Frost dates for Chandler 5se Mesonet, OK
At Chandler 5se Mesonet, the median last spring frost (32°F) is Apr 2 and the median first fall frost is Nov 2, for a typical growing season of 214 days. For a 90% chance that the last frost has passed, wait until Apr 21. Nearby ZIP codes are in USDA hardiness zone 7b.
- Apr 2Last spring frost (median)50% chance of 32°F after this date
- Apr 21Safer planting date10% chance of 32°F after this date
- Nov 2First fall frost (median)50% chance of 32°F by this date
- 214 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 13 | Apr 29 |
| 32°F | Mar 10 | Apr 2 | Apr 21 |
| 28°F | Feb 28 | Mar 18 | Apr 6 |
| 24°F | Feb 14 | Mar 5 | Mar 22 |
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 8 | Oct 25 | Nov 8 |
| 32°F | Oct 19 | Nov 2 | Nov 18 |
| 28°F | Oct 27 | Nov 12 | Nov 30 |
| 24°F | Nov 4 | Nov 24 | Dec 11 |
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 | 172 days | 195 days | 217 days |
| 32°F | 192 days | 214 days | 241 days |
| 28°F | 214 days | 238 days | 264 days |
| 24°F | 233 days | 262 days | 287 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 |
|---|---|---|---|
| 74026 | 7b | 5 to 10°F | 7 km |
| 74869 | 7b | 5 to 10°F | 8 km |
| 74079 | 7b | 5 to 10°F | 17 km |
| 74864 | 7b | 5 to 10°F | 19 km |
| 74860 | 7b | 5 to 10°F | 25 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 USC00341685, at 35.6528, -96.8042, elevation 291 m (954 ft).
- Data quality: Representative (10+ years), 11 years of freeze data.
- Average days per year at or below 32°F: 74.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Chandler (9 km)
- Meeker 5 W (23 km)
- Shawnee 3nnw Mesonet (35 km)
- Cushing (37 km)
- Bristow (42 km)
- Perkins 2nnw Mesonet (44 km)
- Seminole (49 km)
- Spencer 2ene Mesonet (50 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.