Grand Canyon

Sky Score 70/100≈ Bortle 2

Grand Canyon is a scenic viewpoint in Arizona with a measured darkness of 92/100 (≈ Bortle 2) — among the very darkest measurable skies in the American Southwest — the Milky Way casts visible shadows on moonless nights. The best month to come is typically September, when about 83% of the night sky is clear.

Tonight's outlook: 71/100. The moon is 7% lit and above the horizon 13% of the night; typical August clear-sky odds here are 72%. Updated daily.

Best time to stargaze at Grand Canyon

MonthClear night skiesSky Score (new moon)
January55%59/100
February64%66/100
March60%62/100
April71%70/100
May75%74/100
June83%79/100
July69%69/100
August72%71/100
September83%80/100
October80%77/100
November74%73/100
December59%62/100

Scores assume a moonless night — check the moon before you drive (methodology).

Where to stay near Grand Canyon

Each place below is rated for the darkness at its own doorstep — stay dark, and the sky is yours from the parking lot.

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Nearby spots in Arizona