December weather forecast
Banner Country, MD

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Weather in December

The first month of the winter, December, is still a chilly month in Banner Country, Maryland, with an average temperature ranging between max 43.5°F (6.4°C) and min 31.1°F (-0.5°C).

Temperature

The beginning of December brings a slight decrease in the average high-temperature, transitioning from a fresh 52.3°F (11.3°C) in November to a frosty 43.5°F (6.4°C). An average low-temperature of 31.1°F (-0.5°C) is common during the nights of December.

Humidity

The average relative humidity in December in Banner Country is 78%.

Rainfall

In Banner Country, Maryland, in December, it is raining for 10.4 days, with typically 2.24" (57mm) of accumulated precipitation. Throughout the year, there are 158.7 rainfall days, and 30.91" (785mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Banner Country, Maryland. In December, it is snowing for 3.5 days. Throughout December, 2.01" (51mm) of snow is accumulated. Throughout the year, in Banner Country, Maryland, there are 21.3 snowfall days, and 13.31" (338mm) of snow is accumulated.

Daylight

The month with the shortest days in Banner Country is December, with an average of 9h and 30min of daylight.
On the first day of December in Banner Country, Maryland, sunrise is at 7:09 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:56 pm EST.

Sunshine

In Banner Country, the average sunshine in December is 5.1h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

How cold is December in Banner Country?

In Banner Country, in December, the average high-temperature is 43.5°F (6.4°C), and the average low-temperature is 31.1°F (-0.5°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 89.6°F (32°C).

What is the average humidity in December in Banner Country?

The average relative humidity in December in Banner Country is 78%.

How many days does it rain in December in Banner Country?

In Banner Country, Maryland, in December, it is raining for 10.4 days, with typically 2.24" (57mm) of accumulated precipitation.

How many days does it snow in December in Banner Country?

In December, it is snowing for 3.5 days. Throughout December, 2.01" (51mm) of snow is accumulated.

What is the month with the shortest days in Banner Country?

December has the shortest days of the year in Banner Country, Maryland, with an average of 9h and 30min of daylight.

What is the average length of the day in December in Banner Country?

In Banner Country, Maryland, the average day length in December is 9h and 28min.

When are sunrise and sunset in December in Banner Country?

On the first day of December in Banner Country, Maryland, sunrise is at 7:09 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:56 pm EST.

How many hours of sunshine does Banner Country have in December?

In Banner Country, Maryland, the average sunshine duration in December is 5.1h.

What is the month with the lowest UV index in Banner Country?

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

What is the UV index reading in December in Banner Country?

The average daily maximum UV index in December in Banner Country is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to 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
Banner Country, MD

Average temperature in December - Banner Country, MD
  • Average high temperature in December: 43.5°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in December: 31.1°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

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Average pressure in December
Banner Country, MD

Average pressure in December - Banner Country, 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 (29.95"Hg).

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Average wind speed in December
Banner Country, MD

Average wind speed in December - Banner Country, MD
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in December
Banner Country, MD

Average humidity in December - Banner Country, MD
  • Average humidity in December: 78%

The months with the highest relative humidity are May and October (79%).
The months with the lowest relative humidity are April and July (74%).

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Average rainfall in December
Banner Country, MD

Average rainfall in December - Banner Country, MD
  • Average rainfall in December: 2.24"

The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.93").

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Average rainfall days in December
Banner Country, MD

Average rainfall days in December - Banner Country, MD
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in December
Banner Country, MD

Average snowfall in December - Banner Country, MD
  • Average snowfall in December: 2.01"

The month with the highest snowfall is March (4.09").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Banner Country, MD

Average snowfall days in December - Banner Country, MD
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Banner Country, MD

Average daylight in December / Average sunshine in December - Banner Country, 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: 4h and 54min).

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Average sunshine days in December
Banner Country, MD

Average sunshine days in December - Banner Country, MD
  • Average sunshine days in December: 17.6 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in December
Banner Country, MD

Average UV index in December - Banner Country, 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).

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Average cloud cover in December
Banner Country, MD

Average cloud cover in December - Banner Country, MD
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in December
Banner Country, MD

Average visibility in December - Banner Country, MD
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

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Banner Country, Maryland, USA

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