Westlake Day Use

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 78°F. The coldest are in January, when 1 night in 10 drops to 27°F. Frost is common in January and February.

1. Jan38°F 27°FBag comfortable to 30°F · frost 24% · rain or snow 20% of days
2. Feb41°F 29°FBag comfortable to 30°F · frost 18% · rain or snow 28% of days
3. Mar51°F 41°FBag comfortable to 40°F · frost 2% · rain or snow 31% of days
4. Apr57°F 48°FBag comfortable to 50°F · frost 0% · rain or snow 33% of days
5. May67°F 58°FBag comfortable to 60°F · frost 0% · rain or snow 43% of days
6. Jun74°F 69°FBag comfortable to 70°F · frost 0% · rain or snow 35% of days
7. Jul78°F 74°FBag comfortable to 75°F · frost 0% · rain or snow 28% of days
8. Aug78°F 73°FBag comfortable to 75°F · frost 0% · rain or snow 30% of days
9. Sep (this month)73°F 64°FBag comfortable to 65°F · frost 0% · rain or snow 28% of days
10. Oct62°F 50°FBag comfortable to 50°F · frost 0% · rain or snow 22% of days
11. Nov50°F 38°FBag comfortable to 40°F · frost 2% · rain or snow 22% of days
12. Dec42°F 33°FBag comfortable to 35°F · frost 7% · 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.