St. Helena Parish, Louisiana · Frost dates
St. Helena Parish frost dates.
First-frost, last-frost, and growing-season length for St. Helena Parish, Louisiana. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8b
32°F — light freeze
Last spring frost
- 10%
- 03-31
- 20%
- 03-24
- 50%
- 03-07
- 80%
- 02-21
- 90%
- 02-10
First fall frost
- 10%
- 11-01
- 20%
- 11-06
- 50%
- 11-18
- 80%
- 12-01
- 90%
- 12-08
28°F — killing freeze
Last spring freeze
- 10%
- 03-16
- 20%
- 03-08
- 50%
- 02-20
- 80%
- 01-31
- 90%
- 01-22
First fall freeze
- 10%
- 11-11
- 20%
- 11-18
- 50%
- 12-02
- 80%
- 12-25
- 90%
- 01-04
Growing season length (days, 28°F threshold)
- Short year
- 240
- Median
- 285
- Long year
- 347
Source NOAA station
AMITE, LA US
13.4 mi · 30 yrs of record (1991–2020) · 170 ft elev.
Data from AMITE, LA US, 13.4 miles away with 30-year NOAA record (1991-2020).
Bield Farm earns its predictions.
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