Frost dates for Cadiz, OH
At Cadiz, the median last spring frost (32°F) is Apr 21 and the median first fall frost is Oct 25, 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 6b.
- Apr 21Last spring frost (median)50% chance of 32°F after this date
- May 5Safer planting date10% chance of 32°F after this date
- Oct 25First 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 18 | May 1 | May 18 |
| 32°F | Apr 6 | Apr 21 | May 5 |
| 28°F | Mar 27 | Apr 8 | Apr 21 |
| 24°F | Mar 16 | Apr 1 | Apr 14 |
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 2 | Oct 14 | Oct 26 |
| 32°F | Oct 10 | Oct 25 | Nov 7 |
| 28°F | Oct 22 | Nov 4 | Nov 18 |
| 24°F | Nov 2 | Nov 15 | Dec 1 |
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 | 165 days | 183 days |
| 32°F | 166 days | 186 days | 205 days |
| 28°F | 194 days | 210 days | 229 days |
| 24°F | 211 days | 230 days | 254 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 |
|---|---|---|---|
| 43907 | 6b | -5 to 0°F | 3 km |
| 43981 | 6b | -5 to 0°F | 9 km |
| 43901 | 6b | -5 to 0°F | 13 km |
| 43986 | 6b | -5 to 0°F | 13 km |
| 43974 | 6b | -5 to 0°F | 13 km |
| 43976 | 6b | -5 to 0°F | 15 km |
| 43985 | 6b | -5 to 0°F | 16 km |
| 44693 | 6b | -5 to 0°F | 16 km |
| 43977 | 6b | -5 to 0°F | 17 km |
| 43951 | 6b | -5 to 0°F | 17 km |
| 43988 | 6b | -5 to 0°F | 17 km |
| 43972 | 6b | -5 to 0°F | 19 km |
| 43903 | 6b | -5 to 0°F | 23 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 USC00331152, at 40.2686, -80.9981, elevation 384 m (1,260 ft).
- Data quality: Representative (10+ years), 14 years of freeze data.
- Average days per year at or below 32°F: 121.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Dennison Wtr Wks (33 km)
- Steubenville (34 km)
- Barnesville (35 km)
- New Philadelphia Field (43 km)
- New Philadelphia (44 km)
- Millport 4 NE (57 km)
- Cambridge (57 km)
- Hannibal Locks & Dam (68 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.