Casa Grande Ruins National Monument
8 places to stay nearby, rated for darkness ↓
Casa Grande Ruins National Monument is a protected area in Arizona with a measured darkness of 54/100 (≈ Bortle 5), a usable sky for casual stargazing, though city glow is noticeable. The best month to come is typically May, when about 83% of the night sky is clear.
Tonight's outlook: 19/100. The moon is 98% lit and above the horizon 96% of the night; typical September clear-sky odds here are 75%. Updated daily.
Best time to stargaze at Casa Grande Ruins National Monument
| Month | Clear night skies | Sky Score (new moon) |
|---|---|---|
| January | 61% | 37/100 |
| February | 68% | 40/100 |
| March | 67% | 40/100 |
| April | 78% | 45/100 |
| May ★ | 83% | 47/100 |
| June | 80% | 45/100 |
| July | 49% | 32/100 |
| August | 57% | 35/100 |
| September | 75% | 43/100 |
| October | 83% | 47/100 |
| November | 72% | 42/100 |
| December | 64% | 38/100 |
Scores assume a moonless night, check the moon before you drive (methodology).
Where to stay near Casa Grande Ruins National Monument: sleep under a dark sky
We measured the night sky over each stay below, not just over the spot: the darkness score is computed at the hotel's own location, so you know what you'll see from the door. Sorted darkest sky first, with the distance to Casa Grande Ruins National Monument for each.
65/100sky darkness at this stay
53/100sky darkness at this stay
53/100sky darkness at this stay
More stays nearby
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GreenTree Inn & Suites
Darkness: 52/100 · 13.4 km from Casa Grande Ruins National Monument · Florence
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TownePlace Suites Casa Grande
Darkness: 50/100 · 18.7 km from Casa Grande Ruins National Monument
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Fairfield Inn & Suites Casa Grande
Darkness: 50/100 · 18.7 km from Casa Grande Ruins National Monument
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Baymont
Darkness: 44/100 · 20 km from Casa Grande Ruins National Monument · Casa Grande
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Holiday Inn Express & Suites
Darkness: 44/100 · 20 km from Casa Grande Ruins National Monument · Casa Grande
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Live prices around Coolidge
Coolidge is the closest base to Casa Grande Ruins National Monument with rooms to book. The map shows everything available there right now, including the hotels, apartments and cabins we do not rate. Use the stays above when darkness decides, use the map when price or availability does.
Prices and availability come from the booking partners shown on the map, and we earn a commission on bookings made through it. Sky darkness is measured only for the stays listed above.
Nearby spots in Arizona
- Hohokam Pima National Monument 41.3 km · Sky Score 37/100
- Ironwood Forest National Monument 61.5 km · Sky Score 56/100
- Sonoran Desert National Monument 74 km · Sky Score 62/100
- Tonto National Monument 82.2 km · Sky Score 62/100
- Saguaro National Park - Tucson Mountain District 84.5 km · Sky Score 45/100
Sky data: NASA Black Marble VJ146A4 2025 annual composite · clear-sky climatology ERA5 2015–2024 (methodology).