December weather forecast
Trevor Woods, MD

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Weather in December

The first month of the winter, December, is also a frosty month in Trevor Woods, Maryland, with an average temperature varying between 34.5°F (1.4°C) and 45.5°F (7.5°C).

Temperature

The arrival of December correlates with a minor temperature reduction, down from November's cool 53.6°F (12°C) to a frosty 45.5°F (7.5°C). Throughout December, the average low-temperature in Trevor Woods dips to an icy 34.5°F (1.4°C).

Humidity

The average relative humidity in December is 76%.

Rainfall

In Trevor Woods, Maryland, in December, it is raining for 10.4 days, with typically 2.32" (59mm) of accumulated precipitation. In Trevor Woods, during the entire year, the rain falls for 157.2 days and collects up to 30.47" (774mm) of precipitation.

Snowfall

Months with snowfall in Trevor Woods, Maryland, are January through March, November and December. In Trevor Woods, in December, during 2.1 snowfall days, 0.39" (10mm) of snow is typically accumulated. Throughout the year, there are 11.9 snowfall days, and 5.75" (146mm) 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 4:44 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:53 pm EST.

Sunshine

The average sunshine in December in Trevor Woods is 5.2h.

UV index

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

What are the temperatures in Trevor Woods in December?

During December, Trevor Woods experiences an average high-temperature of 45.5°F (7.5°C) and a low-temperature of 34.5°F (1.4°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 91.4°F (33°C).

What is the average humidity in December in Trevor Woods?

In December, the average relative humidity in Trevor Woods, Maryland, is 76%.

How much does it rain in Trevor Woods in December?

In Trevor Woods, Maryland, in December, it is raining for 10.4 days, with typically 2.32" (59mm) of accumulated precipitation.

How much does it snow in Trevor Woods in December?

In Trevor Woods, in December, snow falls for 2.1 days, with typically accumulated 0.39" (10mm) of snow.

What is the month with the shortest days in Trevor Woods?

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

How many hours of daylight does Trevor Woods have in December?

In Trevor Woods, the average day length in December is 9h and 28min.

What time are sunrise and sunset in December in Trevor Woods?

On the first day of December in Trevor Woods, 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.

How many hours of sunshine does Trevor Woods have in December?

In Trevor Woods, the average sunshine duration in December is 5.2h.

When is the lowest UV index in Trevor Woods?

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

What is the UV index intensity in December in Trevor Woods?

In December, the average daily maximum UV index in Trevor Woods is 2. A UV Index reading of 2, and below, represents a low health risk from 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
Trevor Woods, MD

Average temperature in December - Trevor Woods, MD
  • Average high temperature in December: 45.5°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 34.5°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

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Average pressure in December
Trevor Woods, MD

Average pressure in December - Trevor 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 (29.94"Hg).

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Average wind speed in December
Trevor Woods, MD

Average wind speed in December - Trevor Woods, MD
  • Average wind speed in December: 8.5mph

The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in December
Trevor Woods, MD

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

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

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Average rainfall in December
Trevor Woods, MD

Average rainfall in December - Trevor Woods, MD
  • Average rainfall in December: 2.32"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.81").

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Average rainfall days in December
Trevor Woods, MD

Average rainfall days in December - Trevor Woods, MD
  • Average rainfall days in December: 10.4 days

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

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Average snowfall in December
Trevor Woods, MD

Average snowfall in December - Trevor Woods, MD
  • Average snowfall in December: 0.39"

The month with the highest snowfall is January (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Trevor Woods, MD

Average snowfall days in December - Trevor Woods, MD
  • Average snowfall days in December: 2.1 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Trevor Woods, MD

Average daylight in December / Average sunshine in December - Trevor 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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in December
Trevor Woods, MD

Average sunshine days in December - Trevor Woods, MD
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is November (19.9 days).
The months with the least sunshine days are May and July (10.8 days).

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Average UV index in December
Trevor Woods, MD

Average UV index in December - Trevor 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).

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Average cloud cover in December
Trevor Woods, MD

Average cloud cover in December - Trevor Woods, 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).

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Average visibility in December
Trevor Woods, MD

Average visibility in December - Trevor Woods, 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).

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Trevor Woods, Maryland, USA

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