December weather forecast
Trevor Woods, MD

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Weather in December

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

Temperature

A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a cool 53.6°F (12°C) to a frosty 45.5°F (7.5°C). During December, an average low-temperature of 34.5°F (1.4°C) is observed.

Humidity

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

Rainfall

In Trevor Woods, during December, the rain falls for 10.4 days and regularly aggregates up to 2.32" (59mm) of precipitation. Throughout the year, there are 157.2 rainfall days, and 30.47" (774mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in Trevor Woods. In December, it is snowing for 2.1 days. Throughout December, 0.39" (10mm) of snow is accumulated. Throughout the year, there are 11.9 snowfall days, and 5.75" (146mm) of snow is accumulated.

Daylight

December has the shortest days of the year, 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 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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In December, a regular UV index of 2 translates into these guidelines:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures in Trevor Woods?

An average high-temperature, in December, in Trevor Woods, is 45.5°F (7.5°C) and the average low-temperature is 34.5°F (1.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 91.4°F (33°C).

What is the average humidity in December in Trevor Woods?

In December, the average relative humidity is 76%.

How much does it rain in December?

In Trevor Woods, in December, during 10.4 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

How many days does it snow in December?

In December, in Trevor Woods, it is snowing for 2.1 days. Throughout December, 0.39" (10mm) of snow is accumulated.

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 Trevor Woods have in December?

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

When is the sunrise / sunset in December?

On the first day of December, 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.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In Trevor Woods, the average daily maximum UV index in December is 2. A UV Index reading 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Trevor Woods, Maryland, USA

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