FrostDateByZip

Frost dates for 12923Churubusco, NY

The average last spring frost in Churubusco is May 6 and the average first fall frost is October 11, giving a typical growing season of about 157 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 6

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

Average first fall frost
Oct 11

Possible by Sep 29 (1-in-10 risk)

Growing season
157 days

Last frost typically in 184 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 3 · May 16 · May 30Sep 19 · Oct 1 · Oct 12136 days100%
Frost / freeze (32°F)Apr 23 · May 6 · May 21Sep 29 · Oct 11 · Oct 26157 days100%
Hard freeze (28°F)Apr 14 · Apr 26 · May 9Oct 8 · Oct 22 · Nov 5178 days100%

Planting calendar for Churubusco

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 5 – Jun 11
TomatoesTransplant outdoorsMay 22 – Jun 21
PeppersStart seeds indoorsApr 5 – May 6
PeppersTransplant outdoorsJun 5 – Jul 6
EggplantStart seeds indoorsApr 22 – May 21
EggplantTransplant outdoorsJun 5 – Jul 6
CucumbersSow outdoorsJun 5 – Jul 1
Summer squashSow outdoorsMay 22 – Jul 6
Winter squash & pumpkinsSow outdoorsJun 5 – Jul 6
Snap beansSow outdoorsMay 22 – Jul 24
Sweet cornSow outdoorsMay 22 – Jun 21
Watermelon & cantaloupeSow outdoorsJun 5 – Jul 6
OkraSow outdoorsMay 29 – Jun 21
PeasSow outdoors (spring)Apr 5 – May 21
PotatoesPlant outdoors (spring)Apr 5 – Jun 5
OnionsStart seeds indoors (spring)Feb 22 – Mar 21
OnionsTransplant outdoors (spring)Apr 22 – May 21
BroccoliStart seeds indoors (spring)Mar 18 – Apr 21
BroccoliTransplant outdoors (spring)Apr 22 – May 21
BroccoliStart seeds indoors (fall)Jun 11 – Jun 21
BroccoliTransplant outdoors (fall)Jul 11 – Jul 22
CabbageStart seeds indoors (spring)Mar 8 – Apr 5
CabbageTransplant outdoors (spring)Apr 5 – May 6
CabbageStart seeds indoors (fall)Jun 1 – Jul 1
CabbageTransplant outdoors (fall)Jul 1 – Aug 1
Leaf lettuceSow outdoors (spring)Apr 5 – Jun 21
Leaf lettuceSow outdoors (fall)Jul 1 – Aug 17
SpinachSow outdoors (spring)Mar 29 – May 12
SpinachSow outdoors (fall)Jul 18 – Aug 22
RadishesSow outdoors (spring)Apr 5 – May 26
RadishesSow outdoors (fall)Jul 1 – Sep 1
KaleSow outdoors (spring)Apr 22 – May 12
KaleSow outdoors (fall)Jun 24 – Aug 1
CarrotsSow outdoors (spring)May 6 – Jun 21
CarrotsSow outdoors (fall)Jun 1 – Jul 17
GarlicPlant outdoors (fall)Oct 1 – Nov 1

Where these dates come from

ZIP code 12923 is matched to the NOAA station Dannemora, NY, 30.1 km away, at 1,340 ft elevation (119 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Dannemora, NY (used)1,340 ftMay 6Oct 11
Ellenburg Depot, NY950 ftMay 10Oct 2
Malone, NY878 ftMay 6Oct 4
Chazy, NY157 ftApr 30Oct 12

Frost dates near Churubusco

Frequently asked questions

When is the last frost in Churubusco, NY?
For ZIP code 12923, the average last spring frost (32°F) is May 6, based on NOAA 1991-2020 climate normals for the Dannemora, NY weather station. There is a 1-in-10 chance of a frost after May 21.
When is the first frost in Churubusco, NY?
The average first fall frost (32°F) is October 11. There is a 1-in-10 chance of frost by September 29, so tender plants are at risk from that point on.
How long is the growing season in 12923?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 157 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.