Last frost date in Lee's Summit, MO
Expect the last frost in Lee's Summit around April 7. Frost after April 24 happens in only one year out of ten. The first fall frost usually arrives about October 29, which leaves 202 frost-free days. An early freeze before October 14 happens one year in ten.
- Safe after (10% risk)
- Apr 24
- Average first frost
- Oct 29
- Frost-free season
- 202 days
- Hard freeze (28°F) ends
- Mar 28
No frost in the next 7 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2253°
- FriOct 2356°
- SatOct 2455°
- SunOct 2555°
- MonOct 2650°
- TueOct 2746°
- WedOct 2849°
Planting calendar for Lee's Summit
Windows count forward or back from the average frost dates above. Click a crop for dates across Missouri.
TomatoesApr 14–Apr 28
PumpkinsApr 21–May 5
SunflowersApr 7–Apr 28
CucumbersApr 21–Apr 28
CornApr 14–Apr 28
Sweet potatoesApr 28–May 12
WatermelonApr 21–May 5
Green beansApr 14–May 5
ZucchiniApr 14–Apr 28
OkraApr 28–May 12
PeppersApr 21–May 5
BasilApr 14–Apr 28
Butternut squashApr 14–Apr 28
CantaloupeApr 21–May 5
EggplantApr 21–May 5
PotatoesMar 10–Mar 24
OnionsFeb 24–Mar 17
CarrotsMar 17–Apr 21
LettuceMar 24–Apr 14
BroccoliMar 10–Mar 24
BeetsMar 10–Apr 21
PeasFeb 24–Mar 10
CabbageMar 10–Mar 24
RadishesMar 3–Apr 14
Brussels sproutsMar 24–Apr 7
SpinachFeb 24–Mar 17
CilantroMar 24–Apr 14
KaleMar 10–Mar 24
Collard greensMar 10–Mar 24
TurnipsMar 10–Mar 24
DillApr 7–Apr 21
CeleryApr 14–Apr 21
CauliflowerMar 24–Apr 7
LeeksMar 24–Apr 7
Swiss chardMar 24–Apr 21
ParsleyMar 24–Apr 14
Tulip bulbsOct 15–Nov 19
GarlicOct 8–Nov 12
Daffodil bulbsOct 1–Nov 12
StrawberriesMar 10–Mar 24
AsparagusMar 10–Mar 24Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Mar 21 | Apr 7 | Apr 24 | Oct 14 | Oct 29 | Nov 12 |
| Hard freeze, 28°F | Mar 10 | Mar 28 | Apr 11 | Oct 24 | Nov 7 | Nov 24 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Lees Summit Municipal Airport (USW00053879) sits 2.7 miles from the center of Lee's Summit at 997 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Lee's Summit, MO?
The average last frost date in Lee's Summit is April 7, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 24.
When is the first frost in Lee's Summit?
The first frost in fall usually comes around October 29. One year in ten it arrives before October 14.
How long is the growing season in Lee's Summit?
About 202 days between the average last and first frost.
When should I plant tomatoes in Lee's Summit?
Plant tomato seedlings outside from April 14 to April 28. Start seeds indoors six to eight weeks earlier.
Nearby in Missouri
- RaytownApr 7
- GrandviewApr 7
- Blue SpringsApr 7
- RaymoreApr 13
- BeltonApr 13
- IndependenceApr 10
- Kansas CityApr 4
- LibertyApr 19
- GladstoneApr 4
- WarrensburgApr 14
- St. JosephApr 19
- SedaliaApr 18