National Frost Dates by City and State
(in Alphabetical Order)
Please note the following: Frost dates vary somewhat within each region depending upon the local terrain, and presence of a water body. Frost dates prior to February 8th, and later than December 13th, are outside the range of this slide chart. This table lists general data only - see your local state university extension office for exact frost dates in your area.
| STATE |
|
CITY |
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| |
|
|
|
|
|
|
| AL |
|
Birmingham |
|
30-Mar |
|
10-Nov |
| |
|
Huntsville |
|
30-Mar |
|
30-Oct |
| |
|
Mobile |
|
28-Feb |
|
25-Nov |
| |
|
Montgomery |
|
20-Mar |
|
10-Nov |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| AR |
|
Fayetteville |
|
20-Apr |
|
20-Oct |
| |
|
Fort Smith |
|
30-Mar |
|
30-Oct |
| |
|
Little Rock |
|
30-Mar |
|
10-Nov |
| |
|
Pine Bluff |
|
20-Mar |
|
10-Nov |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| AZ |
|
Flagstaff |
|
15-Jun |
|
20-Sep |
| |
|
Phoenix |
|
20-Feb |
|
15-Dec |
| |
|
Tucson |
|
28-Feb |
|
30-Nov |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| CA |
|
Eureka |
|
30-Jan |
|
15-Dec |
| |
|
Fresno |
|
30-Mar |
|
30-Oct |
| |
|
Palo Alto |
|
20-Feb |
|
5-Dec |
| |
|
Sacramento |
|
15-Feb |
|
1-Dec |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| CO |
|
Colorado Spr. |
|
5-Jun |
|
30-Sep |
| |
|
Denver |
|
5-May |
|
10-Oct |
| |
|
Durango |
|
5-Jun |
|
20-Sep |
| |
|
Telluride |
|
30-Jun |
|
30-Aug |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| CT |
|
Bridgeport |
|
20-Apr |
|
20-Oct |
| |
|
Hartford |
|
25-Apr |
|
10-Oct |
| |
|
Norwalk |
|
25-Apr |
|
15-Oct |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| DC |
|
Washington DC |
|
10-Apr |
|
30-Oct |
| DE |
|
Wilmington |
|
15-Apr |
|
30-Oct |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| FL |
|
Ocala |
|
20-Feb |
|
10-Dec |
| |
|
Tallahassee |
|
10-Mar |
|
15-Nov |
| |
|
Tampa |
|
30-Jan |
|
5-Jan |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| GA |
|
Albany |
|
10-Mar |
|
15-Nov |
| |
|
Athens |
|
30-Mar |
|
10-Nov |
| |
|
Atlanta |
|
30-Mar |
|
5-Nov |
| |
|
Columbus |
|
20-Mar |
|
10-Nov |
| |
|
Savannah |
|
10-Mar |
|
15-Nov |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| IA |
|
Atlantic |
|
10-May |
|
30-Sep |
| |
|
Cedar Rapids |
|
30-Apr |
|
10-Oct |
| |
|
Council Bluffs |
|
30-Apr |
|
15-Oct |
| |
|
Davenport |
|
25-Apr |
|
15-Oct |
| |
|
Des Moines |
|
5-May |
|
5-Oct |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| ID |
|
Boise |
|
10-May |
|
10-Oct |
| |
|
Pocatello |
|
30-May |
|
30-Aug |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| IL |
|
Champaign |
|
5-May |
|
25-Oct |
| |
|
Chicago |
|
20-Apr |
|
25-Oct |
| |
|
Marion |
|
10-Apr |
|
20-Oct |
| |
|
Moline |
|
25-Apr |
|
15-Oct |
| |
|
Peoria |
|
30-Apr |
|
10-Oct |
| |
|
Springfield |
|
15-Apr |
|
20-Oct |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| IN |
|
Evansville |
|
30-Mar |
|
25-Oct |
| |
|
Fort Wayne |
|
5-May |
|
10-Oct |
| |
|
Gary |
|
20-Apr |
|
20-Oct |
| |
|
Indianapolis |
|
20-Apr |
|
20-Oct |
| |
|
Lafayette |
|
30-Apr |
|
15-Oct |
| |
|
South Bend |
|
1-May |
|
20-Oct |
| |
|
Terre Haute |
|
20-Apr |
|
20-Oct |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| KS |
|
Manhattan |
|
25-Apr |
|
20-Oct |
| |
|
Topeka |
|
20-Apr |
|
15-Oct |
| |
|
Wichita |
|
10-Apr |
|
25-Oct |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| KY |
|
Ashland |
|
20-Apr |
|
20-Oct |
| |
|
Bowling Green |
|
10-Apr |
|
20-Oct |
| |
|
Lexington |
|
15-Apr |
|
25-Oct |
| |
|
Louisville |
|
20-Apr |
|
20-Oct |
| |
|
Owensboro |
|
30-Mar |
|
30-Oct |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| LA |
|
Monroe |
|
10-Mar |
|
5-Nov |
| |
|
New Orleans |
|
20-Feb |
|
5-Dec |
| |
|
Shreveport |
|
20-Mar |
|
20-Nov |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| MA |
|
Amherst |
|
10-May |
|
30-Sep |
| |
|
Boston |
|
20-Apr |
|
20-Oct |
| |
|
New Bedford |
|
20-Apr |
|
30-Oct |
| |
|
Pittsfield |
|
10-May |
|
20-Sep |
| |
|
Springfield |
|
10-May |
|
20-Sep |
| |
|
Worcester |
|
30-Apr |
|
15-Oct |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| MD |
|
Baltimore |
|
25-Mar |
|
15-Nov |
| |
|
Cumberland |
|
30-Apr |
|
10-Oct |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| ME |
|
Bangor |
|
10-May |
|
10-Oct |
| |
|
Bar Harbor |
|
5-May |
|
20-Sep |
| |
|
Portland |
|
10-May |
|
30-Sep |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| MI |
|
Ann Arbor |
|
30-Apr |
|
20-Oct |
| |
|
Detroit |
|
30-Apr |
|
20-Oct |
| |
|
Grand Rapids |
|
10-May |
|
10-Oct |
| |
|
Grayling |
|
5-Jun |
|
10-Sep |
| |
|
Lansing |
|
15-May |
|
30-Sep |
| |
|
Marquette |
|
10-May |
|
20-Oct |
| |
|
Saginaw |
|
10-May |
|
25-Sep |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| MN |
|
Duluth |
|
20-May |
|
20-Sep |
| |
|
Minneapolis |
|
15-May |
|
30-Sep |
| |
|
Moose Lake |
|
30-May |
|
15-Sep |
| |
|
Willmar |
|
5-May |
|
5-Oct |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| MO |
|
Columbia |
|
20-Apr |
|
20-Oct |
| |
|
Hannibal |
|
15-Apr |
|
20-Oct |
| |
|
Jefferson City |
|
25-Apr |
|
15-Oct |
| |
|
Kansas City |
|
15-Apr |
|
20-Oct |
| |
|
Springfield |
|
15-Apr |
|
25-Oct |
| |
|
St. Louis |
|
15-Apr |
|
20-Oct |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| MS |
|
Columbus |
|
30-Mar |
|
30-Oct |
| |
|
Jackson |
|
20-Mar |
|
10-Nov |
| |
|
Natchez |
|
10-Mar |
|
15-Nov |
| |
|
Vicksburg |
|
15-Mar |
|
15-Nov |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| MT |
|
Billings |
|
20-May |
|
20-Sep |
| |
|
Bozeman |
|
30-May |
|
15-Sep |
| |
|
Butte |
|
30-May |
|
30-Aug |
| |
|
Fort Peck |
|
5-May |
|
30-Sep |
| |
|
Great Falls |
|
30-Jun |
|
30-Jul |
| |
|
Helena |
|
20-May |
|
20-Sep |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| NC |
|
Asheville |
|
30-Apr |
|
10-Oct |
| |
|
Fayetteville |
|
1-Apr |
|
1-Nov |
| |
|
Raleigh |
|
10-Apr |
|
10-Nov |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| ND |
|
Bismarck |
|
15-May |
|
20-Sep |
| |
|
Fargo |
|
20-May |
|
20-Sep |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| NE |
|
Blair |
|
30-Apr |
|
10-Oct |
| |
|
North Platte |
|
10-May |
|
25-Sep |
| |
|
Omaha |
|
30-Apr |
|
15-Oct |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| NH |
|
Berlin |
|
10-Jun |
|
10-Sep |
| |
|
Concord |
|
25-May |
|
20-Sep |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| NJ |
|
Atlantic City |
|
10-Apr |
|
30-Oct |
| |
|
Newark |
|
5-Apr |
|
10-Nov |
| |
|
Somerville |
|
1-May |
|
10-Oct |
| |
|
Trenton |
|
30-Apr |
|
20-Oct |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| NM |
|
Albuquerque |
|
30-May |
|
30-Sep |
| |
|
Carlsbad |
|
30-Mar |
|
5-Nov |
| |
|
Los Alamos |
|
10-May |
|
15-Oct |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| NV |
|
Las Vegas |
|
5-Mar |
|
20-Nov |
| |
|
Reno |
|
10-Jun |
|
30-Jul |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| NY |
|
Albany |
|
5-May |
|
30-Sep |
| |
|
Binghamtown |
|
5-May |
|
25-Sep |
| |
|
Buffalo |
|
30-Apr |
|
30-Oct |
| |
|
Ithaca |
|
15-May |
|
30-Sep |
| |
|
Rochester |
|
30-Apr |
|
20-Oct |
| |
|
Syracuse |
|
30-Apr |
|
15-Oct |
| |
|
Troy |
|
10-May |
|
10-Oct |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| OH |
|
Akron |
|
5-May |
|
20-Oct |
| |
|
Cincinnati |
|
15-Apr |
|
30-Oct |
| |
|
Cleveland |
|
30-Apr |
|
30-Oct |
| |
|
Columbus |
|
30-Apr |
|
10-Oct |
| |
|
Toledo |
|
30-Apr |
|
20-Oct |
| |
|
Wheeling |
|
10-May |
|
10-Oct |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| OK |
|
Boise City |
|
30-Apr |
|
15-Oct |
| |
|
Lawton |
|
1-Apr |
|
5-Nov |
| |
|
Oklahoma City |
|
20-Apr |
|
30-Oct |
| |
|
Tulsa |
|
1-Apr |
|
5-Nov |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| OR |
|
Ashland |
|
15-May |
|
10-Oct |
| |
|
Eugene |
|
30-Apr |
|
5-Nov |
| |
|
Pendleton |
|
15-Apr |
|
20-Oct |
| |
|
Portland |
|
5-Apr |
|
5-Nov |
| |
|
Salem |
|
5-May |
|
20-Oct |
| |
|
|
|
|
|
|
| |
|
|
|
AVG LAST SPRING
|
|
AVG FIRST FALL
|
| PA |
|
Allentown |
|
30-Apr |
|
20-Oct |
| |
|
Carlisle |
|
20-Apr |
|
20-Oct |
| |
|
Erie |
|
30-Apr |
|
20-Oct |
| |
|
|