Frost dates for Frankfort Disposal, IN
At Frankfort Disposal, the median last spring frost (32°F) is Apr 21 and the median first fall frost is Oct 21, for a typical growing season of 181 days. For a 90% chance that the last frost has passed, wait until May 7. Nearby ZIP codes are in USDA hardiness zone 6a.
- Apr 21Last spring frost (median)50% chance of 32°F after this date
- May 7Safer planting date10% chance of 32°F after this date
- Oct 21First fall frost (median)50% chance of 32°F by this date
- 181 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 19 | May 2 | May 17 |
| 32°F | Apr 7 | Apr 21 | May 7 |
| 28°F | Mar 26 | Apr 7 | Apr 23 |
| 24°F | Mar 11 | Mar 28 | Apr 12 |
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 | Sep 27 | Oct 10 | Oct 22 |
| 32°F | Oct 6 | Oct 21 | Nov 1 |
| 28°F | Oct 19 | Nov 1 | Nov 14 |
| 24°F | Oct 31 | Nov 11 | Nov 30 |
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 | 139 days | 159 days | 178 days |
| 32°F | 160 days | 181 days | 201 days |
| 28°F | 186 days | 206 days | 226 days |
| 24°F | 209 days | 230 days | 253 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 |
|---|---|---|---|
| 46041 | 6a | -10 to -5°F | 1 km |
| 46057 | 6a | -10 to -5°F | 12 km |
| 46058 | 6a | -10 to -5°F | 14 km |
| 46065 | 6a | -10 to -5°F | 16 km |
| 46050 | 6a | -10 to -5°F | 17 km |
| 46035 | 6a | -10 to -5°F | 19 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 USC00123082, at 40.2986, -86.5067, elevation 251 m (824 ft).
- Data quality: Standard (24+ years of data), 29 years of freeze data.
- Average days per year at or below 32°F: 119.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Young America (32 km)
- Kokomo 3 WSW (33 km)
- Lafayette 8 S (34 km)
- Tipton 5 SW (35 km)
- Whitestown (36 km)
- Delphi 2 N (38 km)
- Lafayette Purdue Univ Airport (39 km)
- Crawfordsville 6 SE (41 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.