St. Petersburg, FL Night Sky Brightness
What the night sky looks like over St. Petersburg, FL
Satellite radiance puts St. Petersburg in the urban band. Sky glow overhead most nights. Typically only planets, the Moon, and a handful of the brightest stars are visible. That's brighter than 98.5% of the 3,206 US cities in this dataset.
The number comes from orbit, not a stargazer's logbook, so treat it as an estimate of sky glow rather than a certified Bortle class - the Bortle scale guide covers why.
The nearest darker sky to St. Petersburg
The closest place in this dataset with a meaningfully darker sky is Gulfport, FL, roughly 4 miles away in a straight line, rated suburban. Road distance will be more.
Gulfport, FL is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
St. Petersburg against the rest of the dataset
St. Petersburg, FL has a population of about 267,102, one of 3,206 US cities of 10,000 or more residents in this dataset. Among all 3,206 cities here, St. Petersburg ranks 3,140 from darkest to brightest, 1 being the darkest measured, by the sampling the methodology guide documents.