December weather forecast
Oxon Hill, MD

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Weather in December

December, the first month of the winter in Oxon Hill, is also a frosty month, with an average temperature fluctuating between 34°F (1.1°C) and 46.2°F (7.9°C).

Temperature

The beginning of December brings a slight decrease in the average high-temperature, transitioning from a fresh 55°F (12.8°C) in November to a chilly 46.2°F (7.9°C). Throughout December, Oxon Hill's nights cool down to an average of 34°F (1.1°C).

Humidity

The months with the highest humidity are May, October and December, with an average relative humidity of 76%.

Rainfall

In Oxon Hill, in December, it is raining for 10.6 days, with typically 2.68" (68mm) of accumulated precipitation. In Oxon Hill, during the entire year, the rain falls for 158.2 days and collects up to 30.67" (779mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Oxon Hill, in December, snow falls for 2.5 days, with typically accumulated 1.02" (26mm) of snow. Throughout the year, there are 14.4 snowfall days, and 7.56" (192mm) 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 the month, sunrise is at 7:07 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:56 pm EST.

Sunshine

In December, the average sunshine is 5.2h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 2 during December translates into the following directions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

December temperatures vary between a high-temperature of 46.2°F (7.9°C) and a low-temperature of 34°F (1.1°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in August is evaluated at 95°F (35°C).

What are the most humid months?

The months with the highest humidity are May, October and December, with an average relative humidity of 76%.

What is the average humidity in December?

In Oxon Hill, the average relative humidity in December is 76%.

How much does it rain in Oxon Hill in December?

In December, the rain falls for 10.6 days. Throughout December, 2.68" (68mm) of precipitation is accumulated.

How many days does it snow in December?

In Oxon Hill, during December, snow falls for 2.5 days and regularly aggregates up to 1.02" (26mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

How many hours of daylight does Oxon Hill have in December?

In Oxon Hill, the average day length in December is 9h and 30min.

When are sunrise and sunset in December in Oxon Hill?

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:56 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 5.2h.

When is the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Oxon Hill, MD

Average temperature in December - Oxon Hill, MD
  • Average high temperature in December: 46.2°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in December: 34°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

Average pressure in December
Oxon Hill, MD

Average pressure in December - Oxon Hill, 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 (29.95"Hg).

Average wind speed in December
Oxon Hill, MD

Average wind speed in December - Oxon Hill, MD
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Oxon Hill, MD

Average humidity in December - Oxon Hill, MD
  • Average humidity in December: 76%

The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).

Average rainfall in December
Oxon Hill, MD

Average rainfall in December - Oxon Hill, MD
  • Average rainfall in December: 2.68"

The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in December
Oxon Hill, MD

Average rainfall days in December - Oxon Hill, MD
  • Average rainfall days in December: 10.6 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in December
Oxon Hill, MD

Average snowfall in December - Oxon Hill, MD
  • Average snowfall in December: 1.02"

The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Oxon Hill, MD

Average snowfall days in December - Oxon Hill, MD
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is January (4.5 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
Oxon Hill, MD

Average daylight in December / Average sunshine in December - Oxon Hill, 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 48min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in December
Oxon Hill, MD

Average sunshine days in December - Oxon Hill, MD
  • Average sunshine days in December: 17.4 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.5 days).

Average UV index in December
Oxon Hill, MD

Average UV index in December - Oxon Hill, 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
Oxon Hill, MD

Average cloud cover in December - Oxon Hill, MD
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in December
Oxon Hill, MD

Average visibility in December - Oxon Hill, MD
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

Oxon Hill, Maryland, USA

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