Maine weather in January

The state broadly agrees with itself in January: afternoons run 33° in Bar Harbor and 32° in Portland, Maine, with everywhere else in between.

Based on 2 weather stations. Two stations, both on the coast — the North Woods interior gets a longer, colder winter than either of these.

Southern Coast

Highs near 32°, nights around 16°, and 18.6 in of snow in a typical January.

Place	Highs / lows	Wet days	Snow	The short version
Portland, Maine	32° / 16°	8	18.6 in	Deep, reliable snow and a cold that means it.

Highs near 33°, nights around 15°, and 4.5 in of rain in a typical January.

Place	Highs / lows	Wet days	The short version
Bar Harbor	33° / 15°	12	Nearly every night freezes and the town has gone home.

Each place above has its own page for the full story — what the month feels like, what to pack, and whether the timing is right.