Frost dates for Cincinnati Lunken Airport, OH
At Cincinnati Lunken Airport, the median last spring frost (32°F) is Apr 16 and the median first fall frost is Oct 25, for a typical growing season of 190 days. For a 90% chance that the last frost has passed, wait until May 3. Nearby ZIP codes are in USDA hardiness zone 6b.
- Apr 16Last spring frost (median)50% chance of 32°F after this date
- May 3Safer planting date10% chance of 32°F after this date
- Oct 25First fall frost (median)50% chance of 32°F by this date
- 190 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 14 |
| 32°F | Apr 2 | Apr 16 | May 3 |
| 28°F | Mar 19 | Apr 2 | Apr 18 |
| 24°F | Mar 4 | Mar 22 | Apr 5 |
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 27 |
| 32°F | Oct 12 | Oct 25 | Nov 5 |
| 28°F | Oct 24 | Nov 4 | Nov 18 |
| 24°F | Nov 3 | 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 | 147 days | 168 days | 186 days |
| 32°F | 168 days | 190 days | 210 days |
| 28°F | 193 days | 215 days | 235 days |
| 24°F | 219 days | 239 days | 265 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 |
|---|---|---|---|
| 45226 | 6b | -5 to 0°F | 1 km |
| 41074 | 6b | -5 to 0°F | 4 km |
| 45208 | 6b | -5 to 0°F | 4 km |
| 41075 | 6b | -5 to 0°F | 4 km |
| 45230 | 6b | -5 to 0°F | 4 km |
| 41073 | 6b | -5 to 0°F | 5 km |
| 45209 | 6b | -5 to 0°F | 6 km |
| 41071 | 6b | -5 to 0°F | 6 km |
| 45207 | 6b | -5 to 0°F | 6 km |
| 45227 | 6b | -5 to 0°F | 6 km |
| 45206 | 6b | -5 to 0°F | 6 km |
| 45212 | 6b | -5 to 0°F | 7 km |
| 45202 | 6b | -5 to 0°F | 7 km |
| 41085 | 6b | -5 to 0°F | 8 km |
| 45229 | 6b | -5 to 0°F | 8 km |
| 45244 | 6b | -5 to 0°F | 8 km |
| 45267 | 6b | -5 to 0°F | 8 km |
| 45219 | 6b | -5 to 0°F | 8 km |
| 41014 | 6b | -5 to 0°F | 9 km |
| 45213 | 6b | -5 to 0°F | 9 km |
| 45255 | 6b | -5 to 0°F | 9 km |
| 41076 | 6b | -5 to 0°F | 10 km |
| 45217 | 6b | -5 to 0°F | 10 km |
| 45237 | 6b | -5 to 0°F | 11 km |
| 41011 | 6b | -5 to 0°F | 11 km |
| 45216 | 6b | -5 to 0°F | 12 km |
| 45245 | 6b | -5 to 0°F | 13 km |
| 41059 | 6b | -5 to 0°F | 13 km |
| 41015 | 6b | -5 to 0°F | 15 km |
| 45215 | 6b | -5 to 0°F | 15 km |
| 41001 | 6b | -5 to 0°F | 21 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 USW00093812, at 39.1033, -84.4189, elevation 149 m (490 ft).
- Data quality: Standard (24+ years of data), 29 years of freeze data.
- Average days per year at or below 32°F: 102.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Milford (14 km)
- Cheviot (19 km)
- Cheviot 3 W (23 km)
- Cincinnati-Fernbank (24 km)
- Hamilton Butler Co Regional Airport (30 km)
- Fairfield (31 km)
- Chilo Meldahl Locks & Dam (40 km)
- Franklin (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.