December weather forecast
Timberview, MD

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Weather in December

December, the first month of the winter in Timberview, is still a chilly month, with an average temperature varying between 33.3°F (0.7°C) and 45.3°F (7.4°C).

Temperature

In Timberview, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's cool 53.4°F (11.9°C) to a chilly 45.3°F (7.4°C). December nights observe an average temperature dip to an icy 33.3°F (0.7°C).

Humidity

In December, the average relative humidity is 76%.

Rainfall

In Timberview, in December, during 10.3 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Timberview, during the entire year, the rain falls for 158.5 days and collects up to 30.12" (765mm) of precipitation.

Snowfall

Months with snowfall in Timberview are January through March, November and December. In Timberview, in December, snow falls for 2.2 days, with typically accumulated 0.75" (19mm) of snow. In Timberview, during the entire year, snow falls for 13.6 days and aggregates up to 6.54" (166mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:08 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:54 pm EST.

Sunshine

In Timberview, the average sunshine in December is 5.2h.

UV index

January, February, 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 exposure to the Sun's UV rays for the average person.
Note: In December, the UV index of 2 transforms into the following advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

The high-temperature, in December, in Timberview, records 45.3°F (7.4°C), while the low-temperature is 33.3°F (0.7°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is appraised at 91.4°F (33°C).

What is the average humidity in December?

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

How many days does it rain in December?

In December, the rain falls for 10.3 days. Throughout December, 2.2" (56mm) of precipitation is accumulated.

How much does it snow in December?

In Timberview, in December, during 2.2 snowfall days, 0.75" (19mm) of snow is typically 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 in Timberview.

How many hours of daylight does Timberview have in December?

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

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:08 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:54 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 5.2h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

In Timberview, the average daily maximum UV index in December is 2. A UV Index estimate 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
Timberview, MD

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

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 33.3°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in December
Timberview, MD

Average pressure in December - Timberview, 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
Timberview, MD

Average wind speed in December - Timberview, MD
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in December
Timberview, MD

Average humidity in December - Timberview, MD
  • Average humidity in December: 76%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is July (71%).

Average rainfall in December
Timberview, MD

Average rainfall in December - Timberview, MD
  • Average rainfall in December: 2.2"

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
Timberview, MD

Average rainfall days in December - Timberview, MD
  • Average rainfall days in December: 10.3 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.6 days).

Average snowfall in December
Timberview, MD

Average snowfall in December - Timberview, MD
  • Average snowfall in December: 0.75"

The month with the highest snowfall is January (2.13").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Timberview, MD

Average snowfall days in December - Timberview, MD
  • Average snowfall days in December: 2.2 days

The month with the highest number of snowfall days is February (4.3 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
Timberview, MD

Average daylight in December / Average sunshine in December - Timberview, 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
Timberview, MD

Average sunshine days in December - Timberview, MD
  • Average sunshine days in December: 18.2 days

The month with the most sunshine days is November (19.8 days).
The months with the least sunshine days are May and July (10.9 days).

Average UV index in December
Timberview, MD

Average UV index in December - Timberview, 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).

Average cloud cover in December
Timberview, MD

Average cloud cover in December - Timberview, 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
Timberview, MD

Average visibility in December - Timberview, 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).

Timberview, Maryland, USA

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