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Utah · NOAA station USC00429045

Frost dates for Valley Of The Gods, UT

At Valley Of The Gods, the median last spring frost (32°F) is Mar 29 and the median first fall frost is Nov 6, for a typical growing season of 223 days. For a 90% chance that the last frost has passed, wait until Apr 15. Nearby ZIP codes are in USDA hardiness zones 7a to 8a.

  • Mar 29Last spring frost (median)50% chance of 32°F after this date
  • Apr 15Safer planting date10% chance of 32°F after this date
  • Nov 6First fall frost (median)50% chance of 32°F by this date
  • 223 daysGrowing season (median)between 32°F freezes

Planting date calculator

Pick how much frost risk you accept and how many weeks before or after the last frost your seed packet says to plant.

From your seed packet, e.g. “start 6 weeks before last frost”.

–Last spring frost
–First fall frost
–Your planting date
–Hardiness zone

Last spring frost dates

The chance that the temperature drops to the threshold after each date.

Valley Of The Gods: last spring freeze by temperature
Temperature90% chance later50% chance later10% chance later
36°FMar 29Apr 14May 2
32°FMar 8Mar 29Apr 15
28°FFeb 19Mar 8Mar 31
24°FFeb 2Feb 22Mar 11

First fall frost dates

The chance that the temperature has dropped to the threshold by each date.

Valley Of The Gods: first fall freeze by temperature
Temperature10% chance by50% chance by90% chance by
36°FOct 13Oct 28Nov 10
32°FOct 23Nov 6Nov 19
28°FNov 3Nov 17Nov 30
24°FNov 11Nov 26Dec 12

Growing season length

Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.

Valley Of The Gods: growing season by temperature
Temperature9 in 10 years at least5 in 10 years at least1 in 10 years at least
36°F173 days195 days217 days
32°F200 days223 days246 days
28°F225 days250 days274 days
24°F251 days278 days302 days

Chance of a freeze in any year

Valley Of The Gods: probability of at least one day at or below each temperature
TemperatureChance per year
36°F100%
32°F100%
28°F100%
24°F100%

Closest ZIP codes (each is closer to another station)

ZIP codes near Valley Of The Gods with 2023 USDA hardiness zones
ZIPHardiness zoneAvg. extreme lowDistance
845317b5 to 10°F25 km
845368a10 to 15°F30 km
845127a0 to 5°F34 km
865357a0 to 5°F50 km
845117a0 to 5°F54 km
845338a10 to 15°F56 km
845347a0 to 5°F59 km
865147a0 to 5°F67 km

Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.

About this station

  • NOAA station ID USC00429045, at 37.2681, -109.9272, elevation 1612 m (5,287 ft).
  • Data quality: Estimated from nearby stations (2+ years), 6 years of freeze data.
  • Average days per year at or below 32°F: 83.
  • Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.

Nearby weather stations

Sources

Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.

All Utah stations · How frost dates are calculated