When Is the Best Time of Year to Replace Your Roof?

If your roof is due for replacement, one of the first questions most Wisconsin and Minnesota homeowners ask is when to schedule it. Unlike many home improvement projects, roofing has real seasonal considerations in this part of the country. 

Extreme cold affects how shingles seal. Busy contractor schedules affect how quickly you can get on the books. And waiting too long into fall can mean heading into another brutal Midwest winter with a roof that needed replacing months ago. 

Krumm Exteriors has been replacing roofs across Wisconsin and Minnesota for over 20 years, and the timing question comes up on almost every project. Here is a breakdown of when is the best time of year to replace your roof.

Quick Answer: Best Time to Replace a Roof

• Best overall: Late summer through early fall
• Second best: Spring
• Summer: Good, but weather and storms can impact timing
• Winter: Possible for emergencies, but not ideal

Best Time for Roof Replacement: Late Summer and Fall

For most Wisconsin and Minnesota homeowners, late summer through early fall is the best time to schedule a roof replacement. Temperatures are in a range that allows roofing materials to be installed and sealed properly, contractor crews are working at full capacity, and you have enough time before winter to get the project completed without the pressure of a hard deadline.

Late summer and early fall in the Twin Cities and across Western Wisconsin typically deliver ideal conditions for roof replacement:

• Temperatures are warm enough for asphalt shingle adhesive strips to seal correctly
• Materials perform as designed and have time to fully set before freeze-thaw season begins
• Experienced crews are working at full capacity

The one trade-off is scheduling. Late summer and fall are peak seasons for roofing contractors across the region, so booking early matters. Reaching out in late spring or early summer puts you in the best position to secure your preferred window.

Spring Roof Replacement: A Strong Second Option

Spring is the second most popular window for roof replacements in Wisconsin and Minnesota. Once temperatures climb consistently above 40 degrees and the last frost has passed, conditions become workable again.

Why spring works well:

• Post-winter inspections often reveal ice dams and freeze-thaw damage that prompt homeowners to move forward
• Contractor availability tends to be better than in the fall, so projects move from estimate to completion more quickly
• Less scheduling pressure than the peak summer and fall season

One thing to keep in mind: spring in Wisconsin and Minnesota can be unpredictable. A late frost or stretch of wet weather can push timelines, so building some flexibility into your schedule is worth doing.

Summer Roof Replacement: What to Expect

Summer replacements are common and completely viable, though there are a few regional considerations worth knowing:

• July and August heat is demanding work for crews, and very high temperatures can make some materials more pliable and harder to handle precisely
• Hail and high winds peak in late spring through midsummer, so you may be scheduling during the most active storm damage season in Wisconsin and Minnesota

Neither of these is a reason to avoid summer scheduling. But they do reinforce the value of working with a local contractor who knows the region and can help you assess whether your existing roof has storm damage worth documenting before replacement work begins.

Winter Roof Replacement: When It Makes Sense

Winter replacements are possible in Wisconsin and Minnesota, but come with real limitations:

• Cold temperatures affect how asphalt shingles seal, sometimes requiring hand-sealing of individual shingles
• Ice and snow create safety challenges for crews
• Extreme cold makes materials more brittle and harder to work with precisely

That said, sometimes winter is the right call. If your roof is actively failing, leaking, or poses a structural risk, waiting until spring is not an option. Krumm Exteriors handles emergency winter replacements when the situation calls for it, and our crews have the experience to manage cold-weather installations properly.

What Determines Your Best Window

The truth is that the best time to replace your roof is when your roof needs replacing. Waiting for a perfect seasonal window while your roof deteriorates through another winter or storm season usually costs more in the end than scheduling the work promptly.

If you are unsure where your roof stands, a free inspection is the right starting point. Krumm Exteriors assesses your roof’s current condition, identifies any issues, and gives you an honest recommendation on timing and scope. 

From there, we work around your schedule and help you choose materials from trusted manufacturers like Owens Corning and CertainTeed that are suited to Wisconsin and Minnesota conditions.

Contact Krumm Exteriors today to schedule your free inspection and get a clear picture of where your roof stands heading into the next season.

Roof Replacement FAQs

What temperature is too cold to install asphalt shingles? 

Most manufacturers recommend installing asphalt shingles in temperatures above 40 degrees Fahrenheit. Below that threshold, shingles become brittle and the adhesive strips do not seal reliably without additional hand-sealing. In Wisconsin and Minnesota, this makes late fall through early spring the most challenging window for standard installations.

How far in advance should I book a roof replacement in Wisconsin or Minnesota? 

For fall replacements, booking in late spring or early summer gives you the best chance of securing your preferred schedule. Spring replacements can often be booked with shorter lead times. The further out you plan, the more flexibility you have on timing and material selection.

Does Krumm Exteriors offer free roof inspections? 

Yes. Krumm Exteriors provides free inspections to assess your roof’s condition, identify any damage or wear, and give you a detailed report and honest recommendations before any commitment is made.

Can a roof be replaced in winter if needed? 

Yes, though it requires experienced crews, appropriate techniques, and careful material handling. Krumm Exteriors manages emergency winter replacements when a roof cannot safely wait for warmer conditions, and our teams are equipped to handle cold-weather installations correctly.