Last frost date in Massapequa, NY

Average last frost
April 3

The average last frost in Massapequa is April 3. By April 18 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about November 11, which leaves 221 frost-free days. An early freeze before October 31 happens one year in ten.

Safe after (10% risk)
Apr 18
Average first frost
Nov 11
Frost-free season
221 days
Hard freeze (28°F) ends
Mar 22
Next 7 nights in Massapequa

No frost in the next 7 nights

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

  1. ThuOct 2242°
  2. FriOct 2341°
  3. SatOct 2441°
  4. SunOct 2544°
  5. MonOct 2649°
  6. TueOct 2748°
  7. WedOct 2848°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Apr 3First frost Nov 11221 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND221 frost-free days
Frost risk through the year at Wantagh Cedar Creek, 2.0 miles from Massapequa.

Planting calendar for Massapequa

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

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
Warm-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
TomatoesApr 10–Apr 24
PumpkinsApr 17–May 1
SunflowersApr 3–Apr 24
CucumbersApr 17–Apr 24
CornApr 10–Apr 24
Sweet potatoesApr 24–May 8
WatermelonApr 17–May 1
Green beansApr 10–May 1
ZucchiniApr 10–Apr 24
OkraApr 24–May 8
PeppersApr 17–May 1
BasilApr 10–Apr 24
Butternut squashApr 10–Apr 24
CantaloupeApr 17–May 1
EggplantApr 17–May 1
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesMar 6–Mar 20
OnionsFeb 20–Mar 13
CarrotsMar 13–Apr 17
LettuceMar 20–Apr 10
BroccoliMar 6–Mar 20
BeetsMar 6–Apr 17
PeasFeb 20–Mar 6
CabbageMar 6–Mar 20
RadishesFeb 27–Apr 10
Brussels sproutsMar 20–Apr 3
SpinachFeb 20–Mar 13
CilantroMar 20–Apr 10
KaleMar 6–Mar 20
Collard greensMar 6–Mar 20
TurnipsMar 6–Mar 20
DillApr 3–Apr 17
CeleryApr 10–Apr 17
CauliflowerMar 20–Apr 3
LeeksMar 20–Apr 3
Swiss chardMar 20–Apr 17
ParsleyMar 20–Apr 10
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsOct 28–Dec 2
GarlicOct 21–Nov 25
Daffodil bulbsOct 14–Nov 25
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesMar 6–Mar 20
AsparagusMar 6–Mar 20

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FMar 19Apr 3Apr 18Oct 31Nov 11Nov 30
Hard freeze, 28°FMar 5Mar 22Apr 5Nov 8Nov 23Dec 11

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 Wantagh Cedar Creek (USC00308946) sits 2.0 miles from the center of Massapequa at 10 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 Massapequa, NY?

The average last frost date in Massapequa is April 3, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 18.

When is the first frost in Massapequa?

The first frost in fall usually comes around November 11. One year in ten it arrives before October 31.

How long is the growing season in Massapequa?

About 221 days between the average last and first frost.

When should I plant tomatoes in Massapequa?

Plant tomato seedlings outside from April 10 to April 24. Start seeds indoors six to eight weeks earlier.

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