Skip to content
ZIP Frost Dates
Menu
Ohio · NOAA station USC00330279

Frost dates for Athens Ou, OH

At Athens Ou, the median last spring frost (32°F) is Apr 25 and the median first fall frost is Oct 23, for a typical growing season of 179 days. For a 90% chance that the last frost has passed, wait until May 12. Nearby ZIP codes are in USDA hardiness zones 6a to 6b.

  • Apr 25Last spring frost (median)50% chance of 32°F after this date
  • May 12Safer planting date10% chance of 32°F after this date
  • Oct 23First 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.

Athens Ou: last spring freeze by temperature
Temperature90% chance later50% chance later10% chance later
36°FApr 20May 5May 21
32°FApr 11Apr 25May 12
28°FMar 28Apr 11Apr 30
24°FMar 14Mar 31Apr 14

First fall frost dates

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

Athens Ou: first fall freeze by temperature
Temperature10% chance by50% chance by90% chance by
36°FSep 26Oct 11Oct 24
32°FOct 8Oct 23Nov 3
28°FOct 18Nov 1Nov 13
24°FOct 30Nov 10Nov 25

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.

Athens Ou: growing season by temperature
Temperature9 in 10 years at least5 in 10 years at least1 in 10 years at least
36°F135 days158 days176 days
32°F157 days179 days198 days
28°F181 days202 days221 days
24°F206 days224 days245 days

Chance of a freeze in any year

Athens Ou: 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 Athens Ou with 2023 USDA hardiness zones
ZIPHardiness zoneAvg. extreme lowDistance
457016b-5 to 0°F2 km
457806b-5 to 0°F6 km
457196b-5 to 0°F9 km
457616b-5 to 0°F12 km
457666b-5 to 0°F14 km
457766b-5 to 0°F17 km
457166a-10 to -5°F17 km
457406b-5 to 0°F17 km
457356b-5 to 0°F18 km
457786b-5 to 0°F18 km
457826b-5 to 0°F18 km
457116b-5 to 0°F19 km
457326b-5 to 0°F22 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 USC00330279, at 39.3225, -82.0994, elevation 208 m (684 ft).
  • Data quality: Representative (10+ years), 17 years of freeze data.
  • Average days per year at or below 32°F: 124.
  • 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 Ohio stations · How frost dates are calculated