Frost dates for Madisonville, KY
At Madisonville, the median last spring frost (32°F) is Apr 2 and the median first fall frost is Nov 1, for a typical growing season of 212 days. For a 90% chance that the last frost has passed, wait until Apr 18. Nearby ZIP codes are in USDA hardiness zone 7a.
- Apr 2Last spring frost (median)50% chance of 32°F after this date
- Apr 18Safer planting date10% chance of 32°F after this date
- Nov 1First fall frost (median)50% chance of 32°F by this date
- 212 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 | Mar 31 | Apr 14 | Apr 29 |
| 32°F | Mar 17 | Apr 2 | Apr 18 |
| 28°F | Mar 3 | Mar 22 | Apr 7 |
| 24°F | Feb 19 | Mar 10 | Mar 28 |
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 11 | Oct 23 | Nov 3 |
| 32°F | Oct 19 | Nov 1 | Nov 16 |
| 28°F | Oct 30 | Nov 12 | Dec 1 |
| 24°F | Nov 7 | Nov 24 | Dec 13 |
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 | 172 days | 191 days | 211 days |
| 32°F | 193 days | 212 days | 235 days |
| 28°F | 212 days | 234 days | 259 days |
| 24°F | 233 days | 258 days | 287 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 |
|---|---|---|---|
| 42431 | 7a | 0 to 5°F | 4 km |
| 42410 | 7a | 0 to 5°F | 8 km |
| 42436 | 7a | 0 to 5°F | 8 km |
| 42413 | 7a | 0 to 5°F | 11 km |
| 42440 | 7a | 0 to 5°F | 13 km |
| 42456 | 7a | 0 to 5°F | 18 km |
| 42442 | 7a | 0 to 5°F | 19 km |
| 42344 | 7a | 0 to 5°F | 20 km |
| 42453 | 7a | 0 to 5°F | 22 km |
| 42325 | 7a | 0 to 5°F | 23 km |
| 42464 | 7a | 0 to 5°F | 24 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 USC00155067, at 37.3475, -87.5239, elevation 130 m (425 ft).
- Data quality: Representative (10+ years), 23 years of freeze data.
- Average days per year at or below 32°F: 80.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Providence (22 km)
- Calhoun Lock 2 (31 km)
- Princeton 1 SE (39 km)
- Henderson 8 SSW (47 km)
- Henderson State Police (50 km)
- Beaver Dam (55 km)
- Hopkinsville (55 km)
- Rochester Ferry (58 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.