FrostDateByZip

Frost dates for 39341Macon, MS

The average last spring frost in Macon is March 21 and the average first fall frost is November 7, giving a typical growing season of about 231 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 21

Safer after Apr 8 (1-in-10 risk)

Average first fall frost
Nov 7

Possible by Oct 23 (1-in-10 risk)

Growing season
231 days

First frost typically in 4 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)Mar 17 · Apr 5 · Apr 22Oct 15 · Oct 29 · Nov 12207 days100%
Frost / freeze (32°F)Feb 28 · Mar 21 · Apr 8Oct 23 · Nov 7 · Nov 26231 days100%
Hard freeze (28°F)Feb 15 · Mar 5 · Mar 22Nov 2 · Nov 20 · Dec 8260 days100%

Planting calendar for Macon

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 indoorsFeb 18 – Apr 26
TomatoesTransplant outdoorsApr 6 – Jul 18
PeppersStart seeds indoorsFeb 18 – Mar 21
PeppersTransplant outdoorsApr 20 – May 21
EggplantStart seeds indoorsMar 7 – Apr 5
EggplantTransplant outdoorsApr 20 – May 21
CucumbersSow outdoorsApr 20 – Jul 28
Summer squashSow outdoorsApr 6 – May 21
Winter squash & pumpkinsSow outdoorsApr 20 – May 21
Snap beansSow outdoorsApr 6 – Aug 20
Sweet cornSow outdoorsApr 6 – Jul 18
Watermelon & cantaloupeSow outdoorsApr 20 – May 21
OkraSow outdoorsApr 13 – May 6
PeasSow outdoors (spring)Feb 18 – Apr 5
PotatoesPlant outdoors (spring)Feb 18 – Apr 20
OnionsStart seeds indoors (spring)Jan 7 – Feb 3
OnionsTransplant outdoors (spring)Mar 7 – Apr 5
BroccoliStart seeds indoors (spring)Jan 31 – Mar 6
BroccoliTransplant outdoors (spring)Mar 7 – Apr 5
BroccoliStart seeds indoors (fall)Jul 8 – Jul 18
BroccoliTransplant outdoors (fall)Aug 7 – Aug 18
CabbageStart seeds indoors (spring)Jan 21 – Feb 18
CabbageTransplant outdoors (spring)Feb 18 – Mar 21
CabbageStart seeds indoors (fall)Jun 28 – Jul 28
CabbageTransplant outdoors (fall)Jul 28 – Aug 28
Leaf lettuceSow outdoors (spring)Feb 18 – May 6
Leaf lettuceSow outdoors (fall)Jul 28 – Sep 13
SpinachSow outdoors (spring)Feb 11 – Mar 27
SpinachSow outdoors (fall)Aug 14 – Sep 18
RadishesSow outdoors (spring)Feb 18 – Apr 10
RadishesSow outdoors (fall)Jul 28 – Sep 28
KaleSow outdoors (spring)Mar 7 – Mar 27
KaleSow outdoors (fall)Jul 21 – Aug 28
CarrotsSow outdoors (spring)Mar 21 – May 6
CarrotsSow outdoors (fall)Jun 28 – Aug 13
GarlicPlant outdoors (fall)Oct 28 – Nov 28

Where these dates come from

ZIP code 39341 is matched to the NOAA station Macon 3N, MS, 6 km away, at 250 ft elevation (76 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Macon 3N, MS (used)250 ftMar 21Nov 7
Aliceville, AL195 ftMar 24Nov 8
Columbus, MS145 ftMar 13Nov 12
State Univ, MS185 ftMar 23Nov 8

Frost dates near Macon

Frequently asked questions

When is the last frost in Macon, MS?
For ZIP code 39341, the average last spring frost (32°F) is March 21, based on NOAA 1991-2020 climate normals for the Macon 3N, MS weather station. There is a 1-in-10 chance of a frost after April 8.
When is the first frost in Macon, MS?
The average first fall frost (32°F) is November 7. There is a 1-in-10 chance of frost by October 23, so tender plants are at risk from that point on.
How long is the growing season in 39341?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 231 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.