United States · 1991–2020 normal
Brown Deer in
December.
Typical December weather in Brown Deer: 2.1°C by day, -6.3°C at night, 45 mm of rain over 7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high2.1°C
Typical low-6.3°C
Rain45 mm
Wet days7
Comfort score 5 this month (September leads the year at 85). Daylight is calculated as 9 h 00 from latitude 43.16°. Open-water sea temperature is 5.1°C (8 km from the place centre).
Event window
Frost-level nights in December
The measured night-time normal is -6.3°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5246917
- NOAA station
- USC00475474 · MT MARY COLLEGE
- Station distance
- 11.4 km from the place centre
- Coverage
- Strong coverage · 28 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.