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Colorado · NOAA station USC00051443

Frost dates for Cedaredge 3e, CO

At Cedaredge 3e, the median last spring frost (32°F) is May 3 and the median first fall frost is Oct 9, for a typical growing season of 156 days. For a 90% chance that the last frost has passed, wait until May 21. Nearby ZIP codes are in USDA hardiness zones 5b to 6b.

  • May 3Last spring frost (median)50% chance of 32°F after this date
  • May 21Safer planting date10% chance of 32°F after this date
  • Oct 9First fall frost (median)50% chance of 32°F by this date
  • 156 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.

Cedaredge 3e: last spring freeze by temperature
Temperature90% chance later50% chance later10% chance later
36°FMay 1May 18Jun 4
32°FApr 22May 3May 21
28°FApr 8Apr 25May 10
24°FMar 22Apr 11Apr 30

First fall frost dates

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

Cedaredge 3e: first fall freeze by temperature
Temperature10% chance by50% chance by90% chance by
36°FSep 19Oct 2Oct 15
32°FSep 27Oct 9Oct 24
28°FOct 4Oct 19Nov 4
24°FOct 15Oct 30Nov 15

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.

Cedaredge 3e: growing season by temperature
Temperature9 in 10 years at least5 in 10 years at least1 in 10 years at least
36°F116 days136 days155 days
32°F135 days156 days177 days
28°F156 days177 days198 days
24°F178 days201 days226 days

Chance of a freeze in any year

Cedaredge 3e: probability of at least one day at or below each temperature
TemperatureChance per year
36°F100%
32°F100%
28°F100%
24°F100%

ZIP codes whose closest station is this one

ZIP codes near Cedaredge 3e with 2023 USDA hardiness zones
ZIPHardiness zoneAvg. extreme lowDistance
814135b-15 to -10°F8 km
814186b-5 to 0°F14 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 USC00051443, at 38.9044, -107.8914, elevation 2084 m (6,838 ft).
  • Data quality: Representative (10+ years), 23 years of freeze data.
  • Average days per year at or below 32°F: 150.
  • 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 Colorado stations · How frost dates are calculated