December weather forecast
Twin Oaks, MD

Share

Weather in December

December, the first month of the winter in Twin Oaks, is still a chilly month, with temperature in the range of an average high of 45.5°F (7.5°C) and an average low of 34.2°F (1.2°C).

Temperature

As December arrives, Twin Oaks's weather displays a minor decrease in high-temperatures, transitioning from November's fresh 53.4°F (11.9°C) to a chilly 45.5°F (7.5°C). December brings an average low-temperature of 34.2°F (1.2°C) to Twin Oaks.

Humidity

The average relative humidity in December in Twin Oaks is 76%.

Rainfall

In Twin Oaks, Maryland, during December, the rain falls for 10.1 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Twin Oaks, during the entire year, the rain falls for 156.3 days and collects up to 29.61" (752mm) of precipitation.

Snowfall

Months with snowfall in Twin Oaks are January through March, November and December. In Twin Oaks, in December, snow falls for 2.2 days, with typically accumulated 0.79" (20mm) of snow. Throughout the year, there are 12.8 snowfall days, and 6.77" (172mm) 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 in Twin Oaks, Maryland, 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

The average sunshine in December in Twin Oaks is 5.2h.

UV index

The months with the lowest UV index in Twin Oaks, Maryland, are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
[Resources]

Frequently asked questions

What are December temperatures in Twin Oaks?

In December, in Twin Oaks, the average high-temperature is 45.5°F (7.5°C), and the average low-temperature is 34.2°F (1.2°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is appraised at 91.4°F (33°C).

What is the average humidity in December in Twin Oaks?

The average relative humidity in December in Twin Oaks is 76%.

How many days does it rain in December in Twin Oaks?

In Twin Oaks, during December, the rain falls for 10.1 days and regularly aggregates up to 2.28" (58mm) of precipitation.

How much does it snow in Twin Oaks in December?

In Twin Oaks, Maryland, during December, snow falls for 2.2 days and regularly aggregates up to 0.79" (20mm) of snow.

What is the month with the shortest days in Twin Oaks?

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

How many hours of daylight does Twin Oaks have in December?

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

When are sunrise and sunset in December in Twin Oaks?

On the first day of December in Twin Oaks, 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 in Twin Oaks?

In Twin Oaks, Maryland, the average sunshine duration in December is 5.2h.

What are the months with the lowest UV index in Twin Oaks?

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

How high is the UV index in December in Twin Oaks?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk 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
Twin Oaks, MD

Average temperature in December - Twin Oaks, 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 (38.8°F).

  • Average low temperature in December: 34.2°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

[Resources]

Average pressure in December
Twin Oaks, MD

Average pressure in December - Twin Oaks, 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).

[Resources]

Average wind speed in December
Twin Oaks, MD

Average wind speed in December - Twin Oaks, MD
  • Average wind speed in December: 8.3mph

The windiest months (with the highest average wind speed) are February and March (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

[Resources]

Average humidity in December
Twin Oaks, MD

Average humidity in December - Twin Oaks, MD
  • Average humidity in December: 76%

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

[Resources]

Average rainfall in December
Twin Oaks, MD

Average rainfall in December - Twin Oaks, MD
  • Average rainfall in December: 2.28"

The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (1.77").

[Resources]

Average rainfall days in December
Twin Oaks, MD

Average rainfall days in December - Twin Oaks, MD
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (8.6 days).

[Resources]

Average snowfall in December
Twin Oaks, MD

Average snowfall in December - Twin Oaks, MD
  • Average snowfall in December: 0.79"

The month with the highest snowfall is January (2.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").

[Resources]

Average snowfall days in December
Twin Oaks, MD

Average snowfall days in December - Twin Oaks, MD
  • Average snowfall days in December: 2.2 days

The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
Twin Oaks, MD

Average daylight in December / Average sunshine in December - Twin Oaks, 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).

[Resources]

Average sunshine days in December
Twin Oaks, MD

Average sunshine days in December - Twin Oaks, MD
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (10.9 days).

[Resources]

Average UV index in December
Twin Oaks, MD

Average UV index in December - Twin Oaks, 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).

[Resources]

Average cloud cover in December
Twin Oaks, MD

Average cloud cover in December - Twin Oaks, MD
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

[Resources]

Average visibility in December
Twin Oaks, MD

Average visibility in December - Twin Oaks, 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).

[Resources]

Twin Oaks, Maryland, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location