Frost dates for Milan 5 NE, IN
At Milan 5 NE, the median last spring frost (32°F) is Apr 30 and the median first fall frost is Oct 16, for a typical growing season of 168 days. For a 90% chance that the last frost has passed, wait until May 15. Nearby ZIP codes are in USDA hardiness zones 6a to 6b.
- Apr 30Last spring frost (median)50% chance of 32°F after this date
- May 15Safer planting date10% chance of 32°F after this date
- Oct 16First fall frost (median)50% chance of 32°F by this date
- 168 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 24 | May 8 | May 23 |
| 32°F | Apr 14 | Apr 30 | May 15 |
| 28°F | Apr 3 | Apr 17 | May 4 |
| 24°F | Mar 19 | Apr 3 | Apr 21 |
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 23 | Oct 6 | Oct 18 |
| 32°F | Oct 3 | Oct 16 | Oct 29 |
| 28°F | Oct 12 | Oct 26 | Nov 6 |
| 24°F | Oct 25 | Nov 6 | Nov 25 |
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 | 131 days | 151 days | 169 days |
| 32°F | 148 days | 168 days | 188 days |
| 28°F | 168 days | 191 days | 211 days |
| 24°F | 194 days | 217 days | 239 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 |
|---|---|---|---|
| 47041 | 6b | -5 to 0°F | 8 km |
| 47031 | 6b | -5 to 0°F | 9 km |
| 47032 | 6b | -5 to 0°F | 9 km |
| 47022 | 6b | -5 to 0°F | 10 km |
| 47001 | 6b | -5 to 0°F | 14 km |
| 47025 | 6b | -5 to 0°F | 15 km |
| 47033 | 6b | -5 to 0°F | 17 km |
| 47018 | 6b | -5 to 0°F | 19 km |
| 47006 | 6b | -5 to 0°F | 20 km |
| 47021 | 6b | -5 to 0°F | 23 km |
| 47037 | 6b | -5 to 0°F | 24 km |
| 47042 | 6a | -10 to -5°F | 24 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 USC00125658, at 39.1619, -85.0517, elevation 297 m (975 ft).
- Data quality: Representative (10+ years), 12 years of freeze data.
- Average days per year at or below 32°F: 128.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Brookville (29 km)
- Greensburg (43 km)
- Vevay (47 km)
- N Vernon 2 ESE (51 km)
- Madison Sewage Plant (56 km)
- Rushville (60 km)
- Columbus (75 km)
- Shelbyville Sewage Plant (76 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.