Below is climatological information regarding late summer and fall first freeze dates across the Northland.
Here are average first freeze (equal or less than 32 degrees F) dates for select locations across northeast Minnesota and northwest Wisconsin.
|
|
Average First Freeze |
First Freeze |
Last Freeze |
|
Duluth, MN |
9-30 |
8-27-1986 |
11-6-1900 |
|
International Falls, MN |
9-13 |
7-11-1911 |
10-6-1919 |
|
Brainerd, MN |
9-21 |
8-6-1977 |
10-12-1933 |
|
Mellen, WI |
9-14 |
7-1-1988 |
10-12-1931 |
|
Two Harbors, MN |
9-30 |
9-6-2011 |
11-2-1931 |
|
Grand Marais, MN |
9-29 |
7-1-1947 |
11-2-1963 |
|
Hibbing, MN |
9-8 |
7-5-2001 |
10-2-1990 |
|
Fall Freeze Status Map - Minnesota |
Fall Freeze Status Map - Wisconsin |
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| Average Date of first Fall Freeze - Minnesota | Average Date of first Fall Freeze - Wisconsin |
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| Regional Map of Average first Fall Freeze dates | |
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More helpful websites:
The Minnesota Climatology Working Group
Wisconsin State Climatologist Autumn Weather
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