Frost dates for Tulsa R L Jones Jr Airport, OK
At Tulsa R L Jones Jr Airport, the median last spring frost (32°F) is Mar 30 and the median first fall frost is Nov 4, for a typical growing season of 220 days. For a 90% chance that the last frost has passed, wait until Apr 17. Nearby ZIP codes are in USDA hardiness zone 7b.
- Mar 30Last spring frost (median)50% chance of 32°F after this date
- Apr 17Safer planting date10% chance of 32°F after this date
- Nov 4First fall frost (median)50% chance of 32°F by this date
- 220 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 | Mar 26 | Apr 9 | Apr 26 |
| 32°F | Mar 10 | Mar 30 | Apr 17 |
| 28°F | Feb 27 | Mar 15 | Apr 3 |
| 24°F | Feb 12 | Mar 4 | Mar 20 |
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 12 | Oct 26 | Nov 8 |
| 32°F | Oct 21 | Nov 4 | Nov 20 |
| 28°F | Oct 31 | Nov 14 | Dec 2 |
| 24°F | Nov 7 | Nov 26 | Dec 14 |
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 | 177 days | 199 days | 219 days |
| 32°F | 195 days | 220 days | 243 days |
| 28°F | 218 days | 241 days | 266 days |
| 24°F | 241 days | 265 days | 292 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 74132 | 7b | 5 to 10°F | 3 km |
| 74171 | 7b | 5 to 10°F | 3 km |
| 74037 | 7b | 5 to 10°F | 5 km |
| 74136 | 7b | 5 to 10°F | 5 km |
| 74137 | 7b | 5 to 10°F | 5 km |
| 74105 | 7b | 5 to 10°F | 7 km |
| 74131 | 7b | 5 to 10°F | 8 km |
| 74050 | 7b | 5 to 10°F | 8 km |
| 74135 | 7b | 5 to 10°F | 8 km |
| 74107 | 7b | 5 to 10°F | 9 km |
| 74033 | 7b | 5 to 10°F | 10 km |
| 74145 | 7b | 5 to 10°F | 11 km |
| 74041 | 7b | 5 to 10°F | 13 km |
| 74066 | 7b | 5 to 10°F | 17 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 USW00053908, at 36.0394, -95.9844, elevation 194 m (638 ft).
- Data quality: Representative (10+ years), 20 years of freeze data.
- Average days per year at or below 32°F: 81.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Bixby (11 km)
- Tulsa Intl Airport (20 km)
- Bristow (43 km)
- Mannford 6 NW (44 km)
- Okmulgee Wtr Wks (46 km)
- Claremore 2 ENE (48 km)
- Wagoner (55 km)
- Barnsdall (61 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.