Orange County, North Carolina · Frost dates
Orange County frost dates.
First-frost, last-frost, and growing-season length for Orange County, North Carolina. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7b
32°F — light freeze
Last spring frost
- 10%
- 04-19
- 20%
- 04-11
- 50%
- 03-31
- 80%
- 03-20
- 90%
- 03-14
First fall frost
- 10%
- 10-22
- 20%
- 10-27
- 50%
- 11-04
- 80%
- 11-13
- 90%
- 11-18
28°F — killing freeze
Last spring freeze
- 10%
- 04-05
- 20%
- 03-31
- 50%
- 03-19
- 80%
- 03-06
- 90%
- 02-28
First fall freeze
- 10%
- 11-03
- 20%
- 11-06
- 50%
- 11-15
- 80%
- 11-29
- 90%
- 12-04
Growing season length (days, 28°F threshold)
- Short year
- 212
- Median
- 241
- Long year
- 279
Source NOAA station
DURHAM 11 W, NC US
6.5 mi · 30 yrs of record (1991–2020) · 562 ft elev.
Data from DURHAM 11 W, NC US, 6.5 miles away with 30-year NOAA record (1991-2020).
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