Last frost date in Monroe, LA

Average last frost
March 8

Expect the last frost in Monroe around March 8. Frost after March 25 happens in only one year out of ten. The first fall frost usually arrives about November 15, which leaves 253 frost-free days. An early freeze before November 1 happens one year in ten.

Safe after (10% risk)
Mar 25
Average first frost
Nov 15
Frost-free season
253 days
Hard freeze (28°F) ends
Feb 23
Next 7 nights in Monroe

No frost in the next 7 nights

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

  1. ThuOct 2250°
  2. FriOct 2351°
  3. SatOct 2448°
  4. SunOct 2550°
  5. MonOct 2650°
  6. TueOct 2751°
  7. WedOct 2850°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Mar 8First frost Nov 15253 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND253 frost-free days
Frost risk through the year at Monroe Regional Airport, 2.1 miles from Monroe.

Planting calendar for Monroe

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 1–Dec 6
GarlicOct 25–Nov 29
Daffodil bulbsOct 18–Nov 29
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 16Mar 8Mar 25Nov 1Nov 15Dec 3
Hard freeze, 28°FJan 27Feb 23Mar 13Nov 9Nov 29Dec 25

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 Monroe Regional Airport (USW00013942) sits 2.1 miles from the center of Monroe at 79 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 Monroe, LA?

The average last frost date in Monroe is March 8, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after March 25.

When is the first frost in Monroe?

The first frost in fall usually comes around November 15. One year in ten it arrives before November 1.

How long is the growing season in Monroe?

About 253 days between the average last and first frost.

When should I plant tomatoes in Monroe?

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