Last frost date in Hammond, LA

Average last frost
March 8

In Hammond, the last spring frost comes around March 8 in an average year. Wait until March 31 if you want 90% odds of no more frost. The first fall frost usually arrives about November 19, which leaves 257 frost-free days. An early freeze before November 3 happens one year in ten.

Safe after (10% risk)
Mar 31
Average first frost
Nov 19
Frost-free season
257 days
Hard freeze (28°F) ends
Feb 21
Next 7 nights in Hammond

No frost in the next 7 nights

National Weather Service forecast, updated Oct 22, 12:57 UTC

  1. ThuOct 2252°
  2. FriOct 2351°
  3. SatOct 2451°
  4. SunOct 2551°
  5. MonOct 2653°
  6. TueOct 2753°
  7. WedOct 2852°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Mar 8First frost Nov 19257 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND257 frost-free days
Frost risk through the year at Hammond 5 E, 4.7 miles from Hammond.

Planting calendar for Hammond

Windows count forward or back from the average frost dates above. Click a crop for dates across Louisiana.

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
Warm-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
TomatoesMar 15–Mar 29
PumpkinsMar 22–Apr 5
SunflowersMar 8–Mar 29
CucumbersMar 22–Mar 29
CornMar 15–Mar 29
Sweet potatoesMar 29–Apr 12
WatermelonMar 22–Apr 5
Green beansMar 15–Apr 5
ZucchiniMar 15–Mar 29
OkraMar 29–Apr 12
PeppersMar 22–Apr 5
BasilMar 15–Mar 29
Butternut squashMar 15–Mar 29
CantaloupeMar 22–Apr 5
EggplantMar 22–Apr 5
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesFeb 8–Feb 22
OnionsJan 25–Feb 15
CarrotsFeb 15–Mar 22
LettuceFeb 22–Mar 15
BroccoliFeb 8–Feb 22
BeetsFeb 8–Mar 22
PeasJan 25–Feb 8
CabbageFeb 8–Feb 22
RadishesFeb 1–Mar 15
Brussels sproutsFeb 22–Mar 8
SpinachJan 25–Feb 15
CilantroFeb 22–Mar 15
KaleFeb 8–Feb 22
Collard greensFeb 8–Feb 22
TurnipsFeb 8–Feb 22
DillMar 8–Mar 22
CeleryMar 15–Mar 22
CauliflowerFeb 22–Mar 8
LeeksFeb 22–Mar 8
Swiss chardFeb 22–Mar 22
ParsleyFeb 22–Mar 15
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsNov 5–Dec 10
GarlicOct 15–Nov 30
Daffodil bulbsOct 15–Nov 30
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesFeb 8–Feb 22
AsparagusFeb 8–Feb 22

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FFeb 12Mar 8Mar 31Nov 3Nov 19Dec 8
Hard freeze, 28°FJan 20Feb 21Mar 17Nov 14Dec 2Jan 3

Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.

Where these numbers come from

NOAA station Hammond 5 E (USC00164030) sits 4.7 miles from the center of Hammond at 35 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.

Questions

When is the last frost in Hammond, LA?

The average last frost date in Hammond is March 8, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after March 31.

When is the first frost in Hammond?

The first frost in fall usually comes around November 19. One year in ten it arrives before November 3.

How long is the growing season in Hammond?

About 257 days between the average last and first frost.

When should I plant tomatoes in Hammond?

Plant tomato seedlings outside from March 15 to March 29. Start seeds indoors six to eight weeks earlier.

Nearby in Louisiana

All 26 cities in Louisiana