Places › Boston, MA › January

Boston in January

The toughest month — score 26 of 100

Typical January days in Boston reach about 37°F with nights near 23°F; about 14 inches of snow falls in a typical month.

What to pack for Boston in January

• A real winter coat — typical nights drop below freezing, to about 23°F.
• A waterproof shell — rain falls on about 12 days in a typical January.
• Insulated boots and a winter kit — a typical January brings about 14 inches of snow.

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January vs. the alternatives

The whole year in Boston

Averages are the 1991–2020 climate normals (NOAA National Centers for Environmental Information) for the station named on each page. Rain days = days with at least 0.01 in of precipitation. Daylight is computed for the middle of the month.