FrostDateByZip

Frost dates for 84760Paragonah, UT

The average last spring frost in Paragonah is May 21 and the average first fall frost is September 29, giving a typical growing season of about 130 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 21

Safer after Jun 8 (1-in-10 risk)

Average first fall frost
Sep 29

Possible by Sep 17 (1-in-10 risk)

Growing season
130 days

Last frost typically in 206 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 19 · Jun 3 · Jun 18Sep 8 · Sep 21 · Oct 1109 days100%
Frost / freeze (32°F)May 4 · May 21 · Jun 8Sep 17 · Sep 29 · Oct 14130 days100%
Hard freeze (28°F)Apr 21 · May 6 · May 25Sep 26 · Oct 9 · Oct 24155 days100%

Planting calendar for Paragonah

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 20 – Jun 26
TomatoesTransplant outdoorsJun 6 – Jun 9
PeppersStart seeds indoorsApr 20 – May 21
PeppersTransplant outdoorsJun 20 – Jul 21
EggplantStart seeds indoorsMay 7 – Jun 5
EggplantTransplant outdoorsJun 20 – Jul 21
CucumbersSow outdoorsJun 20 – Jun 19
Summer squashSow outdoorsJun 6 – Jul 21
Winter squash & pumpkinsSow outdoorsJun 20 – Jul 21
Snap beansSow outdoorsJun 6 – Jul 12
Sweet cornSow outdoorsJun 6 – Jun 9
Watermelon & cantaloupeSow outdoorsJun 20 – Jul 21
OkraSow outdoorsJun 13 – Jul 6
PeasSow outdoors (spring)Apr 20 – Jun 5
PotatoesPlant outdoors (spring)Apr 20 – Jun 20
OnionsStart seeds indoors (spring)Mar 9 – Apr 5
OnionsTransplant outdoors (spring)May 7 – Jun 5
BroccoliStart seeds indoors (spring)Apr 2 – May 6
BroccoliTransplant outdoors (spring)May 7 – Jun 5
BroccoliStart seeds indoors (fall)May 30 – Jun 9
BroccoliTransplant outdoors (fall)Jun 29 – Jul 10
CabbageStart seeds indoors (spring)Mar 23 – Apr 20
CabbageTransplant outdoors (spring)Apr 20 – May 21
CabbageStart seeds indoors (fall)May 20 – Jun 19
CabbageTransplant outdoors (fall)Jun 19 – Jul 20
Leaf lettuceSow outdoors (spring)Apr 20 – Jul 6
Leaf lettuceSow outdoors (fall)Jun 19 – Aug 5
SpinachSow outdoors (spring)Apr 13 – May 27
SpinachSow outdoors (fall)Jul 6 – Aug 10
RadishesSow outdoors (spring)Apr 20 – Jun 10
RadishesSow outdoors (fall)Jun 19 – Aug 20
KaleSow outdoors (spring)May 7 – May 27
KaleSow outdoors (fall)Jun 12 – Jul 20
CarrotsSow outdoors (spring)May 21 – Jul 6
CarrotsSow outdoors (fall)May 20 – Jul 5
GarlicPlant outdoors (fall)Sep 19 – Oct 20

Where these dates come from

ZIP code 84760 is matched to the NOAA station Cedar City Muni Ap, UT, 34.7 km away, at 5,586 ft elevation (277 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Cedar City Muni Ap, UT (used)5,586 ftMay 21Sep 29
Brian Head, UT9,770 ftJun 21Sep 12
Panguitch, UT6,647 ftJun 12Sep 12
Cedar Breaks Nm, UT10,373 ftJun 11Oct 3

Frost dates near Paragonah

Frequently asked questions

When is the last frost in Paragonah, UT?
For ZIP code 84760, the average last spring frost (32°F) is May 21, based on NOAA 1991-2020 climate normals for the Cedar City Muni Ap, UT weather station. There is a 1-in-10 chance of a frost after June 8.
When is the first frost in Paragonah, UT?
The average first fall frost (32°F) is September 29. There is a 1-in-10 chance of frost by September 17, so tender plants are at risk from that point on.
How long is the growing season in 84760?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 130 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.