Cullman, AL Night Sky Brightness
How dark is the sky in Cullman, AL?
Cullman's sky measures urban here. Sky glow overhead most nights. Typically only planets, the Moon, and a handful of the brightest stars are visible. Only 90% of the 3,206 cities measured here read darker than Cullman.
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.
How far Cullman is from a meaningfully darker sky
Hartselle, AL, about 19 miles away as the crow flies, measures in the suburban band, one step darker than Cullman. Actual driving distance will run longer than that straight-line figure.
Hartselle, AL is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Cullman against the rest of the dataset
Cullman, AL counts roughly 20,239 residents, among the 3,206 US cities this site tracks. Ranked against the other 3,206 cities here by the methodology guide's own sampling, Cullman comes in at 2,869, darkest to brightest.