December weather forecast
Gibson Island, MD

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Weather in December

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

Temperature

The arrival of December corresponds with a light shift in temperature, down from a fresh 53.8°F (12.1°C) in November to a frosty 45.5°F (7.5°C). Throughout December, Gibson Island witnesses a nighttime temperature average of 34.7°F (1.5°C).

Humidity

In Gibson Island, Maryland, the average relative humidity in December is 75%.

Rainfall

In Gibson Island, in December, it is raining for 11.4 days, with typically 2.83" (72mm) of accumulated precipitation. Throughout the year, in Gibson Island, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Gibson Island, during December, snow falls for 2.4 days and regularly aggregates up to 0.63" (16mm) of snow. In Gibson Island, Maryland, during the entire year, snow falls for 14 days and aggregates up to 6.14" (156mm) of snow.

Daylight

The month with the shortest days in Gibson Island, Maryland, is December, with an average of 9h and 30min of daylight.
On the first day of December in Gibson Island, Maryland, sunrise is at 7:06 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:53 pm EST.

Sunshine

In December, the average sunshine in Gibson Island is 5.2h.

UV index

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What is the usual temperature for Gibson Island in December?

In Gibson Island, in December, the average high-temperature is 45.5°F (7.5°C), and the average low-temperature is 34.7°F (1.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in August is estimated at 91.4°F (33°C).

What is the average humidity in December in Gibson Island?

In December, the average relative humidity is 75%.

How many days does it rain in December in Gibson Island?

In Gibson Island, 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 Gibson Island in December?

In Gibson Island, during December, snow falls for 2.4 days and regularly aggregates up to 0.63" (16mm) of snow.

What is the month with the shortest days in Gibson Island?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

What is the average length of the day in December in Gibson Island?

In Gibson Island, the average day length in December is 9h and 29min.

When is the sunrise / sunset in December in Gibson Island?

On the first day of December in Gibson Island, Maryland, sunrise is at 7:06 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:53 pm EST.

How long on average sun shines in December in Gibson Island?

In Gibson Island, the average sunshine duration in December is 5.2h.

What are the months with the lowest UV index in Gibson Island?

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

What is the UV index reading in December in Gibson Island?

In Gibson Island, Maryland, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Gibson Island, MD

Average temperature in December - Gibson Island, 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
Gibson Island, MD

Average pressure in December - Gibson Island, 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
Gibson Island, MD

Average wind speed in December - Gibson Island, 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
Gibson Island, MD

Average humidity in December - Gibson Island, 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
Gibson Island, MD

Average rainfall in December - Gibson Island, 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
Gibson Island, MD

Average rainfall days in December - Gibson Island, 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
Gibson Island, MD

Average snowfall in December - Gibson Island, 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
Gibson Island, MD

Average snowfall days in December - Gibson Island, 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
Gibson Island, MD

Average daylight in December / Average sunshine in December - Gibson Island, 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
Gibson Island, MD

Average sunshine days in December - Gibson Island, 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
Gibson Island, MD

Average UV index in December - Gibson Island, 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
Gibson Island, MD

Average cloud cover in December - Gibson Island, 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
Gibson Island, MD

Average visibility in December - Gibson Island, 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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Gibson Island, Maryland, USA

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