FrostDateByZip

Frost dates for 69355Melbeta, NE

The average last spring frost in Melbeta is May 5 and the average first fall frost is October 4, giving a typical growing season of about 149 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 5

Safer after May 18 (1-in-10 risk)

Average first fall frost
Oct 4

Possible by Sep 21 (1-in-10 risk)

Growing season
149 days

Last frost typically in 190 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 5 · May 16 · May 31Sep 12 · Sep 25 · Oct 6130 days100%
Frost / freeze (32°F)Apr 25 · May 5 · May 18Sep 21 · Oct 4 · Oct 15149 days100%
Hard freeze (28°F)Apr 14 · Apr 28 · May 9Sep 30 · Oct 13 · Oct 24167 days100%

Planting calendar for Melbeta

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 4 – Jun 10
TomatoesTransplant outdoorsMay 21 – Jun 14
PeppersStart seeds indoorsApr 4 – May 5
PeppersTransplant outdoorsJun 4 – Jul 5
EggplantStart seeds indoorsApr 21 – May 20
EggplantTransplant outdoorsJun 4 – Jul 5
CucumbersSow outdoorsJun 4 – Jun 24
Summer squashSow outdoorsMay 21 – Jul 5
Winter squash & pumpkinsSow outdoorsJun 4 – Jul 5
Snap beansSow outdoorsMay 21 – Jul 17
Sweet cornSow outdoorsMay 21 – Jun 14
Watermelon & cantaloupeSow outdoorsJun 4 – Jul 5
OkraSow outdoorsMay 28 – Jun 20
PeasSow outdoors (spring)Apr 4 – May 20
PotatoesPlant outdoors (spring)Apr 4 – Jun 4
OnionsStart seeds indoors (spring)Feb 21 – Mar 20
OnionsTransplant outdoors (spring)Apr 21 – May 20
BroccoliStart seeds indoors (spring)Mar 17 – Apr 20
BroccoliTransplant outdoors (spring)Apr 21 – May 20
BroccoliStart seeds indoors (fall)Jun 4 – Jun 14
BroccoliTransplant outdoors (fall)Jul 4 – Jul 15
CabbageStart seeds indoors (spring)Mar 7 – Apr 4
CabbageTransplant outdoors (spring)Apr 4 – May 5
CabbageStart seeds indoors (fall)May 25 – Jun 24
CabbageTransplant outdoors (fall)Jun 24 – Jul 25
Leaf lettuceSow outdoors (spring)Apr 4 – Jun 20
Leaf lettuceSow outdoors (fall)Jun 24 – Aug 10
SpinachSow outdoors (spring)Mar 28 – May 11
SpinachSow outdoors (fall)Jul 11 – Aug 15
RadishesSow outdoors (spring)Apr 4 – May 25
RadishesSow outdoors (fall)Jun 24 – Aug 25
KaleSow outdoors (spring)Apr 21 – May 11
KaleSow outdoors (fall)Jun 17 – Jul 25
CarrotsSow outdoors (spring)May 5 – Jun 20
CarrotsSow outdoors (fall)May 25 – Jul 10
GarlicPlant outdoors (fall)Sep 24 – Oct 25

Where these dates come from

ZIP code 69355 is matched to the NOAA station Scottsbluff Heilig Ap, NE, 11.7 km away, at 3,945 ft elevation (119 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Scottsbluff Heilig Ap, NE (used)3,945 ftMay 5Oct 4
Scottsbluff 1E, NE3,909 ftMay 8Oct 3
Minatare Dam (Usbr), NE4,144 ftMay 5Oct 11
Mitchell 5E, NE4,080 ftMay 7Oct 2

Frost dates near Melbeta

Frequently asked questions

When is the last frost in Melbeta, NE?
For ZIP code 69355, the average last spring frost (32°F) is May 5, based on NOAA 1991-2020 climate normals for the Scottsbluff Heilig Ap, NE weather station. There is a 1-in-10 chance of a frost after May 18.
When is the first frost in Melbeta, NE?
The average first fall frost (32°F) is October 4. There is a 1-in-10 chance of frost by September 21, so tender plants are at risk from that point on.
How long is the growing season in 69355?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 149 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.