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California · NOAA station USC00042147

Frost dates for Crescent City 3 NNW, CA

At Crescent City 3 NNW, the median last spring frost (32°F) is Mar 11 and the median first fall frost is Nov 23, for a typical growing season of 256 days. For a 90% chance that the last frost has passed, wait until Apr 12. Nearby ZIP codes are in USDA hardiness zone 9b.

  • Mar 11Last spring frost (median)50% chance of 32°F after this date
  • Apr 12Safer planting date10% chance of 32°F after this date
  • Nov 23First fall frost (median)50% chance of 32°F by this date
  • 256 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.

Crescent City 3 NNW: last spring freeze by temperature
Temperature90% chance later50% chance later10% chance later
36°FMar 27Apr 23May 19
32°FJan 31Mar 11Apr 12
28°FDec 8Jan 17Mar 7
24°FDec 6Dec 30Jan 22

First fall frost dates

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

Crescent City 3 NNW: first fall freeze by temperature
Temperature10% chance by50% chance by90% chance by
36°FOct 10Nov 1Nov 20
32°FNov 1Nov 23Dec 25
28°FNov 18Dec 17Feb 15
24°FDec 1Dec 23Jan 20

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.

Crescent City 3 NNW: growing season by temperature
Temperature9 in 10 years at least5 in 10 years at least1 in 10 years at least
36°F154 days190 days225 days
32°F216 days256 days307 days
28°F288 days336 days365 days
24°F350 days365 days365 days

Chance of a freeze in any year

Crescent City 3 NNW: probability of at least one day at or below each temperature
TemperatureChance per year
36°F100%
32°F99%
28°F75%
24°F18%

ZIP codes whose closest station is this one

ZIP codes near Crescent City 3 NNW with 2023 USDA hardiness zones
ZIPHardiness zoneAvg. extreme lowDistance
955389b25 to 30°F9 km
955319b25 to 30°F10 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 USC00042147, at 41.7958, -124.2147, elevation 13 m (43 ft).
  • Data quality: Representative (10+ years), 20 years of freeze data.
  • Average days per year at or below 32°F: 16.
  • 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 California stations · How frost dates are calculated