FrostDateByZip

Frost dates for 56244Hancock, MN

The average last spring frost in Hancock is May 4 and the average first fall frost is October 1, giving a typical growing season of about 150 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 4

Safer after May 17 (1-in-10 risk)

Average first fall frost
Oct 1

Possible by Sep 19 (1-in-10 risk)

Growing season
150 days

Last frost typically in 182 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 1 · May 13 · May 28Sep 9 · Sep 23 · Oct 4132 days100%
Frost / freeze (32°F)Apr 21 · May 4 · May 17Sep 19 · Oct 1 · Oct 17150 days100%
Hard freeze (28°F)Apr 9 · Apr 24 · May 7Sep 27 · Oct 11 · Oct 25170 days100%

Planting calendar for Hancock

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 3 – Jun 9
TomatoesTransplant outdoorsMay 20 – Jun 11
PeppersStart seeds indoorsApr 3 – May 4
PeppersTransplant outdoorsJun 3 – Jul 4
EggplantStart seeds indoorsApr 20 – May 19
EggplantTransplant outdoorsJun 3 – Jul 4
CucumbersSow outdoorsJun 3 – Jun 21
Summer squashSow outdoorsMay 20 – Jul 4
Winter squash & pumpkinsSow outdoorsJun 3 – Jul 4
Snap beansSow outdoorsMay 20 – Jul 14
Sweet cornSow outdoorsMay 20 – Jun 11
Watermelon & cantaloupeSow outdoorsJun 3 – Jul 4
OkraSow outdoorsMay 27 – Jun 19
PeasSow outdoors (spring)Apr 3 – May 19
PotatoesPlant outdoors (spring)Apr 3 – Jun 3
OnionsStart seeds indoors (spring)Feb 20 – Mar 19
OnionsTransplant outdoors (spring)Apr 20 – May 19
BroccoliStart seeds indoors (spring)Mar 16 – Apr 19
BroccoliTransplant outdoors (spring)Apr 20 – May 19
BroccoliStart seeds indoors (fall)Jun 1 – Jun 11
BroccoliTransplant outdoors (fall)Jul 1 – Jul 12
CabbageStart seeds indoors (spring)Mar 6 – Apr 3
CabbageTransplant outdoors (spring)Apr 3 – May 4
CabbageStart seeds indoors (fall)May 22 – Jun 21
CabbageTransplant outdoors (fall)Jun 21 – Jul 22
Leaf lettuceSow outdoors (spring)Apr 3 – Jun 19
Leaf lettuceSow outdoors (fall)Jun 21 – Aug 7
SpinachSow outdoors (spring)Mar 27 – May 10
SpinachSow outdoors (fall)Jul 8 – Aug 12
RadishesSow outdoors (spring)Apr 3 – May 24
RadishesSow outdoors (fall)Jun 21 – Aug 22
KaleSow outdoors (spring)Apr 20 – May 10
KaleSow outdoors (fall)Jun 14 – Jul 22
CarrotsSow outdoors (spring)May 4 – Jun 19
CarrotsSow outdoors (fall)May 22 – Jul 7
GarlicPlant outdoors (fall)Sep 21 – Oct 22

Where these dates come from

ZIP code 56244 is matched to the NOAA station Morris W Cntrl Rsch & Outreach, MN, 11.7 km away, at 1,140 ft elevation (21 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Morris W Cntrl Rsch & Outreach, MN (used)1,140 ftMay 4Oct 1
Benson, MN1,030 ftMay 4Oct 3
Artichoke Lake 1 E, MN1,098 ftMay 1Oct 8
Glenwood 2Wnw, MN1,198 ftMay 11Sep 27

Frost dates near Hancock

Frequently asked questions

When is the last frost in Hancock, MN?
For ZIP code 56244, the average last spring frost (32°F) is May 4, based on NOAA 1991-2020 climate normals for the Morris W Cntrl Rsch & Outreach, MN weather station. There is a 1-in-10 chance of a frost after May 17.
When is the first frost in Hancock, MN?
The average first fall frost (32°F) is October 1. There is a 1-in-10 chance of frost by September 19, so tender plants are at risk from that point on.
How long is the growing season in 56244?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 150 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.