It is always the right time to improve your eCommerce site’s search…
They may be trying to find something that they need. They may be looking just because they like virtual window shopping. They may be looking because it's 3am, the baby's still not sleeping, and retail therapy helps.
Who knows. But the point is, there are always customers looking for things on your eCommerce site, and if you can help them find those products, then you're also helping the success of your own business.