December weather forecast
Prince Frederick, MD

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Weather in December

December, the first month of the winter in Prince Frederick, is still a chilly month, with an average temperature fluctuating between 46.6°F (8.1°C) and 36.5°F (2.5°C).

Temperature

Prince Frederick in December undergoes a slight reduction in the average high-temperature, shifting from November's fresh 54.9°F (12.7°C) to a chilly 46.6°F (8.1°C). During December, the nighttime temperature in Prince Frederick averages of 36.5°F (2.5°C).

Humidity

The average relative humidity in December is 76%.

Rainfall

In Prince Frederick, in December, during 10.6 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. Throughout the year, there are 158.1 rainfall days, and 33.07" (840mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Prince Frederick, Maryland, in December, during 1.7 snowfall days, 0.71" (18mm) of snow is typically accumulated. In Prince Frederick, during the entire year, snow falls for 10.6 days and aggregates up to 5.51" (140mm) 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 7:05 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:55 pm EST.

Sunshine

The average sunshine in December in Prince Frederick, Maryland, is 5.1h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Prince Frederick. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

What are the temperatures in Prince Frederick in December?

In Prince Frederick, 46.6°F (8.1°C) is the average high-temperature and 36.5°F (2.5°C) is the average low-temperature during December. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 91.4°F (33°C).

What is the average humidity in December in Prince Frederick?

The average relative humidity in December in Prince Frederick, Maryland, is 76%.

How much does it rain in Prince Frederick in December?

In Prince Frederick, in December, it is raining for 10.6 days, with typically 2.13" (54mm) of accumulated precipitation.

How much does it snow in Prince Frederick in December?

In Prince Frederick, Maryland, in December, during 1.7 snowfall days, 0.71" (18mm) of snow is typically accumulated.

What is the month with the shortest days in Prince Frederick?

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

What is the average length of the day in December in Prince Frederick?

In December, the average day length in Prince Frederick is 9h and 32min.

What time are sunrise and sunset in December in Prince Frederick?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 4:45 pm. On the last day of the month, in Prince Frederick, sunrise is at 7:23 am and sunset at 4:55 pm EST.

How long on average sun shines in December in Prince Frederick?

The average sunshine duration in December is 5.1h.

What is the month with the lowest UV index in Prince Frederick?

The months with the lowest UV index in Prince Frederick, Maryland, are January and December, with an average maximum UV index of 2.

What is the UV index reading in December in Prince Frederick?

The average daily maximum UV index in December in Prince Frederick, Maryland, is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Prince Frederick, MD

Average temperature in December - Prince Frederick, MD
  • Average high temperature in December: 46.6°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in December: 36.5°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 (30°F).

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Average pressure in December
Prince Frederick, MD

Average pressure in December - Prince Frederick, 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 (29.95"Hg).

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Average wind speed in December
Prince Frederick, MD

Average wind speed in December - Prince Frederick, MD
  • Average wind speed in December: 8.3mph

The windiest month (with the highest average wind speed) is March (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

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Average humidity in December
Prince Frederick, MD

Average humidity in December - Prince Frederick, MD
  • Average humidity in December: 76%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is January (72%).

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Average rainfall in December
Prince Frederick, MD

Average rainfall in December - Prince Frederick, MD
  • Average rainfall in December: 2.13"

The wettest month (with the highest rainfall) is July (4.41").
The driest month (with the least rainfall) is January (1.81").

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Average rainfall days in December
Prince Frederick, MD

Average rainfall days in December - Prince Frederick, MD
  • Average rainfall days in December: 10.6 days

The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is November (8 days).

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Average snowfall in December
Prince Frederick, MD

Average snowfall in December - Prince Frederick, MD
  • Average snowfall in December: 0.71"

The month with the highest snowfall is January (1.85").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Prince Frederick, MD

Average snowfall days in December - Prince Frederick, MD
  • Average snowfall days in December: 1.7 days

The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Prince Frederick, MD

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

The month with the longest days is June (Average daylight: 14h and 48min).
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 42min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in December
Prince Frederick, MD

Average sunshine days in December - Prince Frederick, MD
  • Average sunshine days in December: 18.2 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (11.3 days).

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Average UV index in December
Prince Frederick, MD

Average UV index in December - Prince Frederick, 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 and December (UV index 2).

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Average cloud cover in December
Prince Frederick, MD

Average cloud cover in December - Prince Frederick, MD
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in December
Prince Frederick, MD

Average visibility in December - Prince Frederick, 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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Prince Frederick, Maryland, USA

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