St. Augustine, FL Night Sky Brightness
How dark is the sky in St. Augustine, FL?
St. Augustine reads as suburban on this dataset's scale. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. That's brighter than 83.6% of the 3,206 US cities in this dataset.
Worth remembering: this is satellite radiance, not a ground observation. A true Bortle rating needs a human eye at night, this is the closest large-scale substitute, covered fully in the Bortle scale guide.
The nearest darker sky to St. Augustine
Green Cove Springs, FL, about 23 miles away as the crow flies, measures in the suburban edge band, one step darker than St. Augustine. Actual driving distance will run longer than that straight-line figure.
Green Cove Springs, 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. Augustine against the rest of the dataset
About 16,033 people live in St. Augustine, FL, sized enough to appear in this dataset of 3,206 incorporated US cities. Ranked against the other 3,206 cities here by the methodology guide's own sampling, St. Augustine comes in at 2,666, darkest to brightest.