Red Mountain (MT)

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 56°F. The coldest are in February, when 1 night in 10 drops to -9°F. Frost is common in January, February, March, April, May, October, November and December.

1. Jan20°F 1°FBag comfortable to 0°F · frost 96% · rain or snow 20% of days
2. Feb17°F -9°FBag comfortable to -10°F · frost 94% · rain or snow 33% of days
3. Mar24°F 14°FBag comfortable to 15°F · frost 85% · rain or snow 31% of days
4. Apr30°F 19°FBag comfortable to 20°F · frost 65% · rain or snow 39% of days
5. May38°F 30°FBag comfortable to 30°F · frost 18% · rain or snow 37% of days
6. Jun48°F 39°FBag comfortable to 40°F · frost 0% · rain or snow 26% of days
7. Jul56°F 49°FBag comfortable to 50°F · frost 0% · rain or snow 9% of days
8. Aug54°F 48°FBag comfortable to 50°F · frost 0% · rain or snow 9% of days
9. Sep (this month)48°F 37°FBag comfortable to 35°F · frost 2% · rain or snow 19% of days
10. Oct36°F 24°FBag comfortable to 25°F · frost 34% · rain or snow 30% of days
11. Nov27°F 13°FBag comfortable to 15°F · frost 71% · rain or snow 23% of days
12. Dec23°F 0°FBag comfortable to 0°F · frost 84% · rain or snow 29% 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.