Frost dates for Danville, KY
At Danville, the median last spring frost (32°F) is Apr 9 and the median first fall frost is Oct 27, for a typical growing season of 199 days. For a 90% chance that the last frost has passed, wait until Apr 29. Nearby ZIP codes are in USDA hardiness zone 7a.
- Apr 9Last spring frost (median)50% chance of 32°F after this date
- Apr 29Safer planting date10% chance of 32°F after this date
- Oct 27First fall frost (median)50% chance of 32°F by this date
- 199 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 6 | Apr 23 | May 9 |
| 32°F | Mar 27 | Apr 9 | Apr 29 |
| 28°F | Mar 15 | Mar 31 | Apr 17 |
| 24°F | Mar 3 | 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 7 | Oct 18 | Oct 29 |
| 32°F | Oct 16 | Oct 27 | Nov 8 |
| 28°F | Oct 25 | Nov 5 | Nov 20 |
| 24°F | Nov 3 | Nov 17 | Dec 5 |
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 | 159 days | 178 days | 196 days |
| 32°F | 177 days | 199 days | 218 days |
| 28°F | 199 days | 218 days | 239 days |
| 24°F | 218 days | 243 days | 268 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 |
|---|---|---|---|
| 40422 | 7a | 0 to 5°F | 3 km |
| 40440 | 7a | 0 to 5°F | 10 km |
| 40464 | 7a | 0 to 5°F | 16 km |
| 40484 | 7a | 0 to 5°F | 17 km |
| 40444 | 7a | 0 to 5°F | 17 km |
| 40468 | 7a | 0 to 5°F | 19 km |
| 40448 | 7a | 0 to 5°F | 22 km |
| 40437 | 7a | 0 to 5°F | 23 km |
| 42541 | 7a | 0 to 5°F | 32 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 USC00152040, at 37.6528, -84.7708, elevation 274 m (900 ft).
- Data quality: Representative (10+ years), 15 years of freeze data.
- Average days per year at or below 32°F: 103.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Dix Dam (16 km)
- Crab Orchard 6 N (34 km)
- Bradfordsville (38 km)
- Eastern Kentucky Univ (40 km)
- Berea College (43 km)
- Lexington Bluegrass Airport (46 km)
- Versailles 3 NNW (49 km)
- Mount Vernon (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.