Northumberland County, Virginia · Frost dates
Northumberland County frost dates.
First-frost, last-frost, and growing-season length for Northumberland County, Virginia. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 7a
32°F — light freeze
Last spring frost
- 10%
- 04-11
- 20%
- 04-07
- 50%
- 03-30
- 80%
- 03-20
- 90%
- 03-14
First fall frost
- 10%
- 10-29
- 20%
- 11-03
- 50%
- 11-14
- 80%
- 11-24
- 90%
- 12-01
28°F — killing freeze
Last spring freeze
- 10%
- 04-01
- 20%
- 03-29
- 50%
- 03-19
- 80%
- 03-06
- 90%
- 02-28
First fall freeze
- 10%
- 11-11
- 20%
- 11-17
- 50%
- 11-29
- 80%
- 12-09
- 90%
- 12-15
Growing season length (days, 28°F threshold)
- Short year
- 224
- Median
- 255
- Long year
- 290
Source NOAA station
ST INIGOES WEBSTER NOLF, MD US
19.9 mi · 30 yrs of record (1991–2020) · 21 ft elev.
Data from ST INIGOES WEBSTER NOLF, MD US, 19.9 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
14-day free trial. No credit card. Cancel anytime.