December weather forecast
East Prospect Plantation, MD

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Weather in December

The first month of the winter, December, is still a chilly month in East Prospect Plantation, Maryland, with temperature in the range of an average low of 36.3°F (2.4°C) and an average high of 46.2°F (7.9°C).

Temperature

In December, the average high-temperature marginally decreases from a cool 54.5°F (12.5°C) in November to a frosty 46.2°F (7.9°C). Throughout December, a steady low-temperature average of 36.3°F (2.4°C) is noted.

Humidity

In December, the average relative humidity is 76%.

Rainfall

In East Prospect Plantation, Maryland, during December, the rain falls for 11.4 days and regularly aggregates up to 2.91" (74mm) of precipitation. In East Prospect Plantation, during the entire year, the rain falls for 159 days and collects up to 32.36" (822mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In East Prospect Plantation, in December, during 1.7 snowfall days, 0.31" (8mm) of snow is typically accumulated. In East Prospect Plantation, during the entire year, snow falls for 11.4 days and aggregates up to 4.13" (105mm) 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 the month, sunrise is at 7:04 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:52 pm EST.

Sunshine

The average sunshine in December in East Prospect Plantation is 5.2h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

An average high-temperature, in December, in East Prospect Plantation, is 46.2°F (7.9°C) and the average low-temperature is 36.3°F (2.4°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is evaluated at 89.6°F (32°C).

What is the average humidity in December?

The average relative humidity in December is 76%.

How many days does it rain in December?

In East Prospect Plantation, in December, it is raining for 11.4 days, with typically 2.91" (74mm) of accumulated precipitation.

How much does it snow in December?

In East Prospect Plantation, in December, during 1.7 snowfall days, 0.31" (8mm) of snow is typically accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

In December, the average day length in East Prospect Plantation is 9h and 29min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:52 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 5.2h.

When is the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
East Prospect Plantation, MD

Average temperature in December - East Prospect Plantation, MD
  • Average high temperature in December: 46.2°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in December: 36.3°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in December
East Prospect Plantation, MD

Average pressure in December - East Prospect Plantation, 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
East Prospect Plantation, MD

Average wind speed in December - East Prospect Plantation, MD
  • Average wind speed in December: 9.2mph

The windiest months (with the highest average wind speed) are February and March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in December
East Prospect Plantation, MD

Average humidity in December - East Prospect Plantation, MD
  • Average humidity in December: 76%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (73%).

Average rainfall in December
East Prospect Plantation, MD

Average rainfall in December - East Prospect Plantation, MD
  • Average rainfall in December: 2.91"

The wettest month (with the highest rainfall) is July (3.31").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in December
East Prospect Plantation, MD

Average rainfall days in December - East Prospect Plantation, MD
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in December
East Prospect Plantation, MD

Average snowfall in December - East Prospect Plantation, MD
  • Average snowfall in December: 0.31"

The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
East Prospect Plantation, MD

Average snowfall days in December - East Prospect Plantation, MD
  • Average snowfall days in December: 1.7 days

The month with the highest number of snowfall days is January (4.2 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
East Prospect Plantation, MD

Average daylight in December / Average sunshine in December - East Prospect Plantation, 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 0min).

Average sunshine days in December
East Prospect Plantation, MD

Average sunshine days in December - East Prospect Plantation, MD
  • Average sunshine days in December: 17.4 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.1 days).

Average UV index in December
East Prospect Plantation, MD

Average UV index in December - East Prospect Plantation, 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).

Average cloud cover in December
East Prospect Plantation, MD

Average cloud cover in December - East Prospect Plantation, MD
  • Average cloud cover in December: 45

The months with the most cloud cover are February, March and December (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in December
East Prospect Plantation, MD

Average visibility in December - East Prospect Plantation, 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).

East Prospect Plantation, Maryland, USA

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