December weather forecast
Wheaton Woods, MD

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Weather in December

December, the first month of the winter in Wheaton Woods, is still a chilly month, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 45.3°F (7.4°C).

Temperature

December ushers in a minor alteration in Wheaton Woods's climate, with the average high-temperature moving from November's fresh 53.4°F (11.9°C) to a chilly 45.3°F (7.4°C). In the month of December, the average low-temperature usually rests at a cold 32.9°F (0.5°C).

Humidity

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

Rainfall

In Wheaton Woods, in December, during 10.2 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. Throughout the year, there are 160.9 rainfall days, and 32.99" (838mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Wheaton Woods, in December, during 2.9 snowfall days, 1.38" (35mm) of snow is typically accumulated. In Wheaton Woods, during the entire year, snow falls for 17.1 days and aggregates up to 10.2" (259mm) of snow.

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 7:09 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:56 pm EST.

Sunshine

In Wheaton Woods, the average sunshine in December is 5.1h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

In Wheaton Woods, 45.3°F (7.4°C) is the average high-temperature and 32.9°F (0.5°C) is the average low-temperature during December. In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is appraised at 93.2°F (34°C).

What is the most humid month in Wheaton Woods?

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?

The average relative humidity in December is 76%.

How much does it rain in December?

In Wheaton Woods, in December, during 10.2 rainfall days, 2.76" (70mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, it is snowing for 2.9 days. Throughout December, 1.38" (35mm) of snow is accumulated.

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.

What is the average length of the day in December?

In Wheaton Woods, the average day length in December is 9h and 29min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:56 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 5.1h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In Wheaton Woods, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Wheaton Woods, MD

Average temperature in December - Wheaton Woods, MD
  • Average high temperature in December: 45.3°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in December: 32.9°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in December
Wheaton Woods, MD

Average pressure in December - Wheaton Woods, 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
Wheaton Woods, MD

Average wind speed in December - Wheaton Woods, MD
  • Average wind speed in December: 7.1mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
Wheaton Woods, MD

Average humidity in December - Wheaton Woods, MD
  • Average humidity in December: 76%

The months with the highest relative humidity are May, October and December (76%).
The month with the lowest relative humidity is July (70%).

Average rainfall in December
Wheaton Woods, MD

Average rainfall in December - Wheaton Woods, MD
  • Average rainfall in December: 2.76"

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.17").

Average rainfall days in December
Wheaton Woods, MD

Average rainfall days in December - Wheaton Woods, MD
  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in December
Wheaton Woods, MD

Average snowfall in December - Wheaton Woods, MD
  • Average snowfall in December: 1.38"

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

Average snowfall days in December
Wheaton Woods, MD

Average snowfall days in December - Wheaton Woods, MD
  • Average snowfall days in December: 2.9 days

The months with the highest number of snowfall days are January and February (5.1 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
Wheaton Woods, MD

Average daylight in December / Average sunshine in December - Wheaton Woods, 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 month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in December
Wheaton Woods, MD

Average sunshine days in December - Wheaton Woods, MD
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is November (19.4 days).
The months with the least sunshine days are May and July (11 days).

Average UV index in December
Wheaton Woods, MD

Average UV index in December - Wheaton Woods, 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, November and December (UV index 2).

Average cloud cover in December
Wheaton Woods, MD

Average cloud cover in December - Wheaton Woods, MD
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Wheaton Woods, MD

Average visibility in December - Wheaton Woods, 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).

Wheaton Woods, Maryland, USA

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