December weather forecast
Cape Neddick, ME

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Weather in December

The first month of the winter, December, is also an icy month in Cape Neddick, Maine, with an average temperature fluctuating between 36.5°F (2.5°C) and 26.6°F (-3°C).

Temperature

December's onset corresponds with a shift in the average high-temperature, moving from a chilly 46.4°F (8°C) in November to a wintry 36.5°F (2.5°C). In Cape Neddick, the average nighttime temperature during December is a subzero cold 26.6°F (-3°C).

Humidity

In December, the average relative humidity is 79%.

Rainfall

In Cape Neddick, Maine, during December, the rain falls for 9.6 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 127.9 rainfall days, and 17.28" (439mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall. In Cape Neddick, Maine, during December, snow falls for 5.9 days and regularly aggregates up to 2.4" (61mm) of snow. In Cape Neddick, Maine, during the entire year, snow falls for 29.4 days and aggregates up to 8.78" (223mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 6:55 am and sunset at 4:08 pm. On the last day of December, sunrise is at 7:14 am and sunset at 4:17 pm EST.

Sunshine

The months with the least sunshine are February and December, with an average of 4.9h 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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
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Frequently asked questions

How cold is it in Cape Neddick in December?

In Cape Neddick, 36.5°F (2.5°C) is the average high-temperature and 26.6°F (-3°C) is the average low-temperature during December.

What is the average humidity in December in Cape Neddick?

In December, the average relative humidity in Cape Neddick, Maine, is 79%.

How much does it rain in Cape Neddick in December?

In Cape Neddick, in December, during 9.6 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

How many days does it snow in December in Cape Neddick?

In Cape Neddick, during December, snow falls for 5.9 days and regularly aggregates up to 2.4" (61mm) of snow.

What is the month with the shortest days in Cape Neddick?

With an average of 9h and 6min of daylight, December has the shortest days of the year in Cape Neddick.

How many hours of daylight does Cape Neddick have in December?

In December, the average day length in Cape Neddick is 9h and 3min.

When is the sunrise / sunset in December in Cape Neddick?

In December, on the first day of the month, sunrise is at 6:55 am and sunset at 4:08 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:17 pm EST.

What are the months with the least sunshine in Cape Neddick?

February and December, with an average of 4.9h of sunshine, are months with the least sunshine.

How many hours of sunshine does Cape Neddick have in December?

In December, the average sunshine duration in Cape Neddick, Maine, is 4.9h.

What is the month with the lowest UV index in Cape Neddick?

The months with the lowest UV index in Cape Neddick are January through March, November and December, with an average maximum UV index of 2.

What is the UV index reading in December in Cape Neddick?

In Cape Neddick, Maine, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Cape Neddick, ME

Average temperature in December - Cape Neddick, ME
  • Average high temperature in December: 36.5°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 (30.6°F).

  • Average low temperature in December: 26.6°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

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Average pressure in December
Cape Neddick, ME

Average pressure in December - Cape Neddick, ME
  • Average pressure in December: 30.02"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in December
Cape Neddick, ME

Average wind speed in December - Cape Neddick, ME
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

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Average humidity in December
Cape Neddick, ME

Average humidity in December - Cape Neddick, ME
  • Average humidity in December: 79%

The months with the highest relative humidity are January, June and July (81%).
The months with the lowest relative humidity are April and November (76%).

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Average rainfall in December
Cape Neddick, ME

Average rainfall in December - Cape Neddick, ME
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is June (1.77").
The driest month (with the least rainfall) is September (1.06").

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Average rainfall days in December
Cape Neddick, ME

Average rainfall days in December - Cape Neddick, ME
  • Average rainfall days in December: 9.6 days

The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is February (5.6 days).

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Average snowfall in December
Cape Neddick, ME

Average snowfall in December - Cape Neddick, ME
  • Average snowfall in December: 2.4"

The month with the highest snowfall is January (2.44").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Cape Neddick, ME

Average snowfall days in December - Cape Neddick, ME
  • Average snowfall days in December: 5.9 days

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Cape Neddick, ME

Average daylight in December / Average sunshine in December - Cape Neddick, ME
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

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Average sunshine days in December
Cape Neddick, ME

Average sunshine days in December - Cape Neddick, ME
  • Average sunshine days in December: 17.2 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is April (14.3 days).

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Average UV index in December
Cape Neddick, ME

Average UV index in December - Cape Neddick, ME
  • Average UV index in December: 2

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in December
Cape Neddick, ME

Average cloud cover in December - Cape Neddick, ME
  • Average cloud cover in December: 47

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in December
Cape Neddick, ME

Average visibility in December - Cape Neddick, 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).

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Cape Neddick, Maine, USA

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