Last frost date in Liberty, MO
In Liberty, the last spring frost comes around April 19 in an average year. Wait until May 5 if you want 90% odds of no more frost. The first fall frost usually arrives about October 17, which leaves 181 frost-free days. An early freeze before October 4 happens one year in ten.
- Safe after (10% risk)
- May 5
- Average first frost
- Oct 17
- Frost-free season
- 181 days
- Hard freeze (28°F) ends
- Apr 8
No frost in the next 7 nights
Later than usual: the average first frost here is October 17.
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2252°
- FriOct 2355°
- SatOct 2454°
- SunOct 2555°
- MonOct 2649°
- TueOct 2746°
- WedOct 2849°
Planting calendar for Liberty
Windows count forward or back from the average frost dates above. Click a crop for dates across Missouri.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Apr 4 | Apr 19 | May 5 | Oct 4 | Oct 17 | Oct 30 |
| Hard freeze, 28°F | Mar 22 | Apr 8 | Apr 24 | Oct 14 | Oct 27 | Nov 11 |
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 Kearney 3E (USC00234382) sits 9.9 miles from the center of Liberty at 840 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 Liberty, MO?
The average last frost date in Liberty is April 19, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 5.
When is the first frost in Liberty?
The first frost in fall usually comes around October 17. One year in ten it arrives before October 4.
How long is the growing season in Liberty?
About 181 days between the average last and first frost.
When should I plant tomatoes in Liberty?
Plant tomato seedlings outside from April 26 to May 10. Start seeds indoors six to eight weeks earlier.
Nearby in Missouri
- GladstoneApr 4
- Kansas CityApr 4
- IndependenceApr 10
- RaytownApr 7
- Blue SpringsApr 7
- Lee's SummitApr 7
- GrandviewApr 7
- BeltonApr 13
- RaymoreApr 13
- St. JosephApr 19
- WarrensburgApr 14
- SedaliaApr 18