Last frost date in McDonough, GA

Average last frost
March 31

Expect the last frost in McDonough around March 31. Frost after April 16 happens in only one year out of ten. The first fall frost usually arrives about November 6, which leaves 220 frost-free days. An early freeze before October 24 happens one year in ten.

Safe after (10% risk)
Apr 16
Average first frost
Nov 6
Frost-free season
220 days
Hard freeze (28°F) ends
Mar 16
Next 7 nights in McDonough

No frost in the next 7 nights

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

  1. ThuOct 2246°
  2. FriOct 2344°
  3. SatOct 2444°
  4. SunOct 2544°
  5. MonOct 2643°
  6. TueOct 2745°
  7. WedOct 2846°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Mar 31First frost Nov 6220 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND220 frost-free days
Frost risk through the year at Mcdonough 5 ENE, 7.1 miles from McDonough.

Planting calendar for McDonough

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

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
Warm-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
TomatoesApr 7–Apr 21
PumpkinsApr 14–Apr 28
SunflowersMar 31–Apr 21
CucumbersApr 14–Apr 21
CornApr 7–Apr 21
Sweet potatoesApr 21–May 5
WatermelonApr 14–Apr 28
Green beansApr 7–Apr 28
ZucchiniApr 7–Apr 21
OkraApr 21–May 5
PeppersApr 14–Apr 28
BasilApr 7–Apr 21
Butternut squashApr 7–Apr 21
CantaloupeApr 14–Apr 28
EggplantApr 14–Apr 28
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesMar 3–Mar 17
OnionsFeb 17–Mar 10
CarrotsMar 10–Apr 14
LettuceMar 17–Apr 7
BroccoliMar 3–Mar 17
BeetsMar 3–Apr 14
PeasFeb 17–Mar 3
CabbageMar 3–Mar 17
RadishesFeb 24–Apr 7
Brussels sproutsMar 17–Mar 31
SpinachFeb 17–Mar 10
CilantroMar 17–Apr 7
KaleMar 3–Mar 17
Collard greensMar 3–Mar 17
TurnipsMar 3–Mar 17
DillMar 31–Apr 14
CeleryApr 7–Apr 14
CauliflowerMar 17–Mar 31
LeeksMar 17–Mar 31
Swiss chardMar 17–Apr 14
ParsleyMar 17–Apr 7
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsOct 23–Nov 27
GarlicOct 16–Nov 20
Daffodil bulbsOct 9–Nov 20
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesMar 3–Mar 17
AsparagusMar 3–Mar 17

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FMar 8Mar 31Apr 16Oct 24Nov 6Nov 24
Hard freeze, 28°FFeb 20Mar 16Apr 4Nov 1Nov 17Dec 7

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 Mcdonough 5 ENE (USC00095666) sits 7.1 miles from the center of McDonough at 708 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 McDonough, GA?

The average last frost date in McDonough is March 31, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 16.

When is the first frost in McDonough?

The first frost in fall usually comes around November 6. One year in ten it arrives before October 24.

How long is the growing season in McDonough?

About 220 days between the average last and first frost.

When should I plant tomatoes in McDonough?

Plant tomato seedlings outside from April 7 to April 21. Start seeds indoors six to eight weeks earlier.

Nearby in Georgia

All 63 cities in Georgia