Last frost date in Jeffersontown, Kentucky
April 3
Average last frost in spring. In an early year (1 in 10) it's over by March 18; in a late year (1 in 10) it comes after April 19.
November 3
Average first frost in fall. 1 year in 10 it comes by October 21.
Source: NOAA U.S. Climate Normals 1991–2020, station Louisville Bowman Fld (USW00013810), 5.3 miles from Jeffersontown, elevation 540 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Lyndon and St. Matthews, so their frost dates are the same as Jeffersontown's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Mar 18 | Apr 3 | Apr 19 |
| First frost in fall | Oct 21 | Nov 3 | Nov 16 |
Frost-free days in an average year: 214
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 16 | Oct 23 |
| Frost (32°F) | Every year | Apr 3 | Nov 3 |
| Hard freeze (28°F) | Every year | Mar 22 | Nov 13 |
Nights at 32°F or colder in an average year: 80
What to plant now in Jeffersontown
- 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 March 30 Jeffersontown: April 3
- Fall planting calendar for an average first frost around October 30 Jeffersontown: November 3
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
- Louisville 5 mi · last frost Apr 6
- Shively 13 mi · last frost Mar 31
- La Grange 17 mi · last frost Apr 12
- Shepherdsville 17 mi · last frost Apr 18
- Shelbyville 18 mi · last frost May 1
Updated