December weather forecast
Adams, ME

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Weather in December

December, the first month of the winter in Adams, is still a freezing cold month, with an average temperature varying between 18.9°F (-7.3°C) and 29.5°F (-1.4°C).

Temperature

With December's onset, the weather shows a temperature decrease, transitioning from a cold 41.5°F (5.3°C) in November to a subzero cold 29.5°F (-1.4°C). The average temperature drops to 18.9°F (-7.3°C) during the night in the month of December.

Humidity

The average relative humidity in December is 83%.

Rainfall

In December, the rain falls for 9.1 days. Throughout December, 2.52" (64mm) of precipitation is accumulated. Throughout the year, there are 146.2 rainfall days, and 27.17" (690mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Adams, during December, snow falls for 12.1 days and regularly aggregates up to 7.48" (190mm) of snow. In Adams, during the entire year, snow falls for 65.9 days and aggregates up to 37.6" (955mm) of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 48min of daylight.
On the first day of the month, sunrise is at 6:55 am and sunset at 3:54 pm. On the last day of December, sunrise is at 7:14 am and sunset at 4:02 pm EST.

Sunshine

The average sunshine in December in Adams is 4.2h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: An average UV index of 2 in December transforms into this advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Stay sun-safe with clothing that is both closely woven and worn loosely. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Jun 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The high-temperature during December is 29.5°F (-1.4°C) and the low-temperature is 18.9°F (-7.3°C).

What is the average humidity in December?

The average relative humidity in December is 83%.

How much does it rain in December?

In Adams, in December, it is raining for 9.1 days, with typically 2.52" (64mm) of accumulated precipitation.

How many days does it snow in December?

In December, in Adams, Maine, it is snowing for 12.1 days. Throughout December, 7.48" (190mm) of snow is accumulated.

What is the month with the shortest days in Adams?

With an average of 8h and 48min of daylight, December has the shortest days of the year in Adams.

What is the average length of the day in December?

In December, the average day length is 8h and 48min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:55 am and sunset at 3:54 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:02 pm EST.

How long on average sun shines in December in Adams?

The average sunshine duration in December in Adams is 4.2h.

What is the month with the lowest UV index?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Adams, ME

Average temperature in December - Adams, ME
  • Average high temperature in December: 29.5°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in December: 18.9°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (11.1°F).

Average pressure in December
Adams, ME

Average pressure in December - Adams, ME
  • Average pressure in December: 30"Hg

The months with the highest atmospheric pressure are September and November (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Adams, ME

Average wind speed in December - Adams, ME
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in December
Adams, ME

Average humidity in December - Adams, ME
  • Average humidity in December: 83%

The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (75%).

Average rainfall in December
Adams, ME

Average rainfall in December - Adams, ME
  • Average rainfall in December: 2.52"

The wettest month (with the highest rainfall) is April (2.91").
The driest month (with the least rainfall) is July (1.57").

Average rainfall days in December
Adams, ME

Average rainfall days in December - Adams, ME
  • Average rainfall days in December: 9.1 days

The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (6.9 days).

Average snowfall in December
Adams, ME

Average snowfall in December - Adams, ME
  • Average snowfall in December: 7.48"

The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Adams, ME

Average snowfall days in December - Adams, ME
  • Average snowfall days in December: 12.1 days

The month with the highest number of snowfall days is February (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Adams, ME

Average daylight in December / Average sunshine in December - Adams, ME
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

Average sunshine days in December
Adams, ME

Average sunshine days in December - Adams, ME
  • Average sunshine days in December: 14 days

The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is April (10.7 days).

Average UV index in December
Adams, ME

Average UV index in December - Adams, ME
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in December
Adams, ME

Average cloud cover in December - Adams, ME
  • Average cloud cover in December: 55

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 40).

Average visibility in December
Adams, ME

Average visibility in December - Adams, ME
  • Average visibility in December: 5mi

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).

Adams, Maine, USA

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