Frost dates for Cheviot, OH
At Cheviot, the median last spring frost (32°F) is Apr 17 and the median first fall frost is Oct 26, for a typical growing season of 191 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 17Last spring frost (median)50% chance of 32°F after this date
- May 5Safer planting date10% chance of 32°F after this date
- Oct 26First fall frost (median)50% chance of 32°F by this date
- 191 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 14 | Apr 29 | May 13 |
| 32°F | Apr 2 | Apr 17 | May 5 |
| 28°F | Mar 20 | Apr 4 | Apr 21 |
| 24°F | Mar 8 | Mar 25 | Apr 8 |
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 3 | Oct 16 | Oct 29 |
| 32°F | Oct 11 | Oct 26 | Nov 7 |
| 28°F | Oct 22 | Nov 4 | Nov 22 |
| 24°F | Nov 1 | Nov 16 | Dec 4 |
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 | 149 days | 170 days | 190 days |
| 32°F | 168 days | 191 days | 211 days |
| 28°F | 193 days | 214 days | 237 days |
| 24°F | 213 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 |
|---|---|---|---|
| 45211 | 6b | -5 to 0°F | 2 km |
| 45238 | 6b | -5 to 0°F | 5 km |
| 45225 | 6b | -5 to 0°F | 6 km |
| 45205 | 6b | -5 to 0°F | 6 km |
| 45223 | 6b | -5 to 0°F | 6 km |
| 45239 | 6b | -5 to 0°F | 7 km |
| 45204 | 6b | -5 to 0°F | 8 km |
| 45214 | 6b | -5 to 0°F | 9 km |
| 45220 | 6b | -5 to 0°F | 9 km |
| 45224 | 6b | -5 to 0°F | 9 km |
| 45203 | 6b | -5 to 0°F | 9 km |
| 45232 | 6b | -5 to 0°F | 10 km |
| 41016 | 6b | -5 to 0°F | 10 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 USC00331515, at 39.1547, -84.6233, elevation 272 m (891 ft).
- Data quality: Standard (24+ years of data), 26 years of freeze data.
- Average days per year at or below 32°F: 106.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Cheviot 3 W (5 km)
- Cincinnati-Fernbank (8 km)
- Cincinnati Lunken Airport (19 km)
- Fairfield (22 km)
- Hamilton Butler Co Regional Airport (25 km)
- Milford (29 km)
- Franklin (52 km)
- Chilo Meldahl Locks & Dam (56 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.