Rockingham County, New Hampshire · Frost dates
Rockingham County frost dates.
First-frost, last-frost, and growing-season length for Rockingham County, New Hampshire. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 5b
32°F — light freeze
Last spring frost
- 10%
- 05-21
- 20%
- 05-17
- 50%
- 05-07
- 80%
- 04-29
- 90%
- 04-25
First fall frost
- 10%
- 09-22
- 20%
- 09-26
- 50%
- 10-04
- 80%
- 10-12
- 90%
- 10-17
28°F — killing freeze
Last spring freeze
- 10%
- 05-08
- 20%
- 05-03
- 50%
- 04-24
- 80%
- 04-16
- 90%
- 04-10
First fall freeze
- 10%
- 10-01
- 20%
- 10-05
- 50%
- 10-15
- 80%
- 10-27
- 90%
- 11-01
Growing season length (days, 28°F threshold)
- Short year
- 146
- Median
- 174
- Long year
- 205
Source NOAA station
EPPING, NH US
3.0 mi · 30 yrs of record (1991–2020) · 160 ft elev.
Data from EPPING, NH US, 3 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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