Black Canyon Campground

Fort Smith, Bighorn Canyon National Recreation Area, Montana

Nights by month

Night lows from 2016 to 2025: a typical night, and the cold one that comes 1 night in 10.

The mildest nights are in July, typically 62°F. The coldest are in February, when 1 night in 10 drops to -9°F. Frost is common in January, February, March, April, October, November and December.

Typical nightCold night (1 in 10)
  1. Jan25°F 3°FBag comfortable to 5°F · frost 77% · rain or snow 26% of days
  2. Feb20°F -9°FBag comfortable to -10°F · frost 80% · rain or snow 36% of days
  3. Mar29°F 16°FBag comfortable to 15°F · frost 64% · rain or snow 34% of days
  4. Apr35°F 23°FBag comfortable to 25°F · frost 36% · rain or snow 37% of days
  5. May45°F 36°FBag comfortable to 35°F · frost 2% · rain or snow 40% of days
  6. Jun55°F 48°FBag comfortable to 50°F · frost 0% · rain or snow 32% of days
  7. Jul62°F 56°FBag comfortable to 55°F · frost 0% · rain or snow 14% of days
  8. Aug61°F 55°FBag comfortable to 55°F · frost 0% · rain or snow 14% of days
  9. Sep54°F 45°FBag comfortable to 45°F · frost 0% · rain or snow 20% of days
  10. Oct41°F 30°FBag comfortable to 30°F · frost 16% · rain or snow 29% of days
  11. Nov (this month)32°F 18°FBag comfortable to 20°F · frost 50% · rain or snow 26% of days
  12. Dec27°F 6°FBag comfortable to 5°F · frost 69% · rain or snow 24% of days

| = 32°F

History: ERA5 and ERA5-Land reanalysis via Open-Meteo, corrected to the site's elevation. Bag rating: the comfort rating that keeps you warm in a tent on 9 of 10 nights that month.

Tonight

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Checked for a double-wall tent, a 3-season bag and a thin air pad. Check your own gear here.

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