FrostDateByZip

Frost dates for 42408Dawson Springs, KY

The average last spring frost in Dawson Springs is April 11 and the average first fall frost is October 24, giving a typical growing season of about 196 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 11

Safer after Apr 30 (1-in-10 risk)

Average first fall frost
Oct 24

Possible by Oct 12 (1-in-10 risk)

Growing season
196 days

Last frost typically in 159 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 8 · Apr 23 · May 9Oct 5 · Oct 16 · Oct 27175 days100%
Frost / freeze (32°F)Mar 25 · Apr 11 · Apr 30Oct 12 · Oct 24 · Nov 5196 days100%
Hard freeze (28°F)Mar 12 · Mar 30 · Apr 16Oct 20 · Nov 2 · Nov 18217 days100%

Planting calendar for Dawson Springs

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 11 – May 17
TomatoesTransplant outdoorsApr 27 – Jul 4
PeppersStart seeds indoorsMar 11 – Apr 11
PeppersTransplant outdoorsMay 11 – Jun 11
EggplantStart seeds indoorsMar 28 – Apr 26
EggplantTransplant outdoorsMay 11 – Jun 11
CucumbersSow outdoorsMay 11 – Jul 14
Summer squashSow outdoorsApr 27 – Jun 11
Winter squash & pumpkinsSow outdoorsMay 11 – Jun 11
Snap beansSow outdoorsApr 27 – Aug 6
Sweet cornSow outdoorsApr 27 – Jul 4
Watermelon & cantaloupeSow outdoorsMay 11 – Jun 11
OkraSow outdoorsMay 4 – May 27
PeasSow outdoors (spring)Mar 11 – Apr 26
PotatoesPlant outdoors (spring)Mar 11 – May 11
OnionsStart seeds indoors (spring)Jan 28 – Feb 24
OnionsTransplant outdoors (spring)Mar 28 – Apr 26
BroccoliStart seeds indoors (spring)Feb 21 – Mar 27
BroccoliTransplant outdoors (spring)Mar 28 – Apr 26
BroccoliStart seeds indoors (fall)Jun 24 – Jul 4
BroccoliTransplant outdoors (fall)Jul 24 – Aug 4
CabbageStart seeds indoors (spring)Feb 11 – Mar 11
CabbageTransplant outdoors (spring)Mar 11 – Apr 11
CabbageStart seeds indoors (fall)Jun 14 – Jul 14
CabbageTransplant outdoors (fall)Jul 14 – Aug 14
Leaf lettuceSow outdoors (spring)Mar 11 – May 27
Leaf lettuceSow outdoors (fall)Jul 14 – Aug 30
SpinachSow outdoors (spring)Mar 4 – Apr 17
SpinachSow outdoors (fall)Jul 31 – Sep 4
RadishesSow outdoors (spring)Mar 11 – May 1
RadishesSow outdoors (fall)Jul 14 – Sep 14
KaleSow outdoors (spring)Mar 28 – Apr 17
KaleSow outdoors (fall)Jul 7 – Aug 14
CarrotsSow outdoors (spring)Apr 11 – May 27
CarrotsSow outdoors (fall)Jun 14 – Jul 30
GarlicPlant outdoors (fall)Oct 14 – Nov 14

Where these dates come from

ZIP code 42408 is matched to the NOAA station Princeton 1 Se, KY, 18.3 km away, at 497 ft elevation (57 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Princeton 1 Se, KY (used)497 ftApr 11Oct 24
Madisonville, KY425 ftApr 2Nov 1
Providence, KY409 ftApr 7Oct 28
Eddyville 5S, KY523 ftMar 27Nov 8

Frost dates near Dawson Springs

Frequently asked questions

When is the last frost in Dawson Springs, KY?
For ZIP code 42408, the average last spring frost (32°F) is April 11, based on NOAA 1991-2020 climate normals for the Princeton 1 Se, KY weather station. There is a 1-in-10 chance of a frost after April 30.
When is the first frost in Dawson Springs, KY?
The average first fall frost (32°F) is October 24. There is a 1-in-10 chance of frost by October 12, so tender plants are at risk from that point on.
How long is the growing season in 42408?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 196 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.