United States · 1991–2020 normal
Washington in
January.
Typical January weather in Washington: -0.7°C by day, -11°C at night, 119 mm of rain over 9.1 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high-0.7°C
Typical low-11°C
Rain119 mm
Wet days9.1
Comfort score 5 this month (August leads the year at 87). Daylight is calculated as 9 h 12 from latitude 44.27°. Open-water sea temperature is 3.7°C (41 km from the place centre).
Event window
Frost-level nights in January
The measured night-time normal is -11°C, so frost is typical rather than exceptional this month.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4982172
- NOAA station
- USC00179593 · W ROCKPORT 1 NNW
- Station distance
- 19.8 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.