United States · 1991–2020 normal
Washington in
December.
Typical December weather in Washington: 5.3°C by day, -6.3°C at night, 31 mm of rain over 3.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high5.3°C
Typical low-6.3°C
Rain31 mm
Wet days3.7
Comfort score 5 this month (September leads the year at 77). Daylight is calculated as 9 h 22 from latitude 39.82°.
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 4281253
- NOAA station
- USC00148578 · WASHINGTON
- Station distance
- 1.1 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.