Frost dates for Newton Exp. Station, MS
At Newton Exp. Station, the median last spring frost (32°F) is Mar 25 and the median first fall frost is Nov 2, for a typical growing season of 222 days. For a 90% chance that the last frost has passed, wait until Apr 12. Nearby ZIP codes are in USDA hardiness zone 8b.
- Mar 25Last spring frost (median)50% chance of 32°F after this date
- Apr 12Safer planting date10% chance of 32°F after this date
- Nov 2First 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 20 | Apr 8 | Apr 24 |
| 32°F | Mar 4 | Mar 25 | Apr 12 |
| 28°F | Feb 17 | Mar 10 | Mar 28 |
| 24°F | Jan 27 | Feb 26 | Mar 19 |
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 11 | Oct 25 | Nov 7 |
| 32°F | Oct 20 | Nov 2 | Nov 20 |
| 28°F | Oct 30 | Nov 15 | Dec 6 |
| 24°F | Nov 9 | Dec 1 | Jan 3 |
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 | 179 days | 200 days | 221 days |
| 32°F | 198 days | 222 days | 247 days |
| 28°F | 223 days | 249 days | 279 days |
| 24°F | 249 days | 281 days | 317 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 |
|---|---|---|---|
| 39345 | 8b | 15 to 20°F | 7 km |
| 39327 | 8b | 15 to 20°F | 13 km |
| 39338 | 8b | 15 to 20°F | 29 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 USC00226308, at 32.3378, -89.0817, elevation 106 m (349 ft).
- Data quality: Representative (10+ years), 24 years of freeze data.
- Average days per year at or below 32°F: 64.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Newton 5 ENE (1 km)
- Meridian Key Field (32 km)
- Forest (32 km)
- Quitman 2 NNE (45 km)
- Philadelphia 1 WSW (48 km)
- P Harrison Archusa (49 km)
- Raleigh 6n (49 km)
- Meridian Naas (54 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.