December weather forecast
Smyrna Mills, ME

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Weather in December

The first month of the winter, December, is still a freezing cold month in Smyrna Mills, Maine, with temperature in the range of an average high of 27.3°F (-2.6°C) and an average low of 16.2°F (-8.8°C).

Temperature

Smyrna Mills's weather changes with the onset of December, slightly falling from an icy 39.2°F (4°C) in November to a subzero cold 27.3°F (-2.6°C). During December, Smyrna Mills records a consistent average nighttime temperature of 16.2°F (-8.8°C).

Humidity

In Smyrna Mills, the average relative humidity in December is 88%.

Rainfall

The month with the most rainfall in Smyrna Mills is December, when the rain falls for 9.3 days and typically aggregates up to 3.27" (83mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, in Smyrna Mills, it is snowing for 14.9 days. Throughout December, 11.3" (287mm) of snow is accumulated. In Smyrna Mills, during the entire year, snow falls for 88.2 days and aggregates up to 62.83" (1596mm) of snow.

Daylight

December has the shortest days of the year in Smyrna Mills, with an average of 8h and 42min of daylight.
On the first day of December, sunrise is at 6:55 am and sunset at 3:48 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 3:56 pm EST.

Sunshine

The average sunshine in December is 3.5h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 1 in December interprets into the following advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Smyrna Mills in December?

In December, in Smyrna Mills, the average high-temperature is 27.3°F (-2.6°C), and the average low-temperature is 16.2°F (-8.8°C).

What is the average humidity in December in Smyrna Mills?

In Smyrna Mills, Maine, the average relative humidity in December is 88%.

What is the wettest month in Smyrna Mills?

The month with the most rainfall in Smyrna Mills is December, when the rain falls for 9.3 days and typically aggregates up to 3.27" (83mm) of precipitation.

How many days does it rain in December in Smyrna Mills?

In Smyrna Mills, Maine, in December, during 9.3 rainfall days, 3.27" (83mm) of precipitation is typically accumulated.

How many days does it snow in December in Smyrna Mills?

In Smyrna Mills, in December, during 14.9 snowfall days, 11.3" (287mm) of snow is typically accumulated.

What is the month with the shortest days in Smyrna Mills?

With an average of 8h and 42min of daylight, December has the shortest days of the year in Smyrna Mills, Maine.

How many hours of daylight does Smyrna Mills have in December?

The average day length in December is 8h and 42min.

When is the sunrise / sunset in December in Smyrna Mills?

On the first day of December in Smyrna Mills, sunrise is at 6:55 am and sunset at 3:48 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 3:56 pm EST.

How long on average sun shines in December in Smyrna Mills?

In Smyrna Mills, the average sunshine duration in December is 3.5h.

What is the month with the lowest UV index in Smyrna Mills?

The months with the lowest UV index in Smyrna Mills, Maine, are January through March, November and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Smyrna Mills?

The average daily maximum UV index in December is 1. 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
Smyrna Mills, ME

Average temperature in December - Smyrna Mills, ME
  • Average high temperature in December: 27.3°F

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (21.9°F).

  • Average low temperature in December: 16.2°F

The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).

Average pressure in December
Smyrna Mills, ME

Average pressure in December - Smyrna Mills, ME
  • Average pressure in December: 29.99"Hg

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

Average wind speed in December
Smyrna Mills, ME

Average wind speed in December - Smyrna Mills, ME
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in December
Smyrna Mills, ME

Average humidity in December - Smyrna Mills, ME
  • Average humidity in December: 88%

The months with the highest relative humidity are January, February and March (91%).
The month with the lowest relative humidity is May (76%).

Average rainfall in December
Smyrna Mills, ME

Average rainfall in December - Smyrna Mills, ME
  • Average rainfall in December: 3.27"

The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (2.17").

Average rainfall days in December
Smyrna Mills, ME

Average rainfall days in December - Smyrna Mills, ME
  • Average rainfall days in December: 9.3 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in December
Smyrna Mills, ME

Average snowfall in December - Smyrna Mills, ME
  • Average snowfall in December: 11.3"

The months with the highest snowfall are January and February (13.07").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Smyrna Mills, ME

Average snowfall days in December - Smyrna Mills, ME
  • Average snowfall days in December: 14.9 days

The month with the highest number of snowfall days is February (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Smyrna Mills, ME

Average daylight in December / Average sunshine in December - Smyrna Mills, ME
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in December: 3h and 3min

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).

Average sunshine days in December
Smyrna Mills, ME

Average sunshine days in December - Smyrna Mills, ME
  • Average sunshine days in December: 12.6 days

The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is April (8.7 days).

Average UV index in December
Smyrna Mills, ME

Average UV index in December - Smyrna Mills, ME
  • Average UV index in December: 1

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, November and December (UV index 1).

Average cloud cover in December
Smyrna Mills, ME

Average cloud cover in December - Smyrna Mills, ME
  • Average cloud cover in December: 64

The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 42).

Average visibility in December
Smyrna Mills, ME

Average visibility in December - Smyrna Mills, ME
  • Average visibility in December: 4mi

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

Smyrna Mills, Maine, USA

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