Arlington County, Virginia · Frost dates
Arlington County frost dates.
First-frost, last-frost, and growing-season length for Arlington County, Virginia. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7a
32°F — light freeze
Last spring frost
- 10%
- 04-06
- 20%
- 04-02
- 50%
- 03-24
- 80%
- 03-14
- 90%
- 03-07
First fall frost
- 10%
- 11-05
- 20%
- 11-08
- 50%
- 11-18
- 80%
- 11-30
- 90%
- 12-06
28°F — killing freeze
Last spring freeze
- 10%
- 03-26
- 20%
- 03-21
- 50%
- 03-12
- 80%
- 03-01
- 90%
- 02-23
First fall freeze
- 10%
- 11-14
- 20%
- 11-21
- 50%
- 12-03
- 80%
- 12-17
- 90%
- 12-24
Growing season length (days, 28°F threshold)
- Short year
- 233
- Median
- 266
- Long year
- 304
Source NOAA station
WASHINGTON REAGAN AP, VA US
4.1 mi · 30 yrs of record (1991–2020) · 10 ft elev.
Data from WASHINGTON REAGAN AP, VA US, 4.1 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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