When winter settles in and outdoor conditions become less ideal, many homeowners in Michigan begin noticing spiders inside their homes. This seasonal increase in sightings isn’t random. It’s driven by changes in insect activity, causing spiders to search for their food.
As cold weather reduces the availability of outdoor insects, spiders focus their efforts on environments where prey is still present. Homes offer warmth, shelter, and a reliable supply of insects, making them an attractive habitat during winter.
Additionally, several spider species become more active during late fall and winter as part of their breeding cycle, which increases their movement and the chances of you encountering them.
Where Do Spiders Hide in Winter?
Spiders found indoors during colder months are often long-term residents rather than new, outdoor invaders. Many live unnoticed in wall voids, basements, attics, and storage areas throughout the year and become visible only when they move in search of food or mates.
Spiders that remain outside take advantage of natural insulation. Common hiding spots include beneath loose bark, within soil, under rocks, or inside stacked firewood. Some species spin dense silk shelters that protect them from freezing temperatures and wind.
Are Spiders Drawn Indoors by Cold Weather?
In some cases, yes, but not all spiders rely on human structures to survive winter. Many species can become tolerant to the cold and have developed strategies to withstand freezing conditions.
Certain spiders produce compounds that prevent ice from affecting their cells, while others retreat to environments where temperatures fluctuate less dramatically. These adaptations allow them to survive outdoors, even during extended cold periods.
Do Spiders Sleep Through Winter?
Rather than hibernating, spiders enter a slowed biological state called diapause. During diapause, their activity levels drop significantly, feeding stops, and overall movement is minimal.
In regions with moderate winters, spiders may resume activity after a short pause. In colder climates, diapause can last several months, often from late autumn through early spring.
Seasonal cues such as reduced daylight and lower temperatures prompt spiders to seek safe, insulated locations for this dormant period.
What are the Diets of Indoor and Outdoor Spiders?
Spiders inside the home feed on any insects that remain active indoors, including small flies, pantry moths, and other household pests. As long as insects are present, spiders will continue hunting.
Outdoor spiders eat infrequently during winter. When temperatures briefly rise, they may catch an insect, but most survive by relying on energy stored earlier in the year.
Steps to Reduce Spider Activity During the Winter
Managing spiders effectively involves a thorough plan to reduce both shelter and food sources:
- Lower indoor moisture levels by fixing plumbing leaks and improving ventilation. Reducing moisture inside your home deters spiders and other insects.
- Reduce insect attraction by limiting exterior lighting near entry points.
- Clean regularly, vacuum thoroughly, and pay attention to undisturbed areas where webs form.
- Apply natural repellents with scents spiders avoid, such as peppermint, eucalyptus, or citrus.
- Schedule professional spider control for targeted treatments and preventive solutions to keep your home protected.
Professional Winter Spider Control in Michigan
If spiders are consistently an issue despite preventive measures, professional pest control can provide effective relief. Expert technicians focus on reducing current spider activity while preventing future problems through exclusion and monitoring.
Contact Griffin Pest Solutions today to schedule a free inspection for your property!
