Delta

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 August, typically 53°F. The coldest are in February, when 1 night in 10 drops to 18°F. Frost is common in January, February, March, April, November and December.

1. Jan31°F 23°FBag comfortable to 25°F · frost 56% · rain or snow 59% of days
2. Feb30°F 18°FBag comfortable to 20°F · frost 64% · rain or snow 62% of days
3. Mar31°F 23°FBag comfortable to 25°F · frost 60% · rain or snow 58% of days
4. Apr36°F 29°FBag comfortable to 30°F · frost 29% · rain or snow 54% of days
5. May42°F 35°FBag comfortable to 35°F · frost 4% · rain or snow 39% of days
6. Jun47°F 41°FBag comfortable to 40°F · frost 0% · rain or snow 27% of days
7. Jul52°F 47°FBag comfortable to 50°F · frost 0% · rain or snow 4% of days
8. Aug53°F 48°FBag comfortable to 50°F · frost 0% · rain or snow 9% of days
9. Sep49°F 42°FBag comfortable to 45°F · frost 0% · rain or snow 25% of days
10. Oct42°F 33°FBag comfortable to 35°F · frost 7% · rain or snow 40% of days
11. Nov (this month)35°F 28°FBag comfortable to 30°F · frost 35% · rain or snow 57% of days
12. Dec32°F 23°FBag comfortable to 25°F · frost 53% · rain or snow 61% 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.