Frost dates for Pontotoc Exp. Station, MS
At Pontotoc Exp. Station, the median last spring frost (32°F) is Mar 28 and the median first fall frost is Nov 8, for a typical growing season of 227 days. For a 90% chance that the last frost has passed, wait until Apr 12. Nearby ZIP codes are in USDA hardiness zone 8a.
- Mar 28Last spring frost (median)50% chance of 32°F after this date
- Apr 12Safer planting date10% chance of 32°F after this date
- Nov 8First fall frost (median)50% chance of 32°F by this date
- 227 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 22 |
| 32°F | Mar 7 | Mar 28 | Apr 12 |
| 28°F | Feb 23 | Mar 13 | Apr 2 |
| 24°F | Feb 3 | Feb 28 | 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 16 | Oct 29 | Nov 13 |
| 32°F | Oct 24 | Nov 8 | Nov 26 |
| 28°F | Nov 3 | Nov 20 | Dec 7 |
| 24°F | Nov 11 | Dec 1 | Dec 29 |
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 | 183 days | 203 days | 226 days |
| 32°F | 202 days | 227 days | 253 days |
| 28°F | 225 days | 252 days | 278 days |
| 24°F | 252 days | 279 days | 309 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 |
|---|---|---|---|
| 38863 | 8a | 10 to 15°F | 9 km |
| 38850 | 8a | 10 to 15°F | 10 km |
| 38864 | 8a | 10 to 15°F | 19 km |
| 38841 | 8a | 10 to 15°F | 23 km |
| 38871 | 8a | 10 to 15°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 USC00227111, at 34.1381, -88.9983, elevation 123 m (405 ft).
- Data quality: Standard (24+ years of data), 26 years of freeze data.
- Average days per year at or below 32°F: 63.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Tupelo Regional Airport (25 km)
- Verona Exp. Station (25 km)
- Tupelo 2 (26 km)
- Houston (28 km)
- Calhoun City (43 km)
- Fulton 3 W (52 km)
- University (55 km)
- Aberdeen (56 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.