Frost dates for Rushville, IN
At Rushville, the median last spring frost (32°F) is Apr 19 and the median first fall frost is Oct 23, for a typical growing season of 185 days. For a 90% chance that the last frost has passed, wait until May 5. Nearby ZIP codes are in USDA hardiness zone 6a.
- Apr 19Last spring frost (median)50% chance of 32°F after this date
- May 5Safer planting date10% chance of 32°F after this date
- Oct 23First fall frost (median)50% chance of 32°F by this date
- 185 daysGrowing season (median)between 32°F freezes
USDA hardiness zone 6a (-10 to -5°F) · see all zone 6a frost dates
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 16 | Apr 30 | May 15 |
| 32°F | Apr 4 | Apr 19 | May 5 |
| 28°F | Mar 23 | Apr 6 | Apr 23 |
| 24°F | Mar 11 | Mar 27 | Apr 10 |
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 29 | Oct 13 | Oct 24 |
| 32°F | Oct 11 | Oct 23 | Nov 2 |
| 28°F | Oct 21 | Nov 1 | Nov 14 |
| 24°F | Nov 1 | Nov 11 | Nov 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 | 145 days | 163 days | 182 days |
| 32°F | 164 days | 185 days | 203 days |
| 28°F | 187 days | 206 days | 227 days |
| 24°F | 209 days | 230 days | 252 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 |
|---|---|---|---|
| 46173 | 6a | -10 to -5°F | 2 km |
| 46146 | 6a | -10 to -5°F | 10 km |
| 46133 | 6a | -10 to -5°F | 12 km |
| 46156 | 6a | -10 to -5°F | 13 km |
| 46104 | 6a | -10 to -5°F | 14 km |
| 46150 | 6a | -10 to -5°F | 14 km |
| 46127 | 6a | -10 to -5°F | 17 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 USC00127646, at 39.6042, -85.4533, elevation 289 m (948 ft).
- Data quality: Standard (24+ years of data), 27 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
- Greensburg (29 km)
- Shelbyville Muni Airport (30 km)
- Shelbyville Sewage Plant (30 km)
- New Castle 3 SW (33 km)
- Greenfield (33 km)
- Cambridge City 3 N (37 km)
- Brookville (43 km)
- Franklin Wastewater Plant (53 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.