Missouri frost dates by city
| City | Last frost (50%) | Safer date (10%) | First frost (50%) | Season |
|---|---|---|---|---|
| Kansas City | Apr 13 | Apr 29 | Oct 24 | 193 days |
| Springfield | Apr 9 | Apr 27 | Oct 27 | 199 days |
| St. Louis | Apr 2 | Apr 17 | Nov 4 | 215 days |
Each city uses its nearest major NOAA weather station, usually the airport. Valleys, hilltops and rural spots can differ from it by one to three weeks. How to read these dates.