Thunderbird Group 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 59°F. The coldest are in January, when 1 night in 10 drops to 16°F. Frost is common in January, February, March, April, May, November and December.

1. Jan26°F 16°FBag comfortable to 15°F · frost 85% · rain or snow 27% of days
2. Feb26°F 12°FBag comfortable to 10°F · frost 80% · rain or snow 27% of days
3. Mar27°F 15°FBag comfortable to 15°F · frost 77% · rain or snow 32% of days
4. Apr34°F 23°FBag comfortable to 25°F · frost 36% · rain or snow 19% of days
5. May41°F 31°FBag comfortable to 30°F · frost 13% · rain or snow 16% of days
6. Jun51°F 43°FBag comfortable to 45°F · frost 1% · rain or snow 8% of days
7. Jul59°F 51°FBag comfortable to 50°F · frost 0% · rain or snow 1% of days
8. Aug57°F 51°FBag comfortable to 50°F · frost 0% · rain or snow 6% of days
9. Sep (this month)51°F 43°FBag comfortable to 45°F · frost 1% · rain or snow 8% of days
10. Oct42°F 33°FBag comfortable to 35°F · frost 8% · rain or snow 5% of days
11. Nov34°F 23°FBag comfortable to 25°F · frost 41% · rain or snow 14% of days
12. Dec29°F 17°FBag comfortable to 20°F · frost 68% · rain or snow 23% 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.