Frost dates by ZIP
First and last frost dates by ZIP code
Atlanta (ZIP 30301) has an average last spring frost around Mar 29 and first fall frost around Nov 10, about 226 frost-free days.
Source: atlanta-hartsfield frost station, USDA zone 8a, last updated 2026-06-28. Verify locally before planting high-value crops because microclimates, current weather, and yard exposure can move the safe date.
Enter a ZIP for the local frost-date page, or scan the supported ZIP rows below. Each row is a text-backed planning estimate with the representative frost station, USDA zone, and frost-free season length.
| ZIP | City | State | Last frost | First frost | Frost-free days | Station | Zone |
|---|---|---|---|---|---|---|---|
| 10001 | New York | NY | Apr 8 | Nov 5 | 211 | new-york-central-park | 7b |
| 19103 | Philadelphia | PA | Apr 10 | Nov 5 | 209 | philadelphia-intl | 7b |
| 20001 | Washington | DC | Apr 15 | Nov 5 | 204 | washington-reagan | 7b |
| 21201 | Baltimore | MD | Apr 15 | Nov 5 | 204 | baltimore-inner-harbor | 7b |
| 23451 | Virginia Beach | VA | Apr 1 | Nov 15 | 228 | virginia-beach-oceana | 8b |
| 27601 | Raleigh | NC | Apr 10 | Nov 1 | 205 | raleigh-durham | 8a |
| 28202 | Charlotte | NC | Apr 5 | Nov 5 | 214 | charlotte-douglas | 8a |
| 30301 | Atlanta | GA | Mar 29 | Nov 10 | 226 | atlanta-hartsfield | 8a |
| 32202 | Jacksonville | FL | Mar 1 | Dec 5 | 279 | jacksonville-intl | 9a |
| 33131 | Miami | FL | Jan 1 | Dec 31 | 364 | miami-intl | 11a |
| 33602 | Tampa | FL | Feb 1 | Dec 20 | 322 | tampa-intl | 10a |
| 37203 | Nashville | TN | Apr 10 | Oct 25 | 198 | nashville-intl | 7b |
| 38103 | Memphis | TN | Mar 25 | Nov 5 | 225 | memphis-intl | 8a |
| 40202 | Louisville | KY | Apr 15 | Oct 25 | 193 | louisville-intl | 7a |
| 43215 | Columbus | OH | Apr 30 | Oct 15 | 168 | columbus-port-columbus | 6b |
| 44114 | Cleveland | OH | May 5 | Oct 20 | 168 | cleveland-hopkins | 6b |
| 46204 | Indianapolis | IN | Apr 25 | Oct 15 | 173 | indianapolis-intl | 6b |
| 48226 | Detroit | MI | May 5 | Oct 15 | 163 | detroit-metro | 6b |
| 53202 | Milwaukee | WI | May 10 | Oct 10 | 153 | milwaukee-mitchell | 6a |
| 55401 | Minneapolis | MN | May 10 | Oct 1 | 144 | minneapolis-st-paul | 5a |
| 60601 | Chicago | IL | Apr 25 | Oct 20 | 178 | chicago-ohare | 6a |
| 64106 | Kansas City | MO | Apr 15 | Oct 20 | 188 | kansas-city-downtown | 6b |
| 67202 | Wichita | KS | Apr 20 | Oct 20 | 183 | wichita-eisenhower | 7a |
| 68102 | Omaha | NE | May 5 | Oct 10 | 158 | omaha-eppley | 6a |
| 70112 | New Orleans | LA | Feb 10 | Dec 10 | 303 | new-orleans-lakefront | 9b |
| 73102 | Oklahoma City | OK | Apr 5 | Oct 30 | 208 | oklahoma-city-will-rogers | 7b |
| 74103 | Tulsa | OK | Apr 5 | Oct 30 | 208 | tulsa-intl | 7b |
| 75201 | Dallas | TX | Mar 12 | Nov 22 | 255 | dallas-love | 8b |
| 76010 | Arlington | TX | Mar 12 | Nov 22 | 255 | dallas-love | 8b |
| 76102 | Fort Worth | TX | Mar 12 | Nov 22 | 255 | dallas-love | 8b |
| 77002 | Houston | TX | Feb 20 | Dec 5 | 288 | houston-hobby | 9b |
| 78205 | San Antonio | TX | Mar 1 | Nov 20 | 264 | san-antonio-intl | 9a |
| 78701 | Austin | TX | Mar 5 | Nov 20 | 260 | austin-bergstrom | 8b |
| 79901 | El Paso | TX | Mar 15 | Nov 10 | 240 | el-paso-intl | 8b |
| 80012 | Aurora | CO | May 5 | Oct 5 | 153 | denver-intl | 6a |
| 80202 | Denver | CO | May 5 | Oct 5 | 153 | denver-intl | 6a |
| 80903 | Colorado Springs | CO | May 15 | Oct 1 | 139 | colorado-springs-muni | 6a |
| 85001 | Phoenix | AZ | Feb 5 | Dec 15 | 313 | phoenix-skyharbor | 10a |
| 85201 | Mesa | AZ | Feb 5 | Dec 15 | 313 | phoenix-skyharbor | 10a |
| 85701 | Tucson | AZ | Feb 15 | Dec 5 | 293 | tucson-intl | 9b |
| 87102 | Albuquerque | NM | Apr 15 | Oct 20 | 188 | albuquerque-sunport | 7b |
| 89101 | Las Vegas | NV | Mar 1 | Nov 20 | 264 | las-vegas-harry-reid | 9a |
| 90012 | Los Angeles | CA | Jan 20 | Dec 15 | 329 | los-angeles-civic-center | 10b |
| 90802 | Long Beach | CA | Jan 20 | Dec 15 | 329 | long-beach-airport | 10b |
| 92101 | San Diego | CA | Jan 30 | Dec 15 | 319 | san-diego-lindbergh | 10b |
| 92805 | Anaheim | CA | Jan 20 | Dec 15 | 329 | anaheim-fullerton | 10b |
| 93301 | Bakersfield | CA | Feb 20 | Nov 25 | 278 | bakersfield-meadows | 9b |
| 93721 | Fresno | CA | Feb 20 | Nov 25 | 278 | fresno-yosemite | 9b |
| 94102 | San Francisco | CA | Jan 25 | Dec 15 | 324 | san-francisco-downtown | 10a |
| 94612 | Oakland | CA | Feb 1 | Dec 1 | 303 | oakland-intl | 10a |
| 95113 | San Jose | CA | Feb 15 | Dec 1 | 289 | san-jose-mineta | 9b |
| 95814 | Sacramento | CA | Feb 20 | Nov 25 | 278 | sacramento-executive | 9b |
| 96813 | Honolulu | HI | Jan 1 | Dec 31 | 364 | honolulu-intl | 12b |
| 97204 | Portland | OR | Apr 1 | Nov 10 | 223 | portland-intl | 9a |
| 98101 | Seattle | WA | Mar 20 | Nov 20 | 245 | seattle-tacoma | 9a |
| 02108 | Boston | MA | Apr 20 | Oct 31 | 194 | boston-logan | 7a |