The weather in December in Maine

It's cold in December in Maine with an average temperature of -1°C. Temperatures this month range from a low of -5°C to a high of 4°C. At night, you can expect temperatures between -10°C and -3°C.

Looking for sun? December isn’t a good month to be in Maine. There’s too much chance of rain this month.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Maine, United States. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 15°C in 2020, Maine reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -23°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of -27°C to a highest value of 8°C.

Precipitation and snowfall

In December, there is an average of 250 mm of precipitation, spread over 24 days. Of the total precipitation, about 45 cm falls as snow in December. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in December for Maine

Click on any day in December to get detailed info about the usual weather on that day in Maine. Check out the historical temperatures and precipitation over the past 10 years on this day.

December weather comparison

  Maine New York
Average temperature -1°C 9°C
Max. temperature 4°C 12°C
Min. temperature -10°C -5°C
Total precipitation 250 mm 133 mm
Rainy days 24 days 17 days
Total snowfall 45 cm 9,7 cm
Snowy days 14 days 3 days

Start of December

The month of December starts in Maine with really cold temps, averaging around 1°C during the day and nights dipping to about -6°C.

Mid December

By mid-December, daytime temps drop to around -1°C, with nights around -8°C. There’s a high chance of precipitation during this time.

End of December

By the end of December, the average daytime temperature in Maine is around -1°C, while nighttime temps are about -8°C. There’s a significant chance of many days with precipitation.

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UV index

The UV index is a maximum of 3 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Check out the climate of Maine for all months and discover the best travel time

The climate in Maine is based on weather data from . Other places, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in Maine to get the full picture of the climate.

Temperature charts

These charts show the average temperatures in December in Maine, United States. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in December in Maine

Temperature in December in Maine over the years

Precipitation charts

These charts show the average amount of precipitation in December in Maine, United States. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in December in Maine

Total precipitation in December in Maine over the years

Daily Snowfall in December in Maine

Snowfall in December in Maine per year

Daily UV index in December in Maine

This chart shows the average daily UV index in December in Maine, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in December in Maine

Have you been to Maine in December?

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Average weather in Maine by month

Click on a month below to see detailed weather info for Maine. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.