December weather forecast
Cape Arthur, MD

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Weather in December

The first month of the winter, December, is still a chilly month in Cape Arthur, Maryland, with an average temperature varying between 34.7°F (1.5°C) and 45.5°F (7.5°C).

Temperature

As November transitions into December, Cape Arthur sees a gentle drop in the average high-temperature, transitioning from a fresh 53.8°F (12.1°C) to a frosty 45.5°F (7.5°C). Cape Arthur throughout December, experiences an average nighttime temperature of 34.7°F (1.5°C).

Humidity

In Cape Arthur, Maryland, the average relative humidity in December is 75%.

Rainfall

In Cape Arthur, in December, during 11.4 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. In Cape Arthur, during the entire year, the rain falls for 155.7 days and collects up to 31.22" (793mm) of precipitation.

Snowfall

Months with snowfall in Cape Arthur are January through April, November and December. In Cape Arthur, in December, snow falls for 2.4 days, with typically accumulated 0.63" (16mm) of snow. In Cape Arthur, during the entire year, snow falls for 14 days and aggregates up to 6.14" (156mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:06 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:53 pm EST.

Sunshine

In Cape Arthur, the average sunshine in December is 5.2h.

UV index

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Cape Arthur. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 2 during December translates into the following guidance:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

What is the average December temperature in Cape Arthur?

During December, Cape Arthur experiences an average high-temperature of 45.5°F (7.5°C) and a low-temperature of 34.7°F (1.5°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 91.4°F (33°C).

What is the average humidity in December in Cape Arthur?

In Cape Arthur, the average relative humidity in December is 75%.

How many days does it rain in December in Cape Arthur?

In Cape Arthur, Maryland, during December, the rain falls for 11.4 days and regularly aggregates up to 2.83" (72mm) of precipitation.

How much does it snow in Cape Arthur in December?

In Cape Arthur, in December, snow falls for 2.4 days, with typically accumulated 0.63" (16mm) of snow.

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

The month with the shortest days in Cape Arthur, Maryland, is December, with an average of 9h and 30min of daylight.

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

In December, the average day length in Cape Arthur, Maryland, is 9h and 29min.

When are sunrise and sunset in December in Cape Arthur?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:53 pm EST.

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

The average sunshine duration in December in Cape Arthur, Maryland, is 5.2h.

When is the lowest UV index in Cape Arthur?

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

How high is the UV index in December in Cape Arthur?

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 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
Cape Arthur, MD

Average temperature in December - Cape Arthur, MD
  • Average high temperature in December: 45.5°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in December: 34.7°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in December
Cape Arthur, MD

Average pressure in December - Cape Arthur, MD
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Cape Arthur, MD

Average wind speed in December - Cape Arthur, MD
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in December
Cape Arthur, MD

Average humidity in December - Cape Arthur, MD
  • Average humidity in December: 75%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

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Average rainfall in December
Cape Arthur, MD

Average rainfall in December - Cape Arthur, MD
  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in December
Cape Arthur, MD

Average rainfall days in December - Cape Arthur, MD
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall in December
Cape Arthur, MD

Average snowfall in December - Cape Arthur, MD
  • Average snowfall in December: 0.63"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Cape Arthur, MD

Average snowfall days in December - Cape Arthur, MD
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Cape Arthur, MD

Average daylight in December / Average sunshine in December - Cape Arthur, MD
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in December
Cape Arthur, MD

Average sunshine days in December - Cape Arthur, MD
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in December
Cape Arthur, MD

Average UV index in December - Cape Arthur, MD
  • Average UV index in December: 2

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

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Average cloud cover in December
Cape Arthur, MD

Average cloud cover in December - Cape Arthur, MD
  • Average cloud cover in December: 44

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in December
Cape Arthur, MD

Average visibility in December - Cape Arthur, MD
  • 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 Arthur, Maryland, USA

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