December weather forecast
Old Annapolis Neck, MD

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Weather in December

The first month of the winter, December, is also a frosty month in Old Annapolis Neck, Maryland, with temperature in the range of an average high of 46°F (7.8°C) and an average low of 36.5°F (2.5°C).

Temperature

The onset of December results in a small decrease in the average high-temperature, moderately receding from a cool 54.5°F (12.5°C) in November to a frosty 46°F (7.8°C). During the nights in December, the temperature averages to a wintry 36.5°F (2.5°C).

Humidity

The average relative humidity in December in Old Annapolis Neck is 75%.

Rainfall

In Old Annapolis Neck, during December, the rain falls for 7.4 days and regularly aggregates up to 0.67" (17mm) of precipitation. In Old Annapolis Neck, during the entire year, the rain falls for 120.4 days and collects up to 10.47" (266mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Old Annapolis Neck, in December, during 1.5 snowfall days, 0.12" (3mm) of snow is typically accumulated. In Old Annapolis Neck, during the entire year, snow falls for 8.3 days and aggregates up to 1.22" (31mm) 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 4:44 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:54 pm EST.

Sunshine

In December, the average sunshine is 5.2h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Old Annapolis Neck. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.

Frequently asked questions

What is the temperature in December?

The high-temperature, in December, in Old Annapolis Neck, is 46°F (7.8°C), while the low-temperature averages to 36.5°F (2.5°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 89.6°F (32°C).

What is the average humidity in December?

The average relative humidity in December is 75%.

How many days does it rain in December?

In December, the rain falls for 7.4 days. Throughout December, 0.67" (17mm) of precipitation is accumulated.

How much does it snow in December?

In Old Annapolis Neck, in December, during 1.5 snowfall days, 0.12" (3mm) of snow is typically accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Old Annapolis Neck have in December?

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

What time are sunrise and sunset in December in Old Annapolis Neck?

On the first day of December, sunrise is at 7:06 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:54 pm EST.

How many hours of sunshine does Old Annapolis Neck have in December?

In Old Annapolis Neck, the average sunshine duration in December is 5.2h.

What are the months with the lowest UV index in Old Annapolis Neck?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk 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
Old Annapolis Neck, MD

Average temperature in December - Old Annapolis Neck, MD
  • Average high temperature in December: 46°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in December: 36.5°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in December
Old Annapolis Neck, MD

Average pressure in December - Old Annapolis Neck, MD
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Old Annapolis Neck, MD

Average wind speed in December - Old Annapolis Neck, MD
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in December
Old Annapolis Neck, MD

Average humidity in December - Old Annapolis Neck, 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 Annapolis Neck, MD

Average rainfall in December - Old Annapolis Neck, MD
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in December
Old Annapolis Neck, MD

Average rainfall days in December - Old Annapolis Neck, MD
  • Average rainfall days in December: 7.4 days

The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

Average snowfall in December
Old Annapolis Neck, MD

Average snowfall in December - Old Annapolis Neck, MD
  • Average snowfall in December: 0.12"

The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Old Annapolis Neck, MD

Average snowfall days in December - Old Annapolis Neck, MD
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is February (2.5 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 Annapolis Neck, MD

Average daylight in December / Average sunshine in December - Old Annapolis Neck, 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 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in December
Old Annapolis Neck, MD

Average sunshine days in December - Old Annapolis Neck, MD
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

Average UV index in December
Old Annapolis Neck, MD

Average UV index in December - Old Annapolis Neck, 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, February and December (UV index 2).

Average cloud cover in December
Old Annapolis Neck, MD

Average cloud cover in December - Old Annapolis Neck, 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 Annapolis Neck, MD

Average visibility in December - Old Annapolis Neck, 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 Annapolis Neck, Maryland, USA

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