January weather forecast and climate
Washington, USA

Flag of Washington, USA
Flag of Washington, USA

Weather in January

January is usually the coldest month of the year in Washington as the temperatures drop alarmingly. The bottom may hit -25°F (-31.7°C) or lower in many areas such as Leavenworth and Winthrop. The average low temperatures are in the frigid 18°F (-7.8°C) to 28°F (-2.2°C), while the average high temperatures are in the cold 30°F (-1.1°C) to 40°F (4.4°C) zone, with mild temperatures in the coastal regions.
The coastal belt and mountain slopes are rainy with 12" (305mm) to 15" (381mm) of rainfall, which makes the conditions challenging, especially with heavy snow at high altitudes. January is the snowiest month, with lower mountain slopes receiving 15" (381mm) to 20" (508mm) of snow, and upper ranges crossing 100" (2540mm). The days are short, and the sunlight hardly lasts for 3 hours.
The Snoqualmie Pass area in the Cascade Mountains is one of the famous places for skiing, snowshoeing, and snow tubing activities. Warm winter clothes are necessary, and while it is fun to head for the mountains, watch out for blizzards.
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