United States · 1991–2020 normal
Washington in
December.
Typical December weather in Washington: 7°C by day, -2°C at night, 86 mm of rain over 5.8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high7°C
Typical low-2°C
Rain86 mm
Wet days5.8
Comfort score 5 this month (September leads the year at 78). Daylight is calculated as 9 h 29 from latitude 38.66°.
Event window
Frost-level nights in December
The measured night-time normal is -2°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4266586
- NOAA station
- USC00129253 · WASHINGTON 1 W
- Station distance
- 2.5 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.