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Average frost dates for 60 US cities
Printable chart of average last spring and first fall frost dates for 60 big US cities, with hardiness zones and frost-free days.
What is on this chart
Median last spring frost and first fall frost (32°F), with the frost-free days in between.
| City | Zone | Last frost | First frost | Days |
|---|---|---|---|---|
| Washington, DC | 8a | Mar 29 | Nov 8 | 224 |
| Houston, TX | 9b | Feb 13 | Dec 9 | 299 |
| New York, NY | 7b | Mar 30 | Nov 20 | 235 |
| El Paso, TX | 8b | Mar 2 | Nov 20 | 263 |
| Dallas, TX | 8b | Mar 2 | Nov 29 | 272 |
| Sacramento, CA | 9b | Jan 12 | Dec 16 | 338 |
| Atlanta, GA | 8a | Mar 24 | Nov 8 | 229 |
| Philadelphia, PA | 7b | Mar 30 | Nov 17 | 232 |
| San Antonio, TX | 9a | Feb 25 | Nov 28 | 276 |
| Chicago, IL | 6a | Apr 10 | Nov 1 | 205 |
| Las Vegas, NV | 9b | Jan 24 | Dec 10 | 320 |
| Oklahoma City, OK | 7b | Apr 2 | Nov 4 | 216 |
| Austin, TX | 9a | Mar 4 | Nov 24 | 265 |
| Charlotte, NC | 8a | Mar 30 | Nov 3 | 218 |
| San Diego, CA | 10b | Jan 6 | Dec 31 | 359 |
| Pittsburgh, PA | 6b | Apr 24 | Oct 27 | 186 |
| Kansas City, MO | 6b | Apr 4 | Nov 2 | 212 |
| Cincinnati, OH | 6b | Apr 17 | Oct 26 | 192 |
| Minneapolis, MN | 5a | Apr 23 | Oct 16 | 176 |
| Saint Louis, MO | 7a | Apr 1 | Nov 4 | 217 |
| Louisville, KY | 7a | Apr 3 | Nov 3 | 214 |
| Birmingham, AL | 8a | Mar 21 | Nov 11 | 235 |
| New Orleans, LA | 9b | Feb 1 | Dec 31 | 333 |
| Memphis, TN | 8a | Mar 16 | Nov 16 | 245 |
| Denver, CO | 6a | Apr 30 | Oct 12 | 165 |
| Portland, OR | 9a | Feb 25 | Dec 1 | 279 |
| Seattle, WA | 9a | Mar 13 | Nov 17 | 249 |
| Des Moines, IA | 5b | Apr 23 | Oct 15 | 175 |
| Fresno, CA | 9b | Jan 30 | Dec 11 | 315 |
| Indianapolis, IN | 6b | Apr 20 | Oct 21 | 184 |
| City | Zone | Last frost | First frost | Days |
|---|---|---|---|---|
| San Jose, CA | 9b | Jan 2 | Dec 25 | 357 |
| Fort Worth, TX | 8b | Mar 10 | Nov 20 | 255 |
| Tucson, AZ | 9b | Jan 26 | Dec 16 | 324 |
| Colorado Springs, CO | 6a | May 3 | Oct 8 | 158 |
| Tulsa, OK | 7b | Mar 31 | Nov 4 | 218 |
| Albany, NY | 6a | Apr 27 | Oct 15 | 171 |
| Salt Lake City, UT | 7b | Apr 25 | Oct 18 | 176 |
| Detroit, MI | 6b | Apr 27 | Oct 25 | 181 |
| Brooklyn, NY | 7b | Apr 1 | Nov 19 | 232 |
| Columbus, OH | 6b | Apr 20 | Oct 24 | 187 |
| Omaha, NE | 6a | Apr 18 | Oct 21 | 186 |
| Buffalo, NY | 6b | Apr 24 | Oct 26 | 185 |
| Charleston, WV | 7a | Apr 16 | Oct 26 | 193 |
| Fort Wayne, IN | 6a | Apr 24 | Oct 21 | 180 |
| Raleigh, NC | 8a | Mar 28 | Nov 8 | 225 |
| Dayton, OH | 6b | Apr 18 | Oct 25 | 190 |
| Baton Rouge, LA | 9a | Feb 25 | Nov 26 | 274 |
| Albuquerque, NM | 7b | Apr 18 | Oct 24 | 189 |
| Cleveland, OH | 7a | Apr 8 | Nov 12 | 218 |
| Huntington, WV | 7a | Apr 8 | Nov 1 | 207 |
| Roanoke, VA | 7b | Apr 3 | Nov 1 | 212 |
| Milwaukee, WI | 6a | Apr 26 | Oct 22 | 179 |
| Baltimore, MD | 7b | Mar 24 | Nov 21 | 242 |
| Lexington, KY | 7a | Apr 13 | Oct 28 | 198 |
| Richmond, VA | 7b | Apr 3 | Nov 4 | 215 |
| Rochester, NY | 6b | Apr 24 | Oct 25 | 184 |
| Hartford, CT | 6b | Apr 17 | Oct 26 | 192 |
| Nashville, TN | 7b | Apr 1 | Oct 31 | 213 |
| Saint Paul, MN | 5a | Apr 25 | Oct 16 | 174 |
| Shreveport, LA | 8b | Feb 28 | Nov 24 | 269 |
