FrostDateByZip

Frost dates for 45672Ray, OH

The average last spring frost in Ray is April 22 and the average first fall frost is October 21, giving a typical growing season of about 181 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 22

Safer after May 11 (1-in-10 risk)

Average first fall frost
Oct 21

Possible by Oct 9 (1-in-10 risk)

Growing season
181 days

Last frost typically in 172 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 18 · May 4 · May 22Sep 30 · Oct 12 · Oct 23160 days100%
Frost / freeze (32°F)Apr 7 · Apr 22 · May 11Oct 9 · Oct 21 · Nov 1181 days100%
Hard freeze (28°F)Mar 25 · Apr 9 · Apr 26Oct 19 · Nov 1 · Nov 17205 days100%

Planting calendar for Ray

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 22 – May 28
TomatoesTransplant outdoorsMay 8 – Jul 1
PeppersStart seeds indoorsMar 22 – Apr 22
PeppersTransplant outdoorsMay 22 – Jun 22
EggplantStart seeds indoorsApr 8 – May 7
EggplantTransplant outdoorsMay 22 – Jun 22
CucumbersSow outdoorsMay 22 – Jul 11
Summer squashSow outdoorsMay 8 – Jun 22
Winter squash & pumpkinsSow outdoorsMay 22 – Jun 22
Snap beansSow outdoorsMay 8 – Aug 3
Sweet cornSow outdoorsMay 8 – Jul 1
Watermelon & cantaloupeSow outdoorsMay 22 – Jun 22
OkraSow outdoorsMay 15 – Jun 7
PeasSow outdoors (spring)Mar 22 – May 7
PotatoesPlant outdoors (spring)Mar 22 – May 22
OnionsStart seeds indoors (spring)Feb 8 – Mar 7
OnionsTransplant outdoors (spring)Apr 8 – May 7
BroccoliStart seeds indoors (spring)Mar 4 – Apr 7
BroccoliTransplant outdoors (spring)Apr 8 – May 7
BroccoliStart seeds indoors (fall)Jun 21 – Jul 1
BroccoliTransplant outdoors (fall)Jul 21 – Aug 1
CabbageStart seeds indoors (spring)Feb 22 – Mar 22
CabbageTransplant outdoors (spring)Mar 22 – Apr 22
CabbageStart seeds indoors (fall)Jun 11 – Jul 11
CabbageTransplant outdoors (fall)Jul 11 – Aug 11
Leaf lettuceSow outdoors (spring)Mar 22 – Jun 7
Leaf lettuceSow outdoors (fall)Jul 11 – Aug 27
SpinachSow outdoors (spring)Mar 15 – Apr 28
SpinachSow outdoors (fall)Jul 28 – Sep 1
RadishesSow outdoors (spring)Mar 22 – May 12
RadishesSow outdoors (fall)Jul 11 – Sep 11
KaleSow outdoors (spring)Apr 8 – Apr 28
KaleSow outdoors (fall)Jul 4 – Aug 11
CarrotsSow outdoors (spring)Apr 22 – Jun 7
CarrotsSow outdoors (fall)Jun 11 – Jul 27
GarlicPlant outdoors (fall)Oct 11 – Nov 11

Where these dates come from

ZIP code 45672 is matched to the NOAA station Jackson 3 Nw, OH, 14.4 km away, at 845 ft elevation (232 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Jackson 3 Nw, OH (used)845 ftApr 22Oct 21
Waverly, OH572 ftApr 21Oct 22
Chillicothe Mound City, OH650 ftApr 20Oct 22
Carpenter 2 S, OH822 ftApr 27Oct 14

Frost dates near Ray

Frequently asked questions

When is the last frost in Ray, OH?
For ZIP code 45672, the average last spring frost (32°F) is April 22, based on NOAA 1991-2020 climate normals for the Jackson 3 Nw, OH weather station. There is a 1-in-10 chance of a frost after May 11.
When is the first frost in Ray, OH?
The average first fall frost (32°F) is October 21. There is a 1-in-10 chance of frost by October 9, so tender plants are at risk from that point on.
How long is the growing season in 45672?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 181 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.