Frost dates for Freedom 3ssw Mesonet, OK
At Freedom 3ssw Mesonet, the median last spring frost (32°F) is Apr 13 and the median first fall frost is Oct 27, for a typical growing season of 198 days. For a 90% chance that the last frost has passed, wait until Apr 30. Nearby ZIP codes are in USDA hardiness zone 7a.
- Apr 13Last spring frost (median)50% chance of 32°F after this date
- Apr 30Safer planting date10% chance of 32°F after this date
- Oct 27First fall frost (median)50% chance of 32°F by this date
- 198 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | Apr 7 | Apr 23 | May 6 |
| 32°F | Mar 27 | Apr 13 | Apr 30 |
| 28°F | Mar 13 | Apr 1 | Apr 19 |
| 24°F | Mar 3 | Mar 20 | Apr 6 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Oct 4 | Oct 18 | Oct 30 |
| 32°F | Oct 14 | Oct 27 | Nov 8 |
| 28°F | Oct 20 | Nov 4 | Nov 18 |
| 24°F | Oct 30 | Nov 13 | Dec 1 |
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.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 160 days | 180 days | 198 days |
| 32°F | 179 days | 198 days | 217 days |
| 28°F | 195 days | 217 days | 238 days |
| 24°F | 212 days | 238 days | 261 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
Closest ZIP codes (each is closer to another station)
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 73842 | 7a | 0 to 5°F | 13 km |
| 73852 | 7a | 0 to 5°F | 27 km |
| 73860 | 7a | 0 to 5°F | 34 km |
| 73717 | 7a | 0 to 5°F | 34 km |
| 73801 | 7a | 0 to 5°F | 36 km |
| 73834 | 7a | 0 to 5°F | 41 km |
| 73746 | 7a | 0 to 5°F | 43 km |
| 73841 | 7a | 0 to 5°F | 47 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 USC00343363, at 36.7256, -99.1422, elevation 530 m (1,738 ft).
- Data quality: Representative (10+ years), 12 years of freeze data.
- Average days per year at or below 32°F: 108.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Freedom (5 km)
- Waynoka (29 km)
- Freedom 16nne Mesonet (31 km)
- Alva 7ssw Mesonet (39 km)
- Fort Supply 3se (40 km)
- Alva 1w (41 km)
- Woodward 2wsw Mesonet (42 km)
- Buffalo 2 SSW (45 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.