Get the monthly weather forecast for Seattle, WA, including daily high/low, historical averages, to help you plan ahead.

Seattle, Washington already starts to emerge from winter weather during January as the days grow slightly warmer. This page gives detailed information on the typical January temperature, …

Explore the historical weather for Seattle in January in the calendar below. Use the controls to switch between months and years, and toggle between temperature and rainfall.

Averages and records for weather in Seattle, Washington in the month of January.

2024年7月31日 · January is the first month it typically snows. Throughout January, in the average 1.3 snowfall days, it receives 0.12" (3mm) of snow. In Seattle, during the entire year, snow falls for 4.8 …

Seattle weather in January: Expect average highs of 7°C, lows of 2°C, and some rainfall. Includes packing tips and daily averages.

Get Seattle weather conditions in January. We provide day and night temperatures, sunshine hours and precipitations averages for Seattle in January.

2025年11月4日 · Seattle does experience some snow during the month of January, but not much. The city rarely sees more than 1.5” of snow during the month and is often as low as 0.5″.

Snowfall predictions for Seattle, WA. Past snow depth totals and current conditions.

Seattle typically experiences moderate snowfall in January, with an average of 6 snowy days. According to Seattle snow forecast for January 2026, 3 snowy days are expected in the next 2 weeks.