Keyhole 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 85°F. The coldest are in January, when 1 night in 10 drops to 40°F. Frost is rare all year.

1. Jan46°F 40°FBag comfortable to 40°F · frost 0% · rain or snow 7% of days
2. Feb50°F 41°FBag comfortable to 40°F · frost 0% · rain or snow 5% of days
3. Mar55°F 48°FBag comfortable to 50°F · frost 0% · rain or snow 5% of days
4. Apr62°F 54°FBag comfortable to 55°F · frost 0% · rain or snow 2% of days
5. May68°F 59°FBag comfortable to 60°F · frost 0% · rain or snow 1% of days
6. Jun76°F 69°FBag comfortable to 70°F · frost 0% · rain or snow 0% of days
7. Jul85°F 78°FBag comfortable to 80°F · frost 0% · rain or snow 3% of days
8. Aug85°F 79°FBag comfortable to 80°F · frost 0% · rain or snow 4% of days
9. Sep (this month)77°F 69°FBag comfortable to 70°F · frost 0% · rain or snow 5% of days
10. Oct65°F 57°FBag comfortable to 60°F · frost 0% · rain or snow 2% of days
11. Nov54°F 46°FBag comfortable to 45°F · frost 0% · rain or snow 2% of days
12. Dec47°F 41°FBag comfortable to 40°F · frost 0% · rain or snow 6% of days

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.