Frost dates for Hugo, OK
At Hugo, the median last spring frost (32°F) is Mar 15 and the median first fall frost is Nov 15, for a typical growing season of 244 days. For a 90% chance that the last frost has passed, wait until Apr 4. Nearby ZIP codes are in USDA hardiness zone 8a.
- Mar 15Last spring frost (median)50% chance of 32°F after this date
- Apr 4Safer planting date10% chance of 32°F after this date
- Nov 15First fall frost (median)50% chance of 32°F by this date
- 244 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 10 | Mar 31 | Apr 18 |
| 32°F | Feb 25 | Mar 15 | Apr 4 |
| 28°F | Feb 5 | Mar 2 | Mar 22 |
| 24°F | Jan 19 | Feb 18 | Mar 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 | Oct 21 | Nov 4 | Nov 21 |
| 32°F | Oct 29 | Nov 15 | Dec 3 |
| 28°F | Nov 6 | Nov 30 | Dec 20 |
| 24°F | Nov 22 | Dec 16 | Jan 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 | 193 days | 219 days | 244 days |
| 32°F | 216 days | 244 days | 272 days |
| 28°F | 239 days | 269 days | 299 days |
| 24°F | 267 days | 303 days | 336 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 99% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 74743 | 8a | 10 to 15°F | 3 km |
| 74738 | 8a | 10 to 15°F | 16 km |
| 74756 | 8a | 10 to 15°F | 17 km |
| 74759 | 8a | 10 to 15°F | 17 km |
| 75411 | 8a | 10 to 15°F | 19 km |
| 74760 | 8a | 10 to 15°F | 23 km |
| 74735 | 8a | 10 to 15°F | 27 km |
| 74761 | 8a | 10 to 15°F | 31 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 USC00344384, at 34.0211, -95.5381, elevation 158 m (520 ft).
- Data quality: Representative (10+ years), 12 years of freeze data.
- Average days per year at or below 32°F: 52.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Antlers (23 km)
- Antlers 5nw (27 km)
- McGee Creek Dam (44 km)
- Lane 1wnw Mesonet (53 km)
- Idabel (66 km)
- Atoka (69 km)
- Tuskahoma (70 km)
- Battiest (71 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.