December weather forecast
West Southport, ME

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Weather in December

December, the first month of the winter in West Southport, is still a cold month, with an average temperature fluctuating between 35.2°F (1.8°C) and 26.2°F (-3.2°C).

Temperature

As November transitions to December, the average high-temperature falls from a chilly 45.5°F (7.5°C) to a wintry 35.2°F (1.8°C). West Southport upholds a consistent average temperature of 26.2°F (-3.2°C) throughout the nights of December.

Humidity

The average relative humidity in December is 78%.

Rainfall

The months with the most rainfall are October and December, with an average 3.5" (89mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 6.8 days. Throughout December, 3.39" (86mm) of snow is accumulated. In West Southport, Maine, during the entire year, snow falls for 40.2 days and aggregates up to 18.82" (478mm) of snow.

Daylight

The month with the shortest days in West Southport is December, with an average of 9h and 0min of daylight.
On the first day of December, sunrise is at 6:53 am and sunset at 4:02 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:11 pm EST.

Sunshine

The months with the least sunshine are February and December, with an average of 4.6h of sunshine.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 2 during December translates into the following guidance:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The average high-temperature and low-temperature during December are 35.2°F (1.8°C) and 26.2°F (-3.2°C) respectively.

What is the average humidity in December in West Southport?

The average relative humidity in December is 78%.

What is the rainiest month?

The wettest months are October and December, with an average 3.5" (89mm) of rainfall.

How many days does it rain in December?

In December, the rain falls for 11.1 days. Throughout December, 3.5" (89mm) of precipitation is accumulated.

How much does it snow in December?

In West Southport, in December, snow falls for 6.8 days, with typically accumulated 3.39" (86mm) of snow.

What is the month with the shortest days?

With an average of 9h and 0min of daylight, December has the shortest days of the year.

How many hours of daylight does West Southport have in December?

In December, the average day length is 8h and 59min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:53 am and sunset at 4:02 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:11 pm EST.

What is the month with the least sunshine?

February and December, with an average of 4.6h of sunshine, are months with the least sunshine.

How long on average sun shines in December?

In December, the average sunshine duration is 4.6h.

What is the month with the lowest UV index?

January through March, November and 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 reading of 2, and below, represents a low health threat 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
West Southport, ME

Average temperature in December - West Southport, ME
  • Average high temperature in December: 35.2°F

The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in December: 26.2°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in December
West Southport, ME

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

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

Average wind speed in December
West Southport, ME

Average wind speed in December - West Southport, ME
  • Average wind speed in December: 10.5mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

Average humidity in December
West Southport, ME

Average humidity in December - West Southport, ME
  • Average humidity in December: 78%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is November (75%).

Average rainfall in December
West Southport, ME

Average rainfall in December - West Southport, ME
  • Average rainfall in December: 3.5"

The wettest months (with the highest rainfall) are October and December (3.5").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in December
West Southport, ME

Average rainfall days in December - West Southport, ME
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is January (7.2 days).

Average snowfall in December
West Southport, ME

Average snowfall in December - West Southport, ME
  • Average snowfall in December: 3.39"

The month with the highest snowfall is January (4.53").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
West Southport, ME

Average snowfall days in December - West Southport, ME
  • Average snowfall days in December: 6.8 days

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
West Southport, ME

Average daylight in December / Average sunshine in December - West Southport, ME
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).

Average sunshine days in December
West Southport, ME

Average sunshine days in December - West Southport, ME
  • Average sunshine days in December: 14.4 days

The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is April (11.9 days).

Average UV index in December
West Southport, ME

Average UV index in December - West Southport, 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, November and December (UV index 2).

Average cloud cover in December
West Southport, ME

Average cloud cover in December - West Southport, ME
  • Average cloud cover in December: 50

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in December
West Southport, ME

Average visibility in December - West Southport, ME
  • Average visibility in December: 6mi

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

West Southport, Maine, USA

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