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First comebooking
Jun–Sepbest months
About Saint Mary Campground
- Managed by: NPS
- Where: in St. Mary, MT · 48.75289, -113.44259
Weather by month
32°13°Jan
33°13°Feb
40°19°Mar
48°27°Apr
58°34°May
66°41°Jun
76°45°Jul
75°43°Aug
65°37°Sep
51°30°Oct
38°22°Nov
31°15°Dec
Typical daily highs and lows (°F), 1991–2020 NOAA normals. Best months: Jun–Sep (comfortable days, mild nights, little rain). Nights below freezing: Oct–Apr.
See Saint Mary Campground from above
Fly over it in 3D, check today's weather and fire news, plan the drive and print a trip plan.
Good to know
Cell signal
Verizon 5G · AT&T 4G
From the carriers' FCC coverage maps, which tend to be generous.Night sky: Pristine
The Milky Way casts shadows and the sky is crowded with stars.
Class 1 of 9, from NASA/NOAA night-light data.Stargazing nearby: Dusty Star Observatory (Glacier NP St. Mary) (Park observatory), 1 mi.
RV essentials
Dump station: 5.4 mi
Propane: 8.6 mi