Frost dates for Kosciusko, MS
At Kosciusko, the median last spring frost (32°F) is Mar 18 and the median first fall frost is Nov 11, for a typical growing season of 239 days. For a 90% chance that the last frost has passed, wait until Apr 5. Nearby ZIP codes are in USDA hardiness zone 8a.
- Mar 18Last spring frost (median)50% chance of 32°F after this date
- Apr 5Safer planting date10% chance of 32°F after this date
- Nov 11First fall frost (median)50% chance of 32°F by this date
- 239 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 15 | Apr 1 | Apr 19 |
| 32°F | Feb 28 | Mar 18 | Apr 5 |
| 28°F | Feb 13 | Mar 5 | Mar 24 |
| 24°F | Jan 27 | Feb 23 | Mar 14 |
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 19 | Nov 1 | Nov 16 |
| 32°F | Oct 29 | Nov 11 | Dec 1 |
| 28°F | Nov 4 | Nov 24 | Dec 18 |
| 24°F | Nov 15 | Dec 11 | Jan 9 |
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 | 191 days | 213 days | 237 days |
| 32°F | 214 days | 239 days | 263 days |
| 28°F | 239 days | 264 days | 295 days |
| 24°F | 260 days | 294 days | 329 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 |
|---|---|---|---|
| 39090 | 8a | 10 to 15°F | 6 km |
| 39067 | 8a | 10 to 15°F | 14 km |
| 39160 | 8a | 10 to 15°F | 17 km |
| 39192 | 8a | 10 to 15°F | 22 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 USC00224776, at 33.0583, -89.5797, elevation 125 m (410 ft).
- Data quality: Representative (10+ years), 21 years of freeze data.
- Average days per year at or below 32°F: 59.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Carthage (34 km)
- Pickens (42 km)
- Lexington (45 km)
- Winona 5 E (48 km)
- Louisville (48 km)
- Philadelphia 1 WSW (53 km)
- Canton 4n (61 km)
- Eupora 2 E (65 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.