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Idaho · NOAA station USC00106877

Frost dates for Paul 1ene, ID

At Paul 1ene, the median last spring frost (32°F) is May 6 and the median first fall frost is Oct 6, for a typical growing season of 151 days. For a 90% chance that the last frost has passed, wait until May 22. Nearby ZIP codes are in USDA hardiness zone 6a.

  • May 6Last spring frost (median)50% chance of 32°F after this date
  • May 22Safer planting date10% chance of 32°F after this date
  • Oct 6First fall frost (median)50% chance of 32°F by this date
  • 151 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.

Paul 1ene: last spring freeze by temperature
Temperature90% chance later50% chance later10% chance later
36°FMay 7May 22Jun 12
32°FApr 23May 6May 22
28°FApr 7Apr 22May 7
24°FMar 13Apr 5Apr 26

First fall frost dates

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

Paul 1ene: first fall freeze by temperature
Temperature10% chance by50% chance by90% chance by
36°FSep 7Sep 24Oct 8
32°FSep 22Oct 6Oct 19
28°FOct 3Oct 18Nov 1
24°FOct 16Oct 29Nov 13

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.

Paul 1ene: growing season by temperature
Temperature9 in 10 years at least5 in 10 years at least1 in 10 years at least
36°F98 days123 days144 days
32°F129 days151 days171 days
28°F156 days177 days196 days
24°F178 days204 days232 days

Chance of a freeze in any year

Paul 1ene: 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 Paul 1ene with 2023 USDA hardiness zones
ZIPHardiness zoneAvg. extreme lowDistance
833476a-10 to -5°F5 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 USC00106877, at 42.6117, -113.7628, elevation 1265 m (4,150 ft).
  • Data quality: Standard (24+ years of data), 26 years of freeze data.
  • Average days per year at or below 32°F: 159.
  • 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 Idaho stations · How frost dates are calculated