December weather forecast
Wittman, MD

Weather in December

December, the first month of the winter in Wittman, is still a chilly month, with an average temperature ranging between max 46.2°F (7.9°C) and min 36.5°F (2.5°C).

Temperature

In Wittman, the average high-temperature in December slightly decreases from a fresh 54.5°F (12.5°C) in November to a frosty 46.2°F (7.9°C). In December, the average low-temperature is 36.5°F (2.5°C).

Humidity

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

Rainfall

In Wittman, during December, the rain falls for 11.2 days and regularly aggregates up to 2.95" (75mm) of precipitation. Throughout the year, in Wittman, there are 157.2 rainfall days, and 33.27" (845mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Wittman, Maryland, during December, snow falls for 1.6 days and regularly aggregates up to 0.67" (17mm) of snow. Throughout the year, in Wittman, there are 9.8 snowfall days, and 3.82" (97mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 31min of daylight.
On the first day of the month, sunrise is at 7:04 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:53 pm EST.

Sunshine

The months with the least sunshine in Wittman are February and December, with an average of 5.2h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Wittman?

In Wittman, Maryland, in December, the average high-temperature is 46.2°F (7.9°C), and the average low-temperature is 36.5°F (2.5°C). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in August is evaluated at 89.6°F (32°C).

What is the average humidity in December in Wittman?

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

How many days does it rain in December in Wittman?

In Wittman, in December, it is raining for 11.2 days, with typically 2.95" (75mm) of accumulated precipitation.

How many days does it snow in December in Wittman?

In December, in Wittman, Maryland, it is snowing for 1.6 days. Throughout December, 0.67" (17mm) of snow is accumulated.

What is the month with the shortest days in Wittman?

December has the shortest days of the year, with an average of 9h and 31min of daylight.

How many hours of daylight does Wittman have in December?

In Wittman, the average day length in December is 9h and 31min.

When is the sunrise / sunset in December in Wittman?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 4:43 pm. On the last day of the month, in Wittman, sunrise is at 7:23 am and sunset at 4:53 pm EST.

What are the months with the least sunshine in Wittman?

The months with the least sunshine are February and December, with an average of 5.2h of sunshine.

How many hours of sunshine does Wittman have in December?

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

What is the month with the lowest UV index in Wittman?

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

How high is the UV index in December in Wittman?

In Wittman, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Wittman, MD

Average temperature in December - Wittman, MD
  • Average high temperature in December: 46.2°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (40.5°F).

  • Average low temperature in December: 36.5°F

The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (30°F).

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Average pressure in December
Wittman, MD

Average pressure in December - Wittman, 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
Wittman, MD

Average wind speed in December - Wittman, MD
  • Average wind speed in December: 9.2mph

The windiest months (with the highest average wind speed) are February and March (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in December
Wittman, MD

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

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (73%).

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Average rainfall in December
Wittman, MD

Average rainfall in December - Wittman, MD
  • Average rainfall in December: 2.95"

The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is January (1.93").

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Average rainfall days in December
Wittman, MD

Average rainfall days in December - Wittman, MD
  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is May (17.2 days).
The months with the least rainy days are January and November (8.8 days).

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Average snowfall in December
Wittman, MD

Average snowfall in December - Wittman, MD
  • Average snowfall in December: 0.67"

The month with the highest snowfall is March (1.22").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Wittman, MD

Average snowfall days in December - Wittman, MD
  • Average snowfall days in December: 1.6 days

The month with the highest number of snowfall days is January (3.2 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
Wittman, MD

Average daylight in December / Average sunshine in December - Wittman, MD
  • Average daylight in December: 9h and 31min

The month with the longest days is June (Average daylight: 14h and 50min).
The month with the shortest days is December (Average daylight: 9h and 31min).

  • Average sunshine in December: 5h and 12min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).

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Average sunshine days in December
Wittman, MD

Average sunshine days in December - Wittman, MD
  • Average sunshine days in December: 17.7 days

The month with the most sunshine days is November (19.7 days).
The months with the least sunshine days are May and August (11.8 days).

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Average UV index in December
Wittman, MD

Average UV index in December - Wittman, 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).

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Average cloud cover in December
Wittman, MD

Average cloud cover in December - Wittman, MD
  • Average cloud cover in December: 43

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in December
Wittman, MD

Average visibility in December - Wittman, 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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