December weather forecast
Old Glory Beach, MD

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Weather in December

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

Temperature

In December, the meteorological conditions change slightly, with the average high-temperature moving from a fresh 53.8°F (12.1°C) in November to a chilly 45.5°F (7.5°C). An average nighttime temperature of 34.7°F (1.5°C) is noted during the month of December.

Humidity

The average relative humidity in December is 75%.

Rainfall

In Old Glory Beach, during December, the rain falls for 11.4 days and regularly aggregates up to 2.83" (72mm) of precipitation. In Old Glory Beach, during the entire year, the rain falls for 155.7 days and collects up to 31.22" (793mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Old Glory Beach, during December, snow falls for 2.4 days and regularly aggregates up to 0.63" (16mm) of snow. Throughout the year, there are 14 snowfall days, and 6.14" (156mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:07 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 December, the average sunshine is 5.2h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The UV index of 2 during December translates into the following guidance:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.

Frequently asked questions

What is the average December temperature?

The high-temperature during December is 45.5°F (7.5°C) and the low-temperature is 34.7°F (1.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is calculated to be 91.4°F (33°C).

What is the average humidity in December?

In December, the average relative humidity is 75%.

How much does it rain in December?

In Old Glory Beach, 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 December?

In Old Glory Beach, in December, during 2.4 snowfall days, 0.63" (16mm) of snow is typically accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Old Glory Beach have in December?

In Old Glory Beach, the average day length in December is 9h and 28min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:07 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 long on average sun shines in December?

In Old Glory Beach, the average sunshine duration in December is 5.2h.

When is the lowest UV index in Old Glory Beach?

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Old Glory Beach.

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes 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
Old Glory Beach, MD

Average temperature in December - Old Glory Beach, 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).

Average pressure in December
Old Glory Beach, MD

Average pressure in December - Old Glory Beach, 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).

Average wind speed in December
Old Glory Beach, MD

Average wind speed in December - Old Glory Beach, 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).

Average humidity in December
Old Glory Beach, MD

Average humidity in December - Old Glory Beach, 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%).

Average rainfall in December
Old Glory Beach, MD

Average rainfall in December - Old Glory Beach, 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").

Average rainfall days in December
Old Glory Beach, MD

Average rainfall days in December - Old Glory Beach, 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).

Average snowfall in December
Old Glory Beach, MD

Average snowfall in December - Old Glory Beach, 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").

Average snowfall days in December
Old Glory Beach, MD

Average snowfall days in December - Old Glory Beach, 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).

Average daylight in December /
Average sunshine in December
Old Glory Beach, MD

Average daylight in December / Average sunshine in December - Old Glory Beach, 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).

Average sunshine days in December
Old Glory Beach, MD

Average sunshine days in December - Old Glory Beach, 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).

Average UV index in December
Old Glory Beach, MD

Average UV index in December - Old Glory Beach, 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).

Average cloud cover in December
Old Glory Beach, MD

Average cloud cover in December - Old Glory Beach, 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).

Average visibility in December
Old Glory Beach, MD

Average visibility in December - Old Glory Beach, 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).

Old Glory Beach, Maryland, USA

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