St. Charles Parish, Louisiana · Frost dates
St. Charles Parish frost dates.
First-frost, last-frost, and growing-season length for St. Charles Parish, Louisiana. Sourced from NOAA 1991-2020 Climate Normals.
Data confidence: high · USDA zone: 8b
32°F — light freeze
Last spring frost
- 10%
- 02-27
- 20%
- 02-18
- 50%
- 01-30
- 80%
- 01-09
- 90%
- 12-29
First fall frost
- 10%
- 12-01
- 20%
- 12-08
- 50%
- 12-31
- 80%
- 01-16
- 90%
- 01-31
28°F — killing freeze
Last spring freeze
- 10%
- 02-14
- 20%
- 02-05
- 50%
- 01-20
- 80%
- 01-03
- 90%
- 12-24
First fall freeze
- 10%
- 12-11
- 20%
- 12-24
- 50%
- 01-07
- 80%
- 01-28
- 90%
- 02-06
Growing season length (days, 28°F threshold)
- Short year
- 300
- Median
- 352
- Long year
- 409
Source NOAA station
NEW ORLEANS INTL AP, LA US
8.8 mi · 30 yrs of record (1991–2020) · 4 ft elev.
Data from NEW ORLEANS INTL AP, LA US, 8.8 miles away with 30-year NOAA record (1991-2020).
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