FrostDateByZip

Frost dates for 14747Kennedy, NY

The average last spring frost in Kennedy is May 8 and the average first fall frost is October 13, giving a typical growing season of about 158 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 8

Safer after May 25 (1-in-10 risk)

Average first fall frost
Oct 13

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

Growing season
158 days

Last frost typically in 186 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)May 4 · May 20 · Jun 2Sep 19 · Oct 1 · Oct 14135 days100%
Frost / freeze (32°F)Apr 22 · May 8 · May 25Oct 1 · Oct 13 · Oct 30158 days100%
Hard freeze (28°F)Apr 9 · Apr 25 · May 13Oct 10 · Oct 28 · Nov 12184 days100%

Planting calendar for Kennedy

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 indoorsApr 7 – Jun 13
TomatoesTransplant outdoorsMay 24 – Jun 23
PeppersStart seeds indoorsApr 7 – May 8
PeppersTransplant outdoorsJun 7 – Jul 8
EggplantStart seeds indoorsApr 24 – May 23
EggplantTransplant outdoorsJun 7 – Jul 8
CucumbersSow outdoorsJun 7 – Jul 3
Summer squashSow outdoorsMay 24 – Jul 8
Winter squash & pumpkinsSow outdoorsJun 7 – Jul 8
Snap beansSow outdoorsMay 24 – Jul 26
Sweet cornSow outdoorsMay 24 – Jun 23
Watermelon & cantaloupeSow outdoorsJun 7 – Jul 8
OkraSow outdoorsMay 31 – Jun 23
PeasSow outdoors (spring)Apr 7 – May 23
PotatoesPlant outdoors (spring)Apr 7 – Jun 7
OnionsStart seeds indoors (spring)Feb 24 – Mar 23
OnionsTransplant outdoors (spring)Apr 24 – May 23
BroccoliStart seeds indoors (spring)Mar 20 – Apr 23
BroccoliTransplant outdoors (spring)Apr 24 – May 23
BroccoliStart seeds indoors (fall)Jun 13 – Jun 23
BroccoliTransplant outdoors (fall)Jul 13 – Jul 24
CabbageStart seeds indoors (spring)Mar 10 – Apr 7
CabbageTransplant outdoors (spring)Apr 7 – May 8
CabbageStart seeds indoors (fall)Jun 3 – Jul 3
CabbageTransplant outdoors (fall)Jul 3 – Aug 3
Leaf lettuceSow outdoors (spring)Apr 7 – Jun 23
Leaf lettuceSow outdoors (fall)Jul 3 – Aug 19
SpinachSow outdoors (spring)Mar 31 – May 14
SpinachSow outdoors (fall)Jul 20 – Aug 24
RadishesSow outdoors (spring)Apr 7 – May 28
RadishesSow outdoors (fall)Jul 3 – Sep 3
KaleSow outdoors (spring)Apr 24 – May 14
KaleSow outdoors (fall)Jun 26 – Aug 3
CarrotsSow outdoors (spring)May 8 – Jun 23
CarrotsSow outdoors (fall)Jun 3 – Jul 19
GarlicPlant outdoors (fall)Oct 3 – Nov 3

Where these dates come from

ZIP code 14747 is matched to the NOAA station Jamestown 4 Ene, NY, 6.9 km away, at 1,250 ft elevation (62 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Jamestown 4 Ene, NY (used)1,250 ftMay 8Oct 13
Little Valley, NY1,625 ftMay 17Oct 1
Allegany Sp, NY1,500 ftMay 12Oct 9
Chandlers Valley 1Se, PA1,490 ftMay 22Sep 30

Frost dates near Kennedy

Frequently asked questions

When is the last frost in Kennedy, NY?
For ZIP code 14747, the average last spring frost (32°F) is May 8, based on NOAA 1991-2020 climate normals for the Jamestown 4 Ene, NY weather station. There is a 1-in-10 chance of a frost after May 25.
When is the first frost in Kennedy, NY?
The average first fall frost (32°F) is October 13. There is a 1-in-10 chance of frost by October 1, so tender plants are at risk from that point on.
How long is the growing season in 14747?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 158 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.