Frost dates for Cannelton, IN
At Cannelton, the median last spring frost (32°F) is Apr 2 and the median first fall frost is Nov 7, for a typical growing season of 218 days. For a 90% chance that the last frost has passed, wait until Apr 20. Nearby ZIP codes are in USDA hardiness zone 7a.
- Apr 2Last spring frost (median)50% chance of 32°F after this date
- Apr 20Safer planting date10% chance of 32°F after this date
- Nov 7First fall frost (median)50% chance of 32°F by this date
- 218 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 31 | Apr 16 | May 1 |
| 32°F | Mar 16 | Apr 2 | Apr 20 |
| 28°F | Feb 28 | Mar 21 | Apr 8 |
| 24°F | Feb 14 | Mar 7 | Mar 27 |
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 18 | Oct 30 | Nov 11 |
| 32°F | Oct 28 | Nov 7 | Nov 25 |
| 28°F | Nov 4 | Nov 17 | Dec 6 |
| 24°F | Nov 11 | Dec 1 | Dec 20 |
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 | 176 days | 196 days | 216 days |
| 32°F | 197 days | 218 days | 240 days |
| 28°F | 218 days | 241 days | 266 days |
| 24°F | 238 days | 265 days | 291 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 |
|---|---|---|---|
| 47520 | 7a | 0 to 5°F | 6 km |
| 42348 | 7a | 0 to 5°F | 10 km |
| 47574 | 7a | 0 to 5°F | 14 km |
| 40111 | 7a | 0 to 5°F | 15 km |
| 47525 | 7a | 0 to 5°F | 19 km |
| 40170 | 7a | 0 to 5°F | 21 km |
| 42368 | 7a | 0 to 5°F | 21 km |
| 40171 | 7a | 0 to 5°F | 25 km |
| 42366 | 7a | 0 to 5°F | 28 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 USC00121256, at 37.8994, -86.7072, elevation 122 m (402 ft).
- Data quality: Representative (10+ years), 10 years of freeze data.
- Average days per year at or below 32°F: 76.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Tell City (8 km)
- Saint Meinrad (31 km)
- English (47 km)
- Boonville 1s (52 km)
- Stendal (57 km)
- Newburgh L&d (59 km)
- Patoka Lake (60 km)
- Dubois S In Forage Fm (62 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.