FrostDateByZip

Frost dates for 11432Jamaica, NY

The average last spring frost in Jamaica is April 2 and the average first fall frost is November 14, giving a typical growing season of about 226 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 2

Safer after Apr 13 (1-in-10 risk)

Average first fall frost
Nov 14

Possible by Nov 2 (1-in-10 risk)

Growing season
226 days

First frost typically in 11 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)Apr 1 · Apr 11 · Apr 23Oct 21 · Nov 2 · Nov 15203 days100%
Frost / freeze (32°F)Mar 20 · Apr 2 · Apr 13Nov 2 · Nov 14 · Dec 1226 days100%
Hard freeze (28°F)Mar 9 · Mar 23 · Apr 4Nov 10 · Nov 26 · Dec 13247 days100%

Planting calendar for Jamaica

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 indoorsMar 2 – May 8
TomatoesTransplant outdoorsApr 18 – Jul 25
PeppersStart seeds indoorsMar 2 – Apr 2
PeppersTransplant outdoorsMay 2 – Jun 2
EggplantStart seeds indoorsMar 19 – Apr 17
EggplantTransplant outdoorsMay 2 – Jun 2
CucumbersSow outdoorsMay 2 – Aug 4
Summer squashSow outdoorsApr 18 – Jun 2
Winter squash & pumpkinsSow outdoorsMay 2 – Jun 2
Snap beansSow outdoorsApr 18 – Aug 27
Sweet cornSow outdoorsApr 18 – Jul 25
Watermelon & cantaloupeSow outdoorsMay 2 – Jun 2
OkraSow outdoorsApr 25 – May 18
PeasSow outdoors (spring)Mar 2 – Apr 17
PotatoesPlant outdoors (spring)Mar 2 – May 2
OnionsStart seeds indoors (spring)Jan 19 – Feb 15
OnionsTransplant outdoors (spring)Mar 19 – Apr 17
BroccoliStart seeds indoors (spring)Feb 12 – Mar 18
BroccoliTransplant outdoors (spring)Mar 19 – Apr 17
BroccoliStart seeds indoors (fall)Jul 15 – Jul 25
BroccoliTransplant outdoors (fall)Aug 14 – Aug 25
CabbageStart seeds indoors (spring)Feb 2 – Mar 2
CabbageTransplant outdoors (spring)Mar 2 – Apr 2
CabbageStart seeds indoors (fall)Jul 5 – Aug 4
CabbageTransplant outdoors (fall)Aug 4 – Sep 4
Leaf lettuceSow outdoors (spring)Mar 2 – May 18
Leaf lettuceSow outdoors (fall)Aug 4 – Sep 20
SpinachSow outdoors (spring)Feb 23 – Apr 8
SpinachSow outdoors (fall)Aug 21 – Sep 25
RadishesSow outdoors (spring)Mar 2 – Apr 22
RadishesSow outdoors (fall)Aug 4 – Oct 5
KaleSow outdoors (spring)Mar 19 – Apr 8
KaleSow outdoors (fall)Jul 28 – Sep 4
CarrotsSow outdoors (spring)Apr 2 – May 18
CarrotsSow outdoors (fall)Jul 5 – Aug 20
GarlicPlant outdoors (fall)Nov 4 – Dec 5

Where these dates come from

ZIP code 11432 is matched to the NOAA station New York Jfk Intl Ap, NY, 8.6 km away, at 11 ft elevation (107 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
New York Jfk Intl Ap, NY (used)11 ftApr 2Nov 14
New York Laguardia Ap, NY11 ftMar 26Nov 25
Bronx, NY39 ftApr 1Nov 16
Mineola, NY96 ftApr 2Nov 12

Frost dates near Jamaica

Frequently asked questions

When is the last frost in Jamaica, NY?
For ZIP code 11432, the average last spring frost (32°F) is April 2, based on NOAA 1991-2020 climate normals for the New York Jfk Intl Ap, NY weather station. There is a 1-in-10 chance of a frost after April 13.
When is the first frost in Jamaica, NY?
The average first fall frost (32°F) is November 14. There is a 1-in-10 chance of frost by November 2, so tender plants are at risk from that point on.
How long is the growing season in 11432?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 226 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.