Frost dates for Salem, AR
At Salem, the median last spring frost (32°F) is Apr 8 and the median first fall frost is Oct 30, for a typical growing season of 204 days. For a 90% chance that the last frost has passed, wait until Apr 25. Nearby ZIP codes are in USDA hardiness zones 7a to 7b.
- Apr 8Last spring frost (median)50% chance of 32°F after this date
- Apr 25Safer planting date10% chance of 32°F after this date
- Oct 30First fall frost (median)50% chance of 32°F by this date
- 204 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 | Apr 5 | Apr 20 | May 5 |
| 32°F | Mar 22 | Apr 8 | Apr 25 |
| 28°F | Mar 8 | Mar 29 | Apr 13 |
| 24°F | Feb 26 | Mar 15 | Apr 3 |
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 7 | Oct 20 | Oct 31 |
| 32°F | Oct 18 | Oct 30 | Nov 12 |
| 28°F | Oct 27 | Nov 8 | Nov 26 |
| 24°F | Nov 3 | Nov 19 | Dec 6 |
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 | 162 days | 182 days | 201 days |
| 32°F | 184 days | 204 days | 225 days |
| 28°F | 203 days | 226 days | 250 days |
| 24°F | 223 days | 249 days | 273 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 |
|---|---|---|---|
| 72576 | 7a | 0 to 5°F | 5 km |
| 72539 | 7a | 0 to 5°F | 8 km |
| 72520 | 7a | 0 to 5°F | 8 km |
| 72578 | 7a | 0 to 5°F | 14 km |
| 72587 | 7a | 0 to 5°F | 15 km |
| 72512 | 7a | 0 to 5°F | 16 km |
| 72565 | 7b | 5 to 10°F | 18 km |
| 72583 | 7a | 0 to 5°F | 18 km |
| 65777 | 7a | 0 to 5°F | 24 km |
| 72538 | 7a | 0 to 5°F | 28 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 USC00036403, at 36.3561, -91.8036, elevation 207 m (680 ft).
- Data quality: Representative (10+ years), 19 years of freeze data.
- Average days per year at or below 32°F: 94.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Hardy (28 km)
- Mammoth Spring (29 km)
- Evening Shade 1 NNE (35 km)
- Calico Rock 2 WSW (42 km)
- Mountain Home 1 NNW (53 km)
- Batesville Lvstk (58 km)
- Batesville 8 WNW (60 km)
- Mountain Home Baxter Airport (60 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.