Ironwood Group Camp

San Bernardino National Forest, California

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 59°F. The coldest are in March, when 1 night in 10 drops to 19°F. Frost is common in January, February, March, April, May, November and December.

Typical nightCold night (1 in 10)
  1. Jan28°F 19°FBag comfortable to 20°F · frost 74% · rain or snow 21% of days
  2. Feb28°F 15°FBag comfortable to 15°F · frost 68% · rain or snow 25% of days
  3. Mar27°F 19°FBag comfortable to 20°F · frost 71% · rain or snow 30% of days
  4. Apr36°F 26°FBag comfortable to 25°F · frost 28% · rain or snow 13% of days
  5. May41°F 31°FBag comfortable to 30°F · frost 12% · rain or snow 13% of days
  6. Jun53°F 45°FBag comfortable to 45°F · frost 0% · rain or snow 6% of days
  7. Jul59°F 52°FBag comfortable to 55°F · frost 0% · rain or snow 16% of days
  8. Aug57°F 52°FBag comfortable to 55°F · frost 0% · rain or snow 14% of days
  9. Sep (this month)52°F 45°FBag comfortable to 45°F · frost 0% · rain or snow 10% of days
  10. Oct43°F 35°FBag comfortable to 35°F · frost 4% · rain or snow 8% of days
  11. Nov37°F 26°FBag comfortable to 25°F · frost 28% · rain or snow 12% of days
  12. Dec32°F 21°FBag comfortable to 20°F · frost 51% · rain or snow 16% 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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