Frost dates in St. Louis County, Missouri
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The average last spring frost in St. Louis County falls Apr 1 to Apr 12 and the average first fall frost Oct 23 to Nov 5, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 6b to 7a. Places: Affton, Ballwin, Bellefontaine Neighbors, Berkeley, Brentwood, Bridgeton. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.
| ZIP | Place | Last spring frost | First fall frost | Zone |
|---|---|---|---|---|
| 63005 | Wildwood | Apr 12 | Oct 23 | 6b |
| 63011 | Ballwin | Apr 4 | Oct 29 | 7a |
| 63017 | Chesterfield | Apr 4 | Oct 29 | 7a |
| 63021 | Ballwin | Apr 4 | Oct 29 | 7a |
| 63025 | Eureka | Apr 12 | Oct 23 | 6b |
| 63031 | Florissant | Apr 2 | Nov 4 | 7a |
| 63033 | Florissant | Apr 2 | Nov 4 | 7a |
| 63034 | Old Jamestown | Apr 4 | Nov 5 | 7a |
| 63038 | Wildwood | Apr 12 | Oct 23 | 7a |
| 63040 | Wildwood | Apr 12 | Oct 23 | 7a |
| 63042 | Hazelwood | Apr 2 | Nov 4 | 7a |
| 63043 | Maryland Heights | Apr 2 | Nov 4 | 7a |
| 63044 | Bridgeton | Apr 2 | Nov 4 | 6b |
| 63045 | Apr 8 | Oct 29 | 6b | |
| 63074 | St. Ann | Apr 2 | Nov 4 | 7a |
| 63088 | Valley Park | Apr 4 | Oct 29 | 6b |
| 63105 | Clayton | Apr 1 | Nov 4 | 7a |
| 63114 | Overland | Apr 2 | Nov 4 | 7a |
| 63117 | Richmond Heights | Apr 1 | Nov 4 | 7a |
| 63119 | Webster Groves | Apr 1 | Nov 4 | 7a |
| 63121 | Normandy | Apr 2 | Nov 4 | 7a |
| 63122 | Kirkwood | Apr 1 | Nov 4 | 7a |
| 63123 | Affton | Apr 1 | Nov 4 | 7a |
| 63124 | Ladue | Apr 1 | Nov 4 | 7a |
| 63125 | Lemay | Apr 6 | Oct 27 | 7a |
| 63126 | Crestwood | Apr 1 | Nov 4 | 7a |
| 63127 | Sunset Hills | Apr 1 | Nov 4 | 7a |
| 63128 | Concord | Apr 1 | Nov 4 | 7a |
| 63129 | Oakville | Apr 6 | Oct 27 | 7a |
| 63130 | University City | Apr 1 | Nov 4 | 7a |
| 63131 | Town and Country | Apr 4 | Oct 29 | 7a |
| 63132 | Olivette | Apr 2 | Nov 4 | 7a |
| 63133 | Pagedale | Apr 1 | Nov 4 | 7a |
| 63134 | Berkeley | Apr 2 | Nov 4 | 7a |
| 63135 | Ferguson | Apr 2 | Nov 4 | 7a |
| 63136 | Jennings | Apr 2 | Nov 4 | 7a |
| 63137 | Bellefontaine Neighbors | Apr 2 | Nov 4 | 7a |
| 63138 | Spanish Lake | Apr 4 | Nov 5 | 7a |
| 63140 | Kinloch | Apr 2 | Nov 4 | 7a |
| 63141 | Creve Coeur | Apr 4 | Oct 29 | 7a |
| 63143 | Maplewood | Apr 1 | Nov 4 | 7a |
| 63144 | Brentwood | Apr 1 | Nov 4 | 7a |
| 63146 | Maryland Heights | Apr 4 | Oct 29 | 7a |
Nearby counties
St. Louis city St. Charles County Jefferson County Franklin County Lincoln County Warren County
All Missouri counties · Download Missouri frost dates (CSV)
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