Last frost dates by city, from the station record
Among large US cities, the median last spring freeze of the past 30 years runs from Jan 18 in Fremont, CA, to May 16 in Anchorage, AK. 28 of the 150 largest cities have no spring freeze in most years or too few complete years to list.
When the last freeze comes
Cities by month of median last freeze
Every city
A freeze is a daily low of 32°F or less at the city's station. Half of years end later than the median date.
| Anchorage | AK | May 16 | May 30 |
| Denver | CO | May 8 | May 24 |
| Aurora | CO | May 8 | May 24 |
| Colorado Springs | CO | May 4 | May 21 |
| Madison | WI | May 3 | May 31 |
| Boise City | ID | May 1 | May 19 |
| Sioux Falls | SD | May 1 | May 20 |
| Rochester | NY | Apr 29 | May 23 |
| Grand Rapids | MI | Apr 29 | May 20 |
| Akron | OH | Apr 29 | May 25 |
| Spokane | WA | Apr 28 | May 24 |
| Toledo | OH | Apr 27 | May 15 |
| Fort Wayne | IN | Apr 26 | May 19 |
| Cleveland | OH | Apr 25 | May 15 |
| Buffalo | NY | Apr 25 | May 14 |
| Lincoln | NE | Apr 24 | May 16 |
| Milwaukee | WI | Apr 23 | May 16 |
| St. Paul | MN | Apr 23 | May 13 |
| Minneapolis | MN | Apr 22 | May 14 |
| Worcester | MA | Apr 21 | May 14 |
| Aurora | IL | Apr 21 | Jun 8 |
| Chicago | IL | Apr 20 | May 21 |
| Reno | NV | Apr 19 | May 23 |
| Detroit | MI | Apr 19 | May 14 |
| Omaha | NE | Apr 18 | May 13 |
| Des Moines | IA | Apr 17 | May 13 |
| Cincinnati | OH | Apr 17 | May 17 |
| Pittsburgh | PA | Apr 17 | May 14 |
| Columbus | OH | Apr 16 | May 17 |
| Indianapolis | IN | Apr 16 | May 19 |
| Eugene | OR | Apr 16 | May 29 |
| Amarillo | TX | Apr 15 | May 4 |
| Lexington | KY | Apr 15 | May 19 |
| Salem | OR | Apr 14 | May 11 |
| Overland Park | KS | Apr 14 | May 4 |
| Salt Lake City | UT | Apr 13 | May 11 |
| Providence | RI | Apr 11 | Apr 30 |
| Wichita | KS | Apr 10 | Apr 30 |
| Baltimore | MD | Apr 8 | Apr 29 |
| Philadelphia | PA | Apr 7 | Apr 29 |
| Lubbock | TX | Apr 7 | May 3 |
| Santa Rosa | CA | Apr 7 | May 22 |
| Albuquerque | NM | Apr 6 | May 3 |
| Raleigh | NC | Apr 6 | Apr 23 |
| Durham | NC | Apr 6 | Apr 23 |
| Cary | NC | Apr 6 | Apr 23 |
| Kansas City | MO | Apr 4 | Apr 24 |
| Greensboro | NC | Apr 4 | Apr 22 |
| Clarksville | TN | Apr 3 | Apr 22 |
| Boston | MA | Apr 3 | Apr 19 |
| Richmond | VA | Apr 3 | May 11 |
| Charlotte | NC | Apr 1 | Apr 25 |
| Oklahoma City | OK | Apr 1 | Apr 24 |
| Tulsa | OK | Apr 1 | Apr 24 |
| St. Louis | MO | Apr 1 | Apr 22 |
| San Jose | CA | Mar 31 | Jun 29 |
| Newark | NJ | Mar 31 | Apr 18 |
| Jersey City | NJ | Mar 31 | Apr 18 |
| Louisville | KY | Mar 30 | Apr 18 |
| Knoxville | TN | Mar 30 | Apr 22 |
| New York | NY | Mar 29 | Apr 16 |
| Yonkers | NY | Mar 29 | Apr 16 |
| Nashville | TN | Mar 27 | Apr 17 |
| Winston-Salem | NC | Mar 27 | Apr 25 |
| Augusta | GA | Mar 25 | Apr 17 |
| Birmingham | AL | Mar 24 | Apr 18 |
| Washington | DC | Mar 24 | Apr 11 |
| Virginia Beach | VA | Mar 24 | Apr 19 |
| Fayetteville | NC | Mar 24 | Apr 23 |
| Huntsville | AL | Mar 23 | Apr 16 |
| Chattanooga | TN | Mar 23 | Apr 17 |
| Portland | OR | Mar 18 | Apr 11 |
| Chesapeake | VA | Mar 18 | Apr 7 |
| Norfolk | VA | Mar 18 | Apr 7 |
| Vancouver | WA | Mar 18 | Apr 11 |
| Seattle | WA | Mar 15 | May 17 |
| Atlanta | GA | Mar 14 | Apr 10 |
| Little Rock | AR | Mar 14 | Apr 16 |
| Montgomery | AL | Mar 13 | Apr 10 |
| Memphis | TN | Mar 13 | Apr 10 |
| Tallahassee | FL | Mar 12 | Apr 18 |
| Newport News | VA | Mar 11 | Apr 7 |
| Tacoma | WA | Mar 8 | Apr 13 |
| Fort Worth | TX | Mar 6 | Apr 9 |
| Arlington | TX | Mar 6 | Apr 13 |
| Irving | TX | Mar 6 | Apr 13 |
| Frisco | TX | Mar 6 | Apr 13 |
| Grand Prairie | TX | Mar 6 | Apr 13 |
| El Paso | TX | Mar 5 | Apr 6 |
| Columbus | GA | Mar 4 | Apr 8 |
| Jacksonville | FL | Mar 1 | Apr 8 |
| Scottsdale | AZ | Feb 25 | Apr 2 |
| Dallas | TX | Feb 24 | Mar 26 |
| Plano | TX | Feb 24 | Mar 26 |
| Garland | TX | Feb 24 | Mar 26 |
| McKinney | TX | Feb 24 | Mar 26 |
| San Antonio | TX | Feb 24 | Mar 30 |
| Stockton | CA | Feb 22 | Apr 21 |
| Sacramento | CA | Feb 22 | Apr 9 |
| Elk Grove | CA | Feb 22 | Apr 9 |
| Baton Rouge | LA | Feb 21 | Mar 27 |
| Mobile | AL | Feb 21 | Mar 31 |
| Austin | TX | Feb 17 | Mar 12 |
| Tucson | AZ | Feb 14 | Apr 5 |
| Corpus Christi | TX | Feb 11 | Mar 11 |
| Riverside | CA | Feb 10 | Apr 8 |
| San Bernardino | CA | Feb 10 | Apr 8 |
| Fontana | CA | Feb 10 | Apr 8 |
| Moreno Valley | CA | Feb 10 | Apr 8 |
| Bakersfield | CA | Feb 7 | Mar 8 |
| Laredo | TX | Feb 5 | Mar 11 |
| Modesto | CA | Feb 5 | Apr 9 |
| Fresno | CA | Feb 4 | Feb 28 |
| Las Vegas | NV | Feb 3 | Mar 4 |
| Henderson | NV | Feb 3 | Mar 4 |
| North Las Vegas | NV | Feb 3 | Mar 4 |
| Houston | TX | Jan 28 | Mar 12 |
| Peoria | AZ | Jan 22 | Feb 26 |
| New Orleans | LA | Jan 19 | Mar 10 |
| Orlando | FL | Jan 19 | Mar 4 |
| Oakland | CA | Jan 18 | Feb 27 |
| Fremont | CA | Jan 18 | Feb 27 |