Frost dates for Augusta 2, KY
At Augusta 2, the median last spring frost (32°F) is Apr 11 and the median first fall frost is Oct 30, for a typical growing season of 200 days. For a 90% chance that the last frost has passed, wait until May 2. Nearby ZIP codes are in USDA hardiness zone 6b.
- Apr 11Last spring frost (median)50% chance of 32°F after this date
- May 2Safer planting date10% chance of 32°F after this date
- Oct 30First fall frost (median)50% chance of 32°F by this date
- 200 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 9 | Apr 24 | May 12 |
| 32°F | Mar 30 | Apr 11 | May 2 |
| 28°F | Mar 13 | Mar 31 | Apr 15 |
| 24°F | Feb 28 | Mar 19 | Apr 4 |
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 5 | Oct 18 | Oct 31 |
| 32°F | Oct 16 | Oct 30 | Nov 10 |
| 28°F | Oct 28 | Nov 9 | Nov 25 |
| 24°F | Nov 6 | Nov 21 | Dec 9 |
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 | 154 days | 176 days | 197 days |
| 32°F | 177 days | 200 days | 219 days |
| 28°F | 201 days | 223 days | 245 days |
| 24°F | 224 days | 247 days | 273 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 |
|---|---|---|---|
| 45131 | 6b | -5 to 0°F | 5 km |
| 41002 | 6b | -5 to 0°F | 5 km |
| 45119 | 6b | -5 to 0°F | 12 km |
| 41004 | 6b | -5 to 0°F | 15 km |
| 45130 | 6b | -5 to 0°F | 15 km |
| 41044 | 6b | -5 to 0°F | 18 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 USC00150290, at 38.7700, -84.0128, elevation 155 m (508 ft).
- Data quality: Estimated from nearby stations (2+ years), 5 years of freeze data.
- Average days per year at or below 32°F: 89.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Maysville Wastewater Plant (22 km)
- Flemingsburg 2 N (43 km)
- Williamstown (50 km)
- Cynthiana (50 km)
- Cincinnati Northern Ky Airport (65 km)
- Glencoe 6 NW (76 km)
- Mount Sterling (79 km)
- Warsaw Markland Dam (83 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.