Jefferson County, Texas · Frost dates
Jefferson County frost dates.
First-frost, last-frost, and growing-season length for Jefferson County, Texas. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8b
32°F — light freeze
Last spring frost
- 10%
- 03-13
- 20%
- 03-04
- 50%
- 02-14
- 80%
- 01-27
- 90%
- 01-17
First fall frost
- 10%
- 11-15
- 20%
- 11-23
- 50%
- 12-07
- 80%
- 01-01
- 90%
- 01-09
28°F — killing freeze
Last spring freeze
- 10%
- 03-03
- 20%
- 02-20
- 50%
- 01-28
- 80%
- 01-07
- 90%
- 12-23
First fall freeze
- 10%
- 12-01
- 20%
- 12-08
- 50%
- 01-01
- 80%
- 01-19
- 90%
- 02-03
Growing season length (days, 28°F threshold)
- Short year
- 273
- Median
- 338
- Long year
- 407
Source NOAA station
PORT ARTHUR SE TX AP, TX US
10.2 mi · 30 yrs of record (1991–2020) · 16 ft elev.
Data from PORT ARTHUR SE TX AP, TX US, 10.2 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
14-day free trial. No credit card. Cancel anytime.