Hesperia, CA Night Sky Brightness
How dark is the sky in Hesperia, CA?
Hesperia reads as rural on this dataset's scale. Little local light dome. Most stars are visible; the Milky Way is faint but often findable away from town lights. Hesperia's sky is brighter than 9.8% of the 3,206 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 Hesperia
39 miles from Hesperia, straight-line, sits Banning, CA, the nearest city here with a darker sky than Hesperia's own rural band.
Banning, CA is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Hesperia against the rest of the dataset
Hesperia, CA counts roughly 101,836 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, Hesperia comes in at 313, darkest to brightest.