United States · 1991–2020 normal

Grantsville in
December.

Typical December weather in Grantsville: 3.3°C by day, -6.7°C at night, 21 mm of rain over 5.2 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high3.3°C
Typical low-6.7°C
Rain21 mm
Wet days5.2

Comfort score 5 this month (September leads the year at 83). Daylight is calculated as 9 h 17 from latitude 40.60°.

Event window

Frost-level nights in December

The measured night-time normal is -6.7°C, so frost is typical rather than exceptional this month.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5775346
NOAA station
USC00423348 · GRANTSVILLE 2W
Station distance
3.6 km from the place centre
Coverage
Good coverage · 22 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.