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Kansas · NOAA station USC00147922

Frost dates for Sublette 7wsw, KS

At Sublette 7wsw, the median last spring frost (32°F) is Apr 23 and the median first fall frost is Oct 21, for a typical growing season of 179 days. For a 90% chance that the last frost has passed, wait until May 5. Nearby ZIP codes are in USDA hardiness zone 6b.

  • Apr 23Last spring frost (median)50% chance of 32°F after this date
  • May 5Safer planting date10% chance of 32°F after this date
  • Oct 21First fall frost (median)50% chance of 32°F by this date
  • 179 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.

Sublette 7wsw: last spring freeze by temperature
Temperature90% chance later50% chance later10% chance later
36°FApr 18May 1May 14
32°FApr 7Apr 23May 5
28°FMar 27Apr 12Apr 28
24°FMar 11Apr 1Apr 19

First fall frost dates

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

Sublette 7wsw: first fall freeze by temperature
Temperature10% chance by50% chance by90% chance by
36°FSep 27Oct 11Oct 23
32°FOct 5Oct 21Nov 2
28°FOct 15Oct 29Nov 9
24°FOct 22Nov 5Nov 19

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.

Sublette 7wsw: growing season by temperature
Temperature9 in 10 years at least5 in 10 years at least1 in 10 years at least
36°F141 days160 days179 days
32°F160 days179 days201 days
28°F177 days199 days221 days
24°F194 days217 days243 days

Chance of a freeze in any year

Sublette 7wsw: 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 Sublette 7wsw with 2023 USDA hardiness zones
ZIPHardiness zoneAvg. extreme lowDistance
678706b-5 to 0°F10 km
678776b-5 to 0°F17 km
679526b-5 to 0°F21 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 USC00147922, at 37.4414, -100.9792, elevation 899 m (2,949 ft).
  • Data quality: Representative (10+ years), 21 years of freeze data.
  • Average days per year at or below 32°F: 133.
  • 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 Kansas stations · How frost dates are calculated