As the weather cools down and these cold-blooded arachnids look to find a place to warm up, they often enter a house or garage, which could mean trouble for an unsuspecting homeowner. Normally, black widow spiders like to hide in dark, dry protected areas like under patio furniture, in meter boxes and firewood piles.

Do black widows come out in the cold?

Winter Survival

They may enter homes and other inhabited buildings in winter in locations where the weather turns cold. ... Winters don't harm black widows because they are adapted to live through cold months in a low-energy state. They tuck in their legs and become dormant.

Should I kill black widow spiders?

However, since they build their webs close to the ground, they can easily come into contact with people and pets. While male black widow spiders can bite, it's almost always the female who is responsible. Despite their small size, black widows pack a poisonous punch and their bites should be taken seriously.