December weather forecast
Tall Timbers, MD

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Weather in December

December, the first month of the winter in Tall Timbers, is also a frosty month, with an average temperature fluctuating between 47.3°F (8.5°C) and 38.1°F (3.4°C).

Temperature

Tall Timbers in December experiences a gentle temperature dip, with average high-temperatures reducing from a fresh 55°F (12.8°C) in November to a chilly 47.3°F (8.5°C). Tall Timbers experiences an average nighttime temperature of 38.1°F (3.4°C) in the month of December.

Humidity

The average relative humidity in December is 76%.

Rainfall

In Tall Timbers, in December, during 8.8 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, there are 147.5 rainfall days, and 20.16" (512mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Tall Timbers, in December, during 0.8 snowfall days, 0.24" (6mm) of snow is typically accumulated. In Tall Timbers, during the entire year, snow falls for 6 days and aggregates up to 1.42" (36mm) of snow.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:04 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:56 pm EST.

Sunshine

The average sunshine in December in Tall Timbers is 5.3h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.
Note: In December, an average UV index of 2 transforms into the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

An average high-temperature, in December, in Tall Timbers, is 47.3°F (8.5°C) and the average low-temperature is 38.1°F (3.4°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in August is appraised at 89.6°F (32°C).

What is the average humidity in December?

In Tall Timbers, the average relative humidity in December is 76%.

How much does it rain in December?

In Tall Timbers, during December, the rain falls for 8.8 days and regularly aggregates up to 1.14" (29mm) of precipitation.

How much does it snow in December?

In Tall Timbers, in December, snow falls for 0.8 days, with typically accumulated 0.24" (6mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 36min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 34min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:56 pm EST.

How many hours of sunshine does Tall Timbers have in December?

In Tall Timbers, the average sunshine duration in December is 5.3h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat 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
Tall Timbers, MD

Average temperature in December - Tall Timbers, MD
  • Average high temperature in December: 47.3°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in December: 38.1°F

The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).

Average pressure in December
Tall Timbers, MD

Average pressure in December - Tall Timbers, MD
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
Tall Timbers, MD

Average wind speed in December - Tall Timbers, MD
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

Average humidity in December
Tall Timbers, MD

Average humidity in December - Tall Timbers, MD
  • Average humidity in December: 76%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January and November (73%).

Average rainfall in December
Tall Timbers, MD

Average rainfall in December - Tall Timbers, MD
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is July (2.95").
The driest month (with the least rainfall) is January (0.98").

Average rainfall days in December
Tall Timbers, MD

Average rainfall days in December - Tall Timbers, MD
  • Average rainfall days in December: 8.8 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (7.4 days).

Average snowfall in December
Tall Timbers, MD

Average snowfall in December - Tall Timbers, MD
  • Average snowfall in December: 0.24"

The month with the highest snowfall is January (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Tall Timbers, MD

Average snowfall days in December - Tall Timbers, MD
  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is February (2.3 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
Tall Timbers, MD

Average daylight in December / Average sunshine in December - Tall Timbers, MD
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 5h and 2min

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 12min).

Average sunshine days in December
Tall Timbers, MD

Average sunshine days in December - Tall Timbers, MD
  • Average sunshine days in December: 20.4 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is August (11.3 days).

Average UV index in December
Tall Timbers, MD

Average UV index in December - Tall Timbers, 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 and December (UV index 2).

Average cloud cover in December
Tall Timbers, MD

Average cloud cover in December - Tall Timbers, MD
  • Average cloud cover in December: 42

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in December
Tall Timbers, MD

Average visibility in December - Tall Timbers, 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).

Tall Timbers, Maryland, USA

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