December weather forecast
South Orrington, ME

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Weather in December

The first month of the winter, December, is also a wintry month in South Orrington, Maine, with an average temperature ranging between min 21.7°F (-5.7°C) and max 32.4°F (0.2°C).

Temperature

The onset of December entails a temperature shift, as the average high-temperature decreases from a frosty 43.3°F (6.3°C) in November to an icy 32.4°F (0.2°C). South Orrington's average low-temperature in the month of December is recorded at a freezing cold 21.7°F (-5.7°C).

Humidity

The average relative humidity in December is 81%.

Rainfall

In South Orrington, during December, the rain falls for 9.4 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, in South Orrington, there are 125.4 rainfall days, and 13.78" (350mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In South Orrington, in December, during 8.6 snowfall days, 2.4" (61mm) of snow is typically accumulated. Throughout the year, in South Orrington, there are 49.7 snowfall days, and 14.88" (378mm) of snow is accumulated.

Daylight

December has the shortest days of the year in South Orrington, with an average of 8h and 54min of daylight.
On the first day of the month, sunrise is at 6:52 am and sunset at 3:56 pm. On the last day of December, sunrise is at 7:12 am and sunset at 4:04 pm EST.

Sunshine

In December, the average sunshine is 4.4h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in South Orrington. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.

Frequently asked questions

How cold is it in South Orrington in December?

During December, South Orrington experiences an average high-temperature of 32.4°F (0.2°C) and a low-temperature of 21.7°F (-5.7°C).

What is the average humidity in December?

In December, the average relative humidity is 81%.

How much does it rain in December?

In South Orrington, during December, the rain falls for 9.4 days and regularly aggregates up to 1.38" (35mm) of precipitation.

How many days does it snow in December?

In South Orrington, in December, during 8.6 snowfall days, 2.4" (61mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 54min of daylight.

How many hours of daylight does South Orrington have in December?

The average day length in December is 8h and 53min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:52 am and sunset at 3:56 pm. On the last day of the month, in South Orrington, sunrise is at 7:12 am and sunset at 4:04 pm EST.

How long on average sun shines in December?

In South Orrington, the average sunshine duration in December is 4.4h.

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?

In South Orrington, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat from 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
South Orrington, ME

Average temperature in December - South Orrington, ME
  • Average high temperature in December: 32.4°F

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (26.4°F).

  • Average low temperature in December: 21.7°F

The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).

Average pressure in December
South Orrington, ME

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

The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
South Orrington, ME

Average wind speed in December - South Orrington, ME
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in December
South Orrington, ME

Average humidity in December - South Orrington, ME
  • Average humidity in December: 81%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and May (77%).

Average rainfall in December
South Orrington, ME

Average rainfall in December - South Orrington, ME
  • Average rainfall in December: 1.38"

The wettest month (with the highest rainfall) is April (1.57").
The driest month (with the least rainfall) is July (0.79").

Average rainfall days in December
South Orrington, ME

Average rainfall days in December - South Orrington, ME
  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is June (13.7 days).
The month with the least rainy days is February (6.9 days).

Average snowfall in December
South Orrington, ME

Average snowfall in December - South Orrington, ME
  • Average snowfall in December: 2.4"

The month with the highest snowfall is January (3.9").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
South Orrington, ME

Average snowfall days in December - South Orrington, ME
  • Average snowfall days in December: 8.6 days

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
South Orrington, ME

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

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

Average sunshine days in December
South Orrington, ME

Average sunshine days in December - South Orrington, ME
  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is April (12.5 days).

Average UV index in December
South Orrington, ME

Average UV index in December - South Orrington, 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
South Orrington, ME

Average cloud cover in December - South Orrington, ME
  • Average cloud cover in December: 52

The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in December
South Orrington, ME

Average visibility in December - South Orrington, ME
  • Average visibility in December: 6mi

The months with the highest visibility are October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August and September (5mi).

South Orrington, Maine, USA

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