December weather forecast
Monson, ME

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Weather in December

The first month of the winter, December, is still a freezing cold month in Monson, Maine, with an average temperature fluctuating between 18.3°F (-7.6°C) and 28.6°F (-1.9°C).

Temperature

The beginning of December involves a decrease in the average high-temperature, transitioning from an icy 40.1°F (4.5°C) in November to a subzero cold 28.6°F (-1.9°C). During the nights in December, an average low-temperature of 18.3°F (-7.6°C) is observed.

Humidity

In Monson, the average relative humidity in December is 84%.

Rainfall

In December, the rain falls for 9.6 days. Throughout December, 1.69" (43mm) of precipitation is accumulated. Throughout the year, there are 152.4 rainfall days, and 20.83" (529mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Monson, during December, snow falls for 12.8 days and regularly aggregates up to 4.61" (117mm) of snow. Throughout the year, in Monson, there are 71.8 snowfall days, and 27.28" (693mm) of snow is accumulated.

Daylight

With an average of 8h and 48min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:57 am and sunset at 3:56 pm. On the last day of December, in Monson, sunrise is at 7:17 am and sunset at 4:05 pm EST.

Sunshine

The average sunshine in December is 4.1h.

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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Jun 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

In Monson, 28.6°F (-1.9°C) is the average high-temperature and 18.3°F (-7.6°C) is the average low-temperature during December.

What is the average humidity in December?

In Monson, Maine, the average relative humidity in December is 84%.

How many days does it rain in December?

In December, the rain falls for 9.6 days. Throughout December, 1.69" (43mm) of precipitation is accumulated.

How many days does it snow in December?

In December, it is snowing for 12.8 days. Throughout December, 4.61" (117mm) of snow is accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Monson have in December?

The average day length in December is 8h and 48min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:57 am and sunset at 3:56 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:05 pm EST.

How long on average sun shines in December?

In Monson, the average sunshine duration in December is 4.1h.

When is the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
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
Monson, ME

Average temperature in December - Monson, ME
  • Average high temperature in December: 28.6°F

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (23.4°F).

  • Average low temperature in December: 18.3°F

The month with the highest average low temperature is July (55.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

Average pressure in December
Monson, ME

Average pressure in December - Monson, ME
  • Average pressure in December: 30.01"Hg

The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Monson, ME

Average wind speed in December - Monson, 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 (5.2mph).

Average humidity in December
Monson, ME

Average humidity in December - Monson, ME
  • Average humidity in December: 84%

The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (76%).

Average rainfall in December
Monson, ME

Average rainfall in December - Monson, ME
  • Average rainfall in December: 1.69"

The wettest month (with the highest rainfall) is April (2.24").
The driest months (with the least rainfall) are February and March (1.22").

Average rainfall days in December
Monson, ME

Average rainfall days in December - Monson, ME
  • Average rainfall days in December: 9.6 days

The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is February (7.7 days).

Average snowfall in December
Monson, ME

Average snowfall in December - Monson, ME
  • Average snowfall in December: 4.61"

The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Monson, ME

Average snowfall days in December - Monson, ME
  • Average snowfall days in December: 12.8 days

The month with the highest number of snowfall days is February (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Monson, 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 36min).

Average sunshine days in December
Monson, ME

Average sunshine days in December - Monson, ME
  • Average sunshine days in December: 13.7 days

The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is April (10.4 days).

Average UV index in December
Monson, ME

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

The months with the highest UV index are June and July (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
Monson, ME

Average cloud cover in December - Monson, ME
  • Average cloud cover in December: 56

The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 41).

Average visibility in December
Monson, ME

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

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

Monson, Maine, USA

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