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Oklahoma · NOAA station USC00349768

Frost dates for Woodward 2wsw Mesonet, OK

At Woodward 2wsw Mesonet, the median last spring frost (32°F) is Apr 5 and the median first fall frost is Oct 30, for a typical growing season of 206 days. For a 90% chance that the last frost has passed, wait until Apr 23. Nearby ZIP codes are in USDA hardiness zone 7a.

  • Apr 5Last spring frost (median)50% chance of 32°F after this date
  • Apr 23Safer planting date10% chance of 32°F after this date
  • Oct 30First fall frost (median)50% chance of 32°F by this date
  • 206 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.

Woodward 2wsw Mesonet: last spring freeze by temperature
Temperature90% chance later50% chance later10% chance later
36°FApr 1Apr 18May 3
32°FMar 19Apr 5Apr 23
28°FMar 6Mar 25Apr 12
24°FFeb 27Mar 12Apr 2

First fall frost dates

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

Woodward 2wsw Mesonet: first fall freeze by temperature
Temperature10% chance by50% chance by90% chance by
36°FOct 6Oct 21Nov 4
32°FOct 15Oct 30Nov 14
28°FOct 22Nov 8Nov 24
24°FOct 31Nov 17Dec 4

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.

Woodward 2wsw Mesonet: growing season by temperature
Temperature9 in 10 years at least5 in 10 years at least1 in 10 years at least
36°F165 days186 days208 days
32°F183 days206 days227 days
28°F202 days225 days251 days
24°F223 days247 days275 days

Chance of a freeze in any year

Woodward 2wsw Mesonet: 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 Woodward 2wsw Mesonet with 2023 USDA hardiness zones
ZIPHardiness zoneAvg. extreme lowDistance
738017a0 to 5°F7 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 USC00349768, at 36.4231, -99.4167, elevation 625 m (2,050 ft).
  • Data quality: Representative (10+ years), 10 years of freeze data.
  • Average days per year at or below 32°F: 95.
  • 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 Oklahoma stations · How frost dates are calculated