Quartz

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 45°F. The coldest are in January, when 1 night in 10 drops to -6°F. Frost is common in January, February, March, April, May, June, September, October, November and December.

1. Jan8°F -6°FBag comfortable to -5°F · frost 100% · rain or snow 33% of days
2. Feb9°F -3°FBag comfortable to 0°F · frost 100% · rain or snow 38% of days
3. Mar14°F 4°FBag comfortable to 5°F · frost 100% · rain or snow 41% of days
4. Apr20°F 9°FBag comfortable to 10°F · frost 98% · rain or snow 38% of days
5. May29°F 21°FBag comfortable to 20°F · frost 69% · rain or snow 38% of days
6. Jun39°F 32°FBag comfortable to 30°F · frost 11% · rain or snow 32% of days
7. Jul45°F 40°FBag comfortable to 40°F · frost 0% · rain or snow 54% of days
8. Aug45°F 40°FBag comfortable to 40°F · frost 1% · rain or snow 47% of days
9. Sep (this month)39°F 32°FBag comfortable to 30°F · frost 10% · rain or snow 36% of days
10. Oct29°F 10°FBag comfortable to 10°F · frost 69% · rain or snow 27% of days
11. Nov15°F 1°FBag comfortable to 0°F · frost 99% · rain or snow 26% of days
12. Dec9°F -4°FBag comfortable to -5°F · frost 100% · rain or snow 31% 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.