Frost dates for Russellville 4 SSE, AL
At Russellville 4 SSE, the median last spring frost (32°F) is Apr 5 and the median first fall frost is Oct 28, for a typical growing season of 205 days. For a 90% chance that the last frost has passed, wait until Apr 22. Nearby ZIP codes are in USDA hardiness zones 7b to 8a.
- Apr 5Last spring frost (median)50% chance of 32°F after this date
- Apr 22Safer planting date10% chance of 32°F after this date
- Oct 28First fall frost (median)50% chance of 32°F by this date
- 205 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 31 | Apr 19 | May 8 |
| 32°F | Mar 18 | Apr 5 | Apr 22 |
| 28°F | Mar 1 | Mar 23 | Apr 9 |
| 24°F | Feb 14 | Mar 8 | Mar 29 |
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 5 | Oct 19 | Nov 1 |
| 32°F | Oct 16 | Oct 28 | Nov 9 |
| 28°F | Oct 24 | Nov 5 | Nov 23 |
| 24°F | Nov 2 | Nov 18 | Dec 8 |
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 | 160 days | 182 days | 204 days |
| 32°F | 183 days | 205 days | 228 days |
| 28°F | 204 days | 227 days | 255 days |
| 24°F | 227 days | 255 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 |
|---|---|---|---|
| 35654 | 8a | 10 to 15°F | 9 km |
| 35581 | 8a | 10 to 15°F | 10 km |
| 35585 | 8a | 10 to 15°F | 12 km |
| 35571 | 7b | 5 to 10°F | 23 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 USW00063895, at 34.4536, -87.7103, elevation 220 m (720 ft).
- Data quality: Representative (10+ years), 14 years of freeze data.
- Average days per year at or below 32°F: 76.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Russellville #2 (7 km)
- Haleyville (26 km)
- Muscle Shoals Regional Airport (34 km)
- Muscle Shoals Water Plant (35 km)
- Muscle Shoals 2 N (36 km)
- Moulton 2 (38 km)
- Courtland 2 WSW (41 km)
- Hamilton 3 S (47 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.