December weather forecast
Woods of Shannon, MD

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Weather in December

The first month of the winter, December, is also a frosty month in Woods of Shannon, Maryland, with an average temperature fluctuating between 34.7°F (1.5°C) and 45.5°F (7.5°C).

Temperature

The start of December involves a subtle temperature drop, shifting from a fresh 53.8°F (12.1°C) in November to a chilly 45.5°F (7.5°C). The temperature lowers to an average of 34.7°F (1.5°C) during December nights.

Humidity

The average relative humidity in December is 75%.

Rainfall

In Woods of Shannon, during December, the rain falls for 11.4 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Woods of Shannon, in December, snow falls for 2.4 days, with typically accumulated 0.63" (16mm) of snow. In Woods of Shannon, 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 Woods of Shannon is December, with an average of 9h and 30min of daylight.
On the first day of December in Woods of Shannon, sunrise is at 7:07 am and sunset at 4:44 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 value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

What is the average December temperature?

In Woods of Shannon, 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. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 91.4°F (33°C).

What is the average humidity in December?

The average relative humidity in December is 75%.

How much does it rain in December?

In December, the rain falls for 11.4 days. Throughout December, 2.83" (72mm) of precipitation is accumulated.

How many days does it snow in December?

In Woods of Shannon, 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?

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

What is the average length of the day in December?

In Woods of Shannon, the average day length in December is 9h and 28min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:07 am and sunset at 4:44 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?

The average sunshine duration in December in Woods of Shannon, Maryland, is 5.2h.

What are the months with the lowest UV index?

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

What is the UV index reading 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 exposure to the Sun's 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
Woods of Shannon, MD

Average temperature in December - Woods of Shannon, 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
Woods of Shannon, MD

Average pressure in December - Woods of Shannon, 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
Woods of Shannon, MD

Average wind speed in December - Woods of Shannon, 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
Woods of Shannon, MD

Average humidity in December - Woods of Shannon, 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
Woods of Shannon, MD

Average rainfall in December - Woods of Shannon, 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
Woods of Shannon, MD

Average rainfall days in December - Woods of Shannon, 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
Woods of Shannon, MD

Average snowfall in December - Woods of Shannon, 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
Woods of Shannon, MD

Average snowfall days in December - Woods of Shannon, 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
Woods of Shannon, MD

Average daylight in December / Average sunshine in December - Woods of Shannon, 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
Woods of Shannon, MD

Average sunshine days in December - Woods of Shannon, 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
Woods of Shannon, MD

Average UV index in December - Woods of Shannon, 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
Woods of Shannon, MD

Average cloud cover in December - Woods of Shannon, 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
Woods of Shannon, MD

Average visibility in December - Woods of Shannon, 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).

Woods of Shannon, Maryland, USA

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