Frost dates for Buffalo 2 SSW, OK
At Buffalo 2 SSW, the median last spring frost (32°F) is Apr 17 and the median first fall frost is Oct 23, for a typical growing season of 187 days. For a 90% chance that the last frost has passed, wait until Apr 30. Nearby ZIP codes are in USDA hardiness zones 6b to 7a.
- Apr 17Last spring frost (median)50% chance of 32°F after this date
- Apr 30Safer planting date10% chance of 32°F after this date
- Oct 23First fall frost (median)50% chance of 32°F by this date
- 187 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 12 | Apr 27 | May 8 |
| 32°F | Apr 3 | Apr 17 | Apr 30 |
| 28°F | Mar 22 | Apr 7 | Apr 22 |
| 24°F | Mar 7 | Mar 29 | Apr 12 |
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 | Sep 30 | Oct 15 | Oct 27 |
| 32°F | Oct 8 | Oct 23 | Nov 4 |
| 28°F | Oct 18 | Nov 1 | Nov 15 |
| 24°F | Oct 26 | Nov 9 | Nov 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.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 150 days | 170 days | 188 days |
| 32°F | 169 days | 187 days | 208 days |
| 28°F | 187 days | 208 days | 231 days |
| 24°F | 205 days | 227 days | 250 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 |
|---|---|---|---|
| 73834 | 7a | 0 to 5°F | 8 km |
| 73855 | 7a | 0 to 5°F | 21 km |
| 73841 | 7a | 0 to 5°F | 28 km |
| 73851 | 7a | 0 to 5°F | 28 km |
| 73842 | 7a | 0 to 5°F | 38 km |
| 67840 | 6b | -5 to 0°F | 39 km |
| 73848 | 7a | 0 to 5°F | 40 km |
| 73801 | 7a | 0 to 5°F | 40 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 USC00341243, at 36.8003, -99.6400, elevation 589 m (1,931 ft).
- Data quality: Representative (10+ years), 14 years of freeze data.
- Average days per year at or below 32°F: 103.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Buffalo 1sw Mesonet (3 km)
- Fort Supply 3se (30 km)
- Gate (38 km)
- Freedom 3ssw Mesonet (45 km)
- Woodward 2wsw Mesonet (46 km)
- Freedom (47 km)
- Gage Airport (57 km)
- Freedom 16nne Mesonet (60 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.