Whitney Portal

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 67°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. Jan33°F 21°FBag comfortable to 20°F · frost 48% · rain or snow 23% of days
2. Feb31°F 18°FBag comfortable to 20°F · frost 52% · rain or snow 24% of days
3. Mar32°F 20°FBag comfortable to 20°F · frost 50% · rain or snow 30% of days
4. Apr41°F 30°FBag comfortable to 30°F · frost 15% · rain or snow 15% of days
5. May46°F 36°FBag comfortable to 35°F · frost 4% · rain or snow 11% of days
6. Jun59°F 49°FBag comfortable to 50°F · frost 0% · rain or snow 4% of days
7. Jul67°F 60°FBag comfortable to 60°F · frost 0% · rain or snow 6% of days
8. Aug64°F 58°FBag comfortable to 60°F · frost 0% · rain or snow 9% of days
9. Sep58°F 49°FBag comfortable to 50°F · frost 0% · rain or snow 7% of days
10. Oct50°F 37°FBag comfortable to 40°F · frost 5% · rain or snow 6% of days
11. Nov (this month)41°F 28°FBag comfortable to 30°F · frost 23% · rain or snow 14% of days
12. Dec35°F 23°FBag comfortable to 25°F · frost 39% · rain or snow 22% 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.