- 03-18
First fall freeze
- 10%
- 10-23
- 20%
- 10-28
- 50%
- 11-07
- 80%
- 11-17
- 90%
- 11-23
Growing season length (days, 28°F threshold)
- Short year
- 189
- Median
- 219
- Long year
- 250
Source NOAA station
NEW BRUNSWICK 3 SE, NJ US
2.4 mi · 30 yrs of record (1991–2020) · 111 ft elev.
Data from NEW BRUNSWICK 3 SE, NJ US, 2.4 miles away with 30-year NOAA record (1991-2020).
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