December weather forecast
Tanglewood, MD

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Weather in December

The first month of the winter, December, is still a chilly month in Tanglewood, Maryland, with an average temperature varying between 46°F (7.8°C) and 36.5°F (2.5°C).

Temperature

In Tanglewood, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's cool 54.5°F (12.5°C) to a chilly 46°F (7.8°C). During the nights in December, Tanglewood experiences a consistent average temperature of 36.5°F (2.5°C).

Humidity

In Tanglewood, the average relative humidity in December is 75%.

Rainfall

In December, the rain falls for 7.4 days. Throughout December, 0.67" (17mm) of precipitation is accumulated. In Tanglewood, during the entire year, the rain falls for 120.4 days and collects up to 10.47" (266mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Tanglewood, Maryland. In Tanglewood, during December, snow falls for 1.5 days and regularly aggregates up to 0.12" (3mm) of snow. Throughout the year, there are 8.3 snowfall days, and 1.22" (31mm) of snow is accumulated.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year in Tanglewood, Maryland.
On the first day of December, sunrise is at 7:06 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:53 pm EST.

Sunshine

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

UV index

The months with the lowest UV index in Tanglewood, Maryland, are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, an average UV index of 2 transforms into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Frequently asked questions

What is the average December temperature in Tanglewood?

The high-temperature, in December, in Tanglewood, records 46°F (7.8°C), while the low-temperature is 36.5°F (2.5°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 89.6°F (32°C).

What is the average humidity in December in Tanglewood?

In Tanglewood, Maryland, the average relative humidity in December is 75%.

How many days does it rain in December in Tanglewood?

In Tanglewood, during December, the rain falls for 7.4 days and regularly aggregates up to 0.67" (17mm) of precipitation.

How many days does it snow in December in Tanglewood?

In Tanglewood, Maryland, in December, during 1.5 snowfall days, 0.12" (3mm) of snow is typically accumulated.

What is the month with the shortest days in Tanglewood?

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 Tanglewood?

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

What time are sunrise and sunset in December in Tanglewood?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:43 pm. On the last day of the month, in Tanglewood, Maryland, sunrise is at 7:24 am and sunset at 4:53 pm EST.

How long on average sun shines in December in Tanglewood?

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

When is the lowest UV index in Tanglewood?

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

What is the UV index intensity in December in Tanglewood?

In Tanglewood, Maryland, 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 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
Tanglewood, MD

Average temperature in December - Tanglewood, MD
  • Average high temperature in December: 46°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 (40.3°F).

  • Average low temperature in December: 36.5°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

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Average pressure in December
Tanglewood, MD

Average pressure in December - Tanglewood, 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 (29.94"Hg).

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Average wind speed in December
Tanglewood, MD

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

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in December
Tanglewood, MD

Average humidity in December - Tanglewood, MD
  • Average humidity in December: 75%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

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Average rainfall in December
Tanglewood, MD

Average rainfall in December - Tanglewood, MD
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in December
Tanglewood, MD

Average rainfall days in December - Tanglewood, MD
  • Average rainfall days in December: 7.4 days

The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

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Average snowfall in December
Tanglewood, MD

Average snowfall in December - Tanglewood, MD
  • Average snowfall in December: 0.12"

The month with the highest snowfall is January (0.67").
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
Tanglewood, MD

Average snowfall days in December - Tanglewood, MD
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Tanglewood, MD

Average daylight in December / Average sunshine in December - Tanglewood, 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).

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Average sunshine days in December
Tanglewood, MD

Average sunshine days in December - Tanglewood, MD
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

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Average UV index in December
Tanglewood, MD

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

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Average cloud cover in December
Tanglewood, MD

Average cloud cover in December - Tanglewood, MD
  • Average cloud cover in December: 44

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

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Average visibility in December
Tanglewood, MD

Average visibility in December - Tanglewood, 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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Tanglewood, Maryland, USA

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