FrostDateByZip

Frost dates for 84753Modena, UT

The average last spring frost in Modena is May 20 and the average first fall frost is October 3, giving a typical growing season of about 136 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 20

Safer after Jun 6 (1-in-10 risk)

Average first fall frost
Oct 3

Possible by Sep 22 (1-in-10 risk)

Growing season
136 days

Last frost typically in 205 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 18 · Jun 3 · Jun 18Sep 13 · Sep 26 · Oct 7113 days100%
Frost / freeze (32°F)May 2 · May 20 · Jun 6Sep 22 · Oct 3 · Oct 16136 days100%
Hard freeze (28°F)Apr 18 · May 4 · May 25Sep 29 · Oct 12 · Oct 28158 days100%

Planting calendar for Modena

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 19 – Jun 25
TomatoesTransplant outdoorsJun 5 – Jun 13
PeppersStart seeds indoorsApr 19 – May 20
PeppersTransplant outdoorsJun 19 – Jul 20
EggplantStart seeds indoorsMay 6 – Jun 4
EggplantTransplant outdoorsJun 19 – Jul 20
CucumbersSow outdoorsJun 19 – Jun 23
Summer squashSow outdoorsJun 5 – Jul 20
Winter squash & pumpkinsSow outdoorsJun 19 – Jul 20
Snap beansSow outdoorsJun 5 – Jul 16
Sweet cornSow outdoorsJun 5 – Jun 13
Watermelon & cantaloupeSow outdoorsJun 19 – Jul 20
OkraSow outdoorsJun 12 – Jul 5
PeasSow outdoors (spring)Apr 19 – Jun 4
PotatoesPlant outdoors (spring)Apr 19 – Jun 19
OnionsStart seeds indoors (spring)Mar 8 – Apr 4
OnionsTransplant outdoors (spring)May 6 – Jun 4
BroccoliStart seeds indoors (spring)Apr 1 – May 5
BroccoliTransplant outdoors (spring)May 6 – Jun 4
BroccoliStart seeds indoors (fall)Jun 3 – Jun 13
BroccoliTransplant outdoors (fall)Jul 3 – Jul 14
CabbageStart seeds indoors (spring)Mar 22 – Apr 19
CabbageTransplant outdoors (spring)Apr 19 – May 20
CabbageStart seeds indoors (fall)May 24 – Jun 23
CabbageTransplant outdoors (fall)Jun 23 – Jul 24
Leaf lettuceSow outdoors (spring)Apr 19 – Jul 5
Leaf lettuceSow outdoors (fall)Jun 23 – Aug 9
SpinachSow outdoors (spring)Apr 12 – May 26
SpinachSow outdoors (fall)Jul 10 – Aug 14
RadishesSow outdoors (spring)Apr 19 – Jun 9
RadishesSow outdoors (fall)Jun 23 – Aug 24
KaleSow outdoors (spring)May 6 – May 26
KaleSow outdoors (fall)Jun 16 – Jul 24
CarrotsSow outdoors (spring)May 20 – Jul 5
CarrotsSow outdoors (fall)May 24 – Jul 9
GarlicPlant outdoors (fall)Sep 23 – Oct 24

Where these dates come from

ZIP code 84753 is matched to the NOAA station Modena, UT, 0.6 km away, at 5,460 ft elevation (9 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Modena, UT (used)5,460 ftMay 20Oct 3
Enterprise Beryl Jct, UT5,150 ftMay 31Sep 20
Enterprise, UT5,320 ftMay 21Oct 2
Spring Valley Sp, NV5,950 ft——

Frost dates near Modena

Frequently asked questions

When is the last frost in Modena, UT?
For ZIP code 84753, the average last spring frost (32°F) is May 20, based on NOAA 1991-2020 climate normals for the Modena, UT weather station. There is a 1-in-10 chance of a frost after June 6.
When is the first frost in Modena, UT?
The average first fall frost (32°F) is October 3. There is a 1-in-10 chance of frost by September 22, so tender plants are at risk from that point on.
How long is the growing season in 84753?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 136 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.