Frost dates for Covington 3 SW, TN
At Covington 3 SW, the median last spring frost (32°F) is Mar 27 and the median first fall frost is Nov 4, for a typical growing season of 222 days. For a 90% chance that the last frost has passed, wait until Apr 11. Nearby ZIP codes are in USDA hardiness zone 8a.
- Mar 27Last spring frost (median)50% chance of 32°F after this date
- Apr 11Safer planting date10% chance of 32°F after this date
- Nov 4First fall frost (median)50% chance of 32°F by this date
- 222 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 22 | Apr 7 | Apr 26 |
| 32°F | Mar 8 | Mar 27 | Apr 11 |
| 28°F | Feb 26 | Mar 14 | Apr 2 |
| 24°F | Feb 10 | Mar 3 | 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 15 | Oct 26 | Nov 6 |
| 32°F | Oct 23 | Nov 4 | Nov 21 |
| 28°F | Nov 1 | Nov 16 | Dec 6 |
| 24°F | Nov 11 | Nov 30 | Dec 21 |
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 | 180 days | 200 days | 220 days |
| 32°F | 201 days | 222 days | 247 days |
| 28°F | 224 days | 248 days | 273 days |
| 24°F | 246 days | 273 days | 301 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 |
|---|---|---|---|
| 38019 | 8a | 10 to 15°F | 6 km |
| 38011 | 8a | 10 to 15°F | 9 km |
| 38015 | 8a | 10 to 15°F | 11 km |
| 38041 | 8a | 10 to 15°F | 12 km |
| 38058 | 8a | 10 to 15°F | 15 km |
| 38004 | 8a | 10 to 15°F | 16 km |
| 38049 | 8a | 10 to 15°F | 23 km |
| 38023 | 8a | 10 to 15°F | 25 km |
| 38036 | 8a | 10 to 15°F | 26 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 USC00402108, at 35.5497, -89.7000, elevation 117 m (385 ft).
- Data quality: Standard (24+ years of data), 28 years of freeze data.
- Average days per year at or below 32°F: 70.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Ripley (26 km)
- Brownsville (40 km)
- Memphis WFO (48 km)
- Collierville (53 km)
- Germantown 4se (53 km)
- Dyersburg (56 km)
- Dyersburg III Golf (57 km)
- Moscow (59 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.