FrostDateByZip

Frost dates for 70038Boothville, LA

The average last spring frost in Boothville is January 23 and the average first fall frost is January 9, giving a typical growing season of about 357 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Jan 23

Safer after Feb 25 (1-in-10 risk)

Average first fall frost
Jan 9

Possible by Dec 18 (1-in-10 risk)

Growing season
357 days

First frost typically in 71 days

Frost risk by date

NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
TemperatureLast spring: 90% / 50% / 10% chanceFirst fall: 10% / 50% / 90% chanceGrowing season (50%)Years with at least one
Light frost (36°F)Jan 8 · Feb 6 · Mar 5Dec 7 · Jan 4 · Feb 1325 days91%
Frost / freeze (32°F)Dec 28 · Jan 23 · Feb 25Dec 18 · Jan 9 · Feb 5357 days60%
Hard freeze (28°F)Dec 31 · Jan 16 · Feb 12Dec 28 · Jan 13 · Feb 4365 days23%

Where these dates come from

ZIP code 70038 is matched to the NOAA station Boothville Asos, LA, 3.8 km away, at 3 ft elevation (3 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Boothville Asos, LA (used)3 ftJan 23Jan 9
Buras, LA5 ftJan 25Jan 4
Lsu Citrus Rsch Stn, LA4 ftFeb 3Dec 28
St Bernard, LA5 ftFeb 4Dec 15

Frost dates near Boothville

Frequently asked questions

When is the last frost in Boothville, LA?
For ZIP code 70038, the average last spring frost (32°F) is January 23, based on NOAA 1991-2020 climate normals for the Boothville Asos, LA weather station. There is a 1-in-10 chance of a frost after February 25.
When is the first frost in Boothville, LA?
The average first fall frost (32°F) is January 9. There is a 1-in-10 chance of frost by December 18, so tender plants are at risk from that point on.
How long is the growing season in 70038?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 357 days long.
Are these frost dates a forecast?
No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.