FrostDateByZip

Frost dates for 70560New Iberia, LA

The average last spring frost in New Iberia is February 14 and the average first fall frost is December 5, giving a typical growing season of about 298 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Feb 14

Safer after Mar 11 (1-in-10 risk)

Average first fall frost
Dec 5

Possible by Nov 14 (1-in-10 risk)

Growing season
298 days

First frost typically in 35 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)Feb 2 · Mar 3 · Mar 24Nov 4 · Nov 21 · Dec 11263 days100%
Frost / freeze (32°F)Jan 11 · Feb 14 · Mar 11Nov 14 · Dec 5 · Jan 7298 days99%
Hard freeze (28°F)Dec 23 · Jan 28 · Mar 1Dec 1 · Dec 31 · Feb 1337 days83%

Planting calendar for New Iberia

Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.

CropTaskWindow
TomatoesStart seeds indoorsJan 14 – Mar 22
TomatoesTransplant outdoorsMar 2 – Aug 15
PeppersStart seeds indoorsJan 14 – Feb 14
PeppersTransplant outdoorsMar 16 – Apr 16
EggplantStart seeds indoorsJan 31 – Mar 1
EggplantTransplant outdoorsMar 16 – Apr 16
CucumbersSow outdoorsMar 16 – Aug 25
Summer squashSow outdoorsMar 2 – Apr 16
Winter squash & pumpkinsSow outdoorsMar 16 – Apr 16
Snap beansSow outdoorsMar 2 – Sep 17
Sweet cornSow outdoorsMar 2 – Aug 15
Watermelon & cantaloupeSow outdoorsMar 16 – Apr 16
OkraSow outdoorsMar 9 – Apr 1
PeasSow outdoors (spring)Jan 14 – Mar 1
PotatoesPlant outdoors (spring)Jan 14 – Mar 16
OnionsStart seeds indoors (spring)Dec 3 – Dec 30
OnionsTransplant outdoors (spring)Jan 31 – Mar 1
BroccoliStart seeds indoors (spring)Dec 27 – Jan 30
BroccoliTransplant outdoors (spring)Jan 31 – Mar 1
BroccoliStart seeds indoors (fall)Aug 5 – Aug 15
BroccoliTransplant outdoors (fall)Sep 4 – Sep 15
CabbageStart seeds indoors (spring)Dec 17 – Jan 14
CabbageTransplant outdoors (spring)Jan 14 – Feb 14
CabbageStart seeds indoors (fall)Jul 26 – Aug 25
CabbageTransplant outdoors (fall)Aug 25 – Sep 25
Leaf lettuceSow outdoors (spring)Jan 14 – Apr 1
Leaf lettuceSow outdoors (fall)Aug 25 – Oct 11
SpinachSow outdoors (spring)Jan 7 – Feb 20
SpinachSow outdoors (fall)Sep 11 – Oct 16
RadishesSow outdoors (spring)Jan 14 – Mar 6
RadishesSow outdoors (fall)Aug 25 – Oct 26
KaleSow outdoors (spring)Jan 31 – Feb 20
KaleSow outdoors (fall)Aug 18 – Sep 25
CarrotsSow outdoors (spring)Feb 14 – Apr 1
CarrotsSow outdoors (fall)Jul 26 – Sep 10
GarlicPlant outdoors (fall)Nov 25 – Dec 26

Where these dates come from

ZIP code 70560 is matched to the NOAA station New Iberia Acadiana Rgnl Ap, LA, 7.4 km away, at 24 ft elevation (8 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
New Iberia Acadiana Rgnl Ap, LA (used)24 ftFeb 14Dec 5
New Iberia Acadiana Ap, LA24 ftFeb 10Dec 11
St Martinville 3 Sw, LA30 ftFeb 21Nov 27
Lafayette 13 Se, LA35 ftFeb 19Dec 1

Frost dates near New Iberia

Frequently asked questions

When is the last frost in New Iberia, LA?
For ZIP code 70560, the average last spring frost (32°F) is February 14, based on NOAA 1991-2020 climate normals for the New Iberia Acadiana Rgnl Ap, LA weather station. There is a 1-in-10 chance of a frost after March 11.
When is the first frost in New Iberia, LA?
The average first fall frost (32°F) is December 5. There is a 1-in-10 chance of frost by November 14, so tender plants are at risk from that point on.
How long is the growing season in 70560?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 298 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.