Heavy rain floods their burrows. Spiders hate soggy feet. Your dry, elevated home looks like a lifeboat.
They rush in before the storm hits. It’s not magic. It’s barometric pressure pushing them inside. They’re tiny meteorologists.
Ever notice more spiders after a downpour? You’re not crazy. They’re just evacuating.
The "Pest Buffet" Theory
Spiders are lazy hunters. They go where the food is. If you have flies, ants, or moths, you have a spider magnet.
Why Do Spiders Come Inside The House | Detroit Chinatown
Your kitchen crumbs are a restaurant for bugs. Bugs attract spiders. The spider isn't the problem—the buffet line is.
Fix the bug problem, and the spiders usually leave. Or at least, they stop inviting their friends.