Mavreeso Campground

San Juan National Forest, Colorado

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 48°F. The coldest are in January, when 1 night in 10 drops to -3°F. Frost is common in January, February, March, April, May, September, October, November and December.

Typical nightCold night (1 in 10)
  1. Jan9°F -3°FBag comfortable to 0°F · frost 100% · rain or snow 30% of days
  2. Feb12°F -2°FBag comfortable to 0°F · frost 100% · rain or snow 34% of days
  3. Mar18°F 5°FBag comfortable to 5°F · frost 99% · rain or snow 40% of days
  4. Apr24°F 12°FBag comfortable to 15°F · frost 91% · rain or snow 25% of days
  5. May30°F 22°FBag comfortable to 25°F · frost 63% · rain or snow 27% of days
  6. Jun41°F 33°FBag comfortable to 35°F · frost 8% · rain or snow 22% of days
  7. Jul48°F 42°FBag comfortable to 45°F · frost 0% · rain or snow 38% of days
  8. Aug46°F 41°FBag comfortable to 40°F · frost 0% · rain or snow 35% of days
  9. Sep (this month)41°F 32°FBag comfortable to 35°F · frost 10% · rain or snow 30% of days
  10. Oct29°F 18°FBag comfortable to 20°F · frost 62% · rain or snow 24% of days
  11. Nov19°F 1°FBag comfortable to 0°F · frost 93% · rain or snow 20% of days
  12. Dec9°F -2°FBag comfortable to 0°F · frost 99% · rain or snow 28% 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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