Last frost date in Derby, Kansas
April 14
Average last frost in spring. In an early year (1 in 10) it's over by March 30; in a late year (1 in 10) it comes after April 30.
October 22
Average first frost in fall. 1 year in 10 it comes by October 5.
Source: NOAA U.S. Climate Normals 1991–2020, station Haysville 3SE (USC00143545), 4.2 miles from Derby, elevation 1,240 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Haysville, so its frost dates are the same as Derby's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Mar 30 | Apr 14 | Apr 30 |
| First frost in fall | Oct 5 | Oct 22 | Nov 4 |
Frost-free days in an average year: 189
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 24 | Oct 12 |
| Frost (32°F) | Every year | Apr 14 | Oct 22 |
| Hard freeze (28°F) | Every year | Apr 3 | Oct 31 |
Nights at 32°F or colder in an average year: 114
What to plant now in Derby
- Spring planting calendar for an average last frost around April 10 Derby: April 14
- Fall planting calendar for an average first frost around October 20 Derby: October 22
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 Kansas
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