When is the last frost in Hackberry, LA?

For ZIP code 70645, the average last spring frost (32°F) is February 3, based on NOAA 1991-2020 climate normals for the Hackberry 8 Ssw, LA weather station. There is a 1-in-10 chance of a frost after March 9.

When is the first frost in Hackberry, LA?

The average first fall frost (32°F) is December 24. There is a 1-in-10 chance of frost by November 26, so tender plants are at risk from that point on.

How long is the growing season in 70645?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 323 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.

Frost dates for 70645Hackberry, LA

The average last spring frost in Hackberry is February 3 and the average first fall frost is December 24, giving a typical growing season of about 323 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Feb 3
Average first fall frost: Dec 24
Growing season: 323 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.
Temperature	Last spring: 90% / 50% / 10% chance	First fall: 10% / 50% / 90% chance	Growing season (50%)	Years with at least one
Light frost (36°F)	Jan 26 · Feb 23 · Mar 18	Nov 13 · Dec 5 · Jan 2	288 days	100%
Frost / freeze (32°F)	Jan 6 · Feb 3 · Mar 9	Nov 26 · Dec 24 · Jan 22	323 days	93%
Hard freeze (28°F)	Dec 24 · Jan 22 · Feb 26	Dec 10 · Jan 3 · Feb 1	355 days	62%

Where these dates come from

ZIP code 70645 is matched to the NOAA station Hackberry 8 Ssw, LA, 10.6 km away, at 6 ft elevation (1 ft lower than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Hackberry 8 Ssw, LA (used)	6 ft	Feb 3	Dec 24
Lake Charles, LA	13 ft	Feb 14	Dec 7
Moss Bluff 2 Nnw, LA	25 ft	Mar 2	Nov 25
Orange 9 N, TX	18 ft	Feb 28	Nov 23

Frost dates near Hackberry

Cameron, LA 70631 · last Feb 3, first Dec 24
Lake Charles, LA 70607 · last Feb 14, first Dec 7
Sulphur, LA 70665 · last Feb 14, first Dec 7
Vinton, LA 70668 · last Feb 28, first Nov 23
Westlake, LA 70669 · last Feb 14, first Dec 7
Bell City, LA 70630 · last Feb 14, first Dec 7
Orange, TX 77631 · last Feb 28, first Nov 23
Creole, LA 70632 · last Feb 2, first Dec 23

Frequently asked questions

When is the last frost in Hackberry, LA?: For ZIP code 70645, the average last spring frost (32°F) is February 3, based on NOAA 1991-2020 climate normals for the Hackberry 8 Ssw, LA weather station. There is a 1-in-10 chance of a frost after March 9.
When is the first frost in Hackberry, LA?: The average first fall frost (32°F) is December 24. There is a 1-in-10 chance of frost by November 26, so tender plants are at risk from that point on.
How long is the growing season in 70645?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 323 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.