United States · 1991–2020 normal

Big Sky in
December.

Typical December weather in Big Sky: -1.9°C by day, -13.6°C at night, 50 mm of rain over 9.7 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high-1.9°C
Typical low-13.6°C
Rain50 mm
Wet days9.7

Comfort score 5 this month (July leads the year at 71). Daylight is calculated as 8 h 45 from latitude 45.28°.

Event window

Frost-level nights in December

The measured night-time normal is -13.6°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5640193
NOAA station
USC00240775 · BIG SKY 2WNW
Station distance
3.5 km from the place centre
Coverage
Good coverage · 23 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.