How Maryland’s Climate Affects Asphalt Maintenance

William Randazzo • June 30, 2025

Understanding the Effects of Maryland’s Weather on Asphalt Care

Maintaining asphalt pavement can be a challenge in regions with variable weather conditions. In Maryland, where the climate shifts significantly across seasons, understanding how temperature, moisture, and sunlight impact asphalt is key to extending the lifespan of your driveway, parking lot, or roadway. Proper asphalt maintenance tailored to local weather patterns helps prevent costly repairs and keeps surfaces safe and durable.


How Temperature Changes Affect Asphalt

One of the primary factors that affect asphalt durability is the fluctuation of temperatures throughout the year. Asphalt expands and contracts in response to heat and cold cycles, creating stress that can lead to cracking. In Maryland, the freeze-thaw cycle during winter is especially problematic. Water seeps into small cracks and freezes overnight, expanding and causing the cracks to widen or even form potholes.


This expansion and contraction phenomenon is why seasonal asphalt repair is so critical. If you notice new cracks after winter, it’s a sign that maintenance is needed to prevent further deterioration. Addressing these early helps preserve the structural integrity of your pavement and avoid expensive full resurfacing projects down the line.

CM Ayres team member finishing a new asphalt driveway in Maryland.

The Impact of Rain and Moisture on Asphalt

Rain and moisture are constant challenges for asphalt pavement, particularly when drainage isn’t adequate. Water that penetrates the asphalt surface can weaken the base underneath, causing the pavement to settle unevenly or develop potholes. Maryland’s varied rainfall patterns mean that many properties experience heavy rains that can quickly damage poorly maintained asphalt.


Proper pavement care includes ensuring that drainage systems are clear and effective. This prevents standing water, which accelerates asphalt breakdown. Regular inspections can catch areas where water pools and prompt timely repairs to maintain pavement health.


Effects of Sunlight and UV Exposure

Many people don’t realize that sunlight, particularly UV rays, also affects asphalt. Prolonged exposure to UV causes oxidation of the asphalt binder—the glue that holds the aggregate together. This leads to brittleness and surface deterioration.


In Maryland, the sun’s intensity during summer months can accelerate this process, especially for pavements without protective coatings. Asphalt sealcoating is a highly effective way to protect your pavement from UV damage. Sealcoating not only extends asphalt lifespan but also improves appearance by restoring a dark, fresh look.


Seasonal Maintenance Tips for Asphalt in Maryland

Each season presents unique challenges for asphalt, making a year-round maintenance plan essential.

  • Winter: Prepare by sealing cracks before freezing temperatures arrive to prevent water infiltration and freeze-thaw damage.
  • Spring: Conduct a thorough inspection after winter, repairing any new cracks or potholes. This is also a good time to assess drainage and clean gutters or drains.
  • Summer: Apply sealcoat to protect against UV rays and heat-related expansion. Avoid heavy traffic immediately after sealcoating to allow proper curing.
  • Fall: Clear debris and leaves that can trap moisture and inspect for any wear caused during the summer heat.

By aligning your asphalt maintenance schedule with these seasonal needs, you can significantly improve the pavement’s performance and longevity.

CM Ayres-installed asphalt driveway offering a smooth and long-lasting surface.
Freshly paved residential asphalt driveway installed by CM Ayres.

Benefits of Regular Asphalt Maintenance in Maryland

Implementing routine maintenance tailored to Maryland’s climate helps extend the lifespan of your asphalt while saving money in the long run. Preventive measures such as crack filling, sealcoating, and proper drainage reduce the need for costly repairs or full replacement.



Well-maintained pavement also improves safety by minimizing tripping hazards and vehicle damage caused by potholes or uneven surfaces. Whether you manage a commercial parking lot or maintain your residential driveway, working with experienced asphalt contractors ensures the best care customized to your local climate conditions.


Conclusion

Maryland’s unique climate presents challenges for asphalt maintenance that require expert care and local knowledge. At CM Ayres, we specialize in providing durable, high-quality asphalt solutions tailored to withstand seasonal weather changes. Whether you need routine maintenance or major repairs, our experienced team is committed to keeping your pavement safe and long-lasting.


Contact CM Ayres today to schedule an inspection or learn how we can help protect your asphalt investment with customized maintenance plans designed for Maryland’s climate.

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