Alta Campground

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 49°F. The coldest are in December, when 1 night in 10 drops to 1°F. Frost is common in January, February, March, April, May, September, October, November and December.

1. Jan15°F 0°FBag comfortable to 0°F · frost 100% · rain or snow 38% of days
2. Feb15°F 3°FBag comfortable to 5°F · frost 98% · rain or snow 59% of days
3. Mar20°F 9°FBag comfortable to 10°F · frost 98% · rain or snow 44% of days
4. Apr26°F 15°FBag comfortable to 15°F · frost 90% · rain or snow 43% of days
5. May32°F 24°FBag comfortable to 25°F · frost 52% · rain or snow 36% of days
6. Jun41°F 34°FBag comfortable to 35°F · frost 7% · rain or snow 33% of days
7. Jul49°F 43°FBag comfortable to 45°F · frost 0% · rain or snow 20% of days
8. Aug48°F 42°FBag comfortable to 45°F · frost 0% · rain or snow 20% of days
9. Sep (this month)41°F 32°FBag comfortable to 30°F · frost 11% · rain or snow 24% of days
10. Oct31°F 14°FBag comfortable to 15°F · frost 55% · rain or snow 37% of days
11. Nov20°F 4°FBag comfortable to 5°F · frost 87% · rain or snow 38% of days
12. Dec13°F 1°FBag comfortable to 0°F · frost 97% · rain or snow 48% 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.