Last frost date in Louisville, Kentucky
April 6
Average last frost in spring. In an early year (1 in 10) it's over by March 23; in a late year (1 in 10) it comes after April 23.
November 1
Average first frost in fall. 1 year in 10 it comes by October 21.
Source: NOAA U.S. Climate Normals 1991–2020, station Louisville WFO (USC00154958), 3.5 miles from Louisville, elevation 632 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Mount Washington, so its frost dates are the same as Louisville's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Mar 23 | Apr 6 | Apr 23 |
| First frost in fall | Oct 21 | Nov 1 | Nov 15 |
Frost-free days in an average year: 209
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 19 | Oct 23 |
| Frost (32°F) | Every year | Apr 6 | Nov 1 |
| Hard freeze (28°F) | Every year | Mar 26 | Nov 11 |
Nights at 32°F or colder in an average year: 85
What to plant now in Louisville
- Corn saladSept 15 – Nov 1Now
- Upland cressSept 15 – Nov 1Now
- Rhubarb plantsNov 1 – Dec 1Soon
- Asparagus plantsNov 15 – Jan 1Soon
- Spring planting calendar for an average last frost around April 10 Louisville: April 6
- Fall planting calendar for an average first frost around October 30 Louisville: November 1
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in Kentucky
- Jeffersontown 5 mi · last frost Apr 3
- Shively 9 mi · last frost Mar 31
- Shepherdsville 13 mi · last frost Apr 18
- La Grange 22 mi · last frost Apr 12
- Shelbyville 23 mi · last frost May 1
Updated