DETROIT The annual Perseid Meteor Shower is set to light up the sky this week! Here's what you need to know:When is the 2020 Perseid Meteor Shower? The meteor shower will peak on the night of August 11-12. Here's more from Space.com: The key to seeing a meteor shower is "to take in as much sky as possible," Cooke said. This column, or meteor trail, is usually less than a yard in diameter, but will be tens of miles long.