Temperature in Maine in December

Daytime highs, nighttime lows and the warmest cities in Maine, the United States of America this December.

Maine, the United States of America, a region in the United States of America, experiences maximum daytime temperatures in December ranging from -2°C (28°F) in Jackman to 4°C (39°F) in Kittery. Nighttime temperatures generally drop to -4°C (25°F) in Kittery and -11°C (12°F) in Jackman. December falls during the winter season.

What is the temperature of the different cities in Maine, the United States of America in December?

Curious about the December temperatures in the prime spots of Maine? Navigate the map below and tap on a destination dot for more detailed stats.

Select a Month

Check the conditions for any month of the year.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

For a detailed overview over the year and the best time to visit Maine, check out our Maine's climate page.

See also: Maine weather by month.

Best Places to Visit in Maine in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Maine.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in December: blue is cold, red is hot.

See all December weather averages, cities and regions in Maine

Maine temperatures in December: frequently asked questions

How hot does it get in Maine, the United States of America in December?

Average daytime highs in Maine, the United States of America during December reach about 4°C (39°F) in Bar Harbor.

How cold does it get at night in Maine, the United States of America in December?

Bar Harbor sees nighttime lows close to -5°C (23°F) in December.

What is the warmest city in December in Maine, the United States of America?

Data insights from our comprehensive database indicate that Kittery is the city with the highest warmth. Daytime peaks average near 4°C (39°F), while the nights are characterized by a low temperature close to -4°C (25°F).

What is the coldest city in December in Maine, the United States of America?

When looking through our records, we find that Jackman stands out as the coolest city in Maine, the United States of America for the month of December. Daytime highs average -2°C (28°F) and it cools down to about -11°C (12°F) at night.

What is the water temperature in December?

The water temperature averages approximately 7°C (45°F) in Portland this month, generally too cold for comfortable swimming.

Interested in more climate information?

We have much more information about the climate in Maine.

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