December weather forecast
Oak Lea, MD

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Weather in December

The first month of the winter, December, is still a chilly month in Oak Lea, Maryland, with an average temperature varying between 32.9°F (0.5°C) and 44.2°F (6.8°C).

Temperature

December implies a soft temperature shift, with average high-temperatures reducing from November's fresh 53.1°F (11.7°C) to a chilly 44.2°F (6.8°C). Oak Lea's average low-temperature during December nights is observed to be an icy 32.9°F (0.5°C).

Humidity

In Oak Lea, the average relative humidity in December is 76%.

Rainfall

In Oak Lea, in December, during 10.2 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Oak Lea, during the entire year, the rain falls for 159.3 days and collects up to 30.31" (770mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Oak Lea, in December, snow falls for 2.9 days, with typically accumulated 1.14" (29mm) of snow. Throughout the year, there are 15.9 snowfall days, and 8.7" (221mm) 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 December, sunrise is at 7:08 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:54 pm EST.

Sunshine

In Oak Lea, the average sunshine in December is 5.2h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Oak Lea, Maryland. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Enhance your sun protection with tightly woven, yet airy clothing. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in December?

The average high-temperature and low-temperature during December are 44.2°F (6.8°C) and 32.9°F (0.5°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 91.4°F (33°C).

What is the average humidity in December?

The average relative humidity in December is 76%.

How much does it rain in December?

In Oak Lea, in December, during 10.2 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

How much does it snow in December?

In Oak Lea, during December, snow falls for 2.9 days and regularly aggregates up to 1.14" (29mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Oak Lea have in December?

The average day length in December is 9h and 28min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:54 pm EST.

How long on average sun shines in December in Oak Lea?

In Oak Lea, the average sunshine duration in December is 5.2h.

What are the months with the lowest UV index?

January, February, November 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 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
Oak Lea, MD

Average temperature in December - Oak Lea, MD
  • Average high temperature in December: 44.2°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in December: 32.9°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in December
Oak Lea, MD

Average pressure in December - Oak Lea, 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
Oak Lea, MD

Average wind speed in December - Oak Lea, MD
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in December
Oak Lea, MD

Average humidity in December - Oak Lea, MD
  • Average humidity in December: 76%

The months with the highest relative humidity are May and October (77%).
The months with the lowest relative humidity are April and July (72%).

Average rainfall in December
Oak Lea, MD

Average rainfall in December - Oak Lea, MD
  • Average rainfall in December: 2.24"

The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is January (1.85").

Average rainfall days in December
Oak Lea, MD

Average rainfall days in December - Oak Lea, MD
  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (8.4 days).

Average snowfall in December
Oak Lea, MD

Average snowfall in December - Oak Lea, MD
  • Average snowfall in December: 1.14"

The month with the highest snowfall is March (3.03").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Oak Lea, MD

Average snowfall days in December - Oak Lea, MD
  • Average snowfall days in December: 2.9 days

The month with the highest number of snowfall days is February (4.6 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
Oak Lea, MD

Average daylight in December / Average sunshine in December - Oak Lea, 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 months with the least sunshine are January and February (Average sunshine: 5h and 6min).

Average sunshine days in December
Oak Lea, MD

Average sunshine days in December - Oak Lea, MD
  • Average sunshine days in December: 17.9 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11 days).

Average UV index in December
Oak Lea, MD

Average UV index in December - Oak Lea, 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, November and December (UV index 2).

Average cloud cover in December
Oak Lea, MD

Average cloud cover in December - Oak Lea, 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 29).

Average visibility in December
Oak Lea, MD

Average visibility in December - Oak Lea, 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).

Oak Lea, Maryland, USA

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