FrostDateByZip

Frost dates for 15353Nineveh, PA

The average last spring frost in Nineveh is May 3 and the average first fall frost is October 15, giving a typical growing season of about 164 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 3

Safer after May 21 (1-in-10 risk)

Average first fall frost
Oct 15

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

Growing season
164 days

Last frost typically in 181 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 29 · May 14 · May 29Sep 23 · Oct 5 · Oct 18144 days100%
Frost / freeze (32°F)Apr 19 · May 3 · May 21Oct 2 · Oct 15 · Oct 28164 days100%
Hard freeze (28°F)Apr 7 · Apr 22 · May 11Oct 11 · Oct 25 · Nov 6184 days100%

Planting calendar for Nineveh

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 2 – Jun 8
TomatoesTransplant outdoorsMay 19 – Jun 25
PeppersStart seeds indoorsApr 2 – May 3
PeppersTransplant outdoorsJun 2 – Jul 3
EggplantStart seeds indoorsApr 19 – May 18
EggplantTransplant outdoorsJun 2 – Jul 3
CucumbersSow outdoorsJun 2 – Jul 5
Summer squashSow outdoorsMay 19 – Jul 3
Winter squash & pumpkinsSow outdoorsJun 2 – Jul 3
Snap beansSow outdoorsMay 19 – Jul 28
Sweet cornSow outdoorsMay 19 – Jun 25
Watermelon & cantaloupeSow outdoorsJun 2 – Jul 3
OkraSow outdoorsMay 26 – Jun 18
PeasSow outdoors (spring)Apr 2 – May 18
PotatoesPlant outdoors (spring)Apr 2 – Jun 2
OnionsStart seeds indoors (spring)Feb 19 – Mar 18
OnionsTransplant outdoors (spring)Apr 19 – May 18
BroccoliStart seeds indoors (spring)Mar 15 – Apr 18
BroccoliTransplant outdoors (spring)Apr 19 – May 18
BroccoliStart seeds indoors (fall)Jun 15 – Jun 25
BroccoliTransplant outdoors (fall)Jul 15 – Jul 26
CabbageStart seeds indoors (spring)Mar 5 – Apr 2
CabbageTransplant outdoors (spring)Apr 2 – May 3
CabbageStart seeds indoors (fall)Jun 5 – Jul 5
CabbageTransplant outdoors (fall)Jul 5 – Aug 5
Leaf lettuceSow outdoors (spring)Apr 2 – Jun 18
Leaf lettuceSow outdoors (fall)Jul 5 – Aug 21
SpinachSow outdoors (spring)Mar 26 – May 9
SpinachSow outdoors (fall)Jul 22 – Aug 26
RadishesSow outdoors (spring)Apr 2 – May 23
RadishesSow outdoors (fall)Jul 5 – Sep 5
KaleSow outdoors (spring)Apr 19 – May 9
KaleSow outdoors (fall)Jun 28 – Aug 5
CarrotsSow outdoors (spring)May 3 – Jun 18
CarrotsSow outdoors (fall)Jun 5 – Jul 21
GarlicPlant outdoors (fall)Oct 5 – Nov 5

Where these dates come from

ZIP code 15353 is matched to the NOAA station Waynesburg 1 E, PA, 14 km away, at 940 ft elevation (84 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Waynesburg 1 E, PA (used)940 ftMay 3Oct 15
Washington 3 Ne, PA1,300 ftApr 24Oct 23
Burton, WV1,240 ftMay 4Oct 12
Wheeling, WV645 ftApr 20Oct 29

Frost dates near Nineveh

Frequently asked questions

When is the last frost in Nineveh, PA?
For ZIP code 15353, the average last spring frost (32°F) is May 3, based on NOAA 1991-2020 climate normals for the Waynesburg 1 E, PA weather station. There is a 1-in-10 chance of a frost after May 21.
When is the first frost in Nineveh, PA?
The average first fall frost (32°F) is October 15. There is a 1-in-10 chance of frost by October 2, so tender plants are at risk from that point on.
How long is the growing season in 15353?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 164 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.