Frost dates for Anderson Sewage Plant, IN
At Anderson Sewage Plant, 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 186 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
- 186 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 16 | Apr 30 | May 16 |
| 32°F | Apr 3 | Apr 19 | May 5 |
| 28°F | Mar 22 | Apr 5 | Apr 25 |
| 24°F | Mar 10 | Mar 27 | Apr 11 |
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 30 | Oct 13 | Oct 26 |
| 32°F | Oct 7 | Oct 23 | Nov 6 |
| 28°F | Oct 21 | Nov 3 | Nov 20 |
| 24°F | Nov 1 | Nov 15 | Dec 3 |
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 | 143 days | 163 days | 184 days |
| 32°F | 162 days | 186 days | 208 days |
| 28°F | 186 days | 211 days | 235 days |
| 24°F | 210 days | 236 days | 261 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 |
|---|---|---|---|
| 46016 | 6a | -10 to -5°F | 3 km |
| 46011 | 6a | -10 to -5°F | 4 km |
| 46013 | 6a | -10 to -5°F | 7 km |
| 46012 | 6a | -10 to -5°F | 9 km |
| 46017 | 6a | -10 to -5°F | 10 km |
| 46051 | 6a | -10 to -5°F | 12 km |
| 46064 | 6a | -10 to -5°F | 15 km |
| 46001 | 6a | -10 to -5°F | 16 km |
| 47334 | 6a | -10 to -5°F | 16 km |
| 46056 | 6a | -10 to -5°F | 18 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 USC00120177, at 40.1117, -85.7164, elevation 256 m (841 ft).
- Data quality: Standard (24+ years of data), 29 years of freeze data.
- Average days per year at or below 32°F: 112.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Elwood (22 km)
- Muncie Delaware Co Airport (31 km)
- Carmel 3 E (34 km)
- Tipton 5 SW (36 km)
- Greenfield (36 km)
- New Castle 3 SW (37 km)
- Castleton 2 S (38 km)
- Farmland 5 NNW (51 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.