December weather forecast
Ruthsburg, MD

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Weather in December

The first month of the winter, December, is still a chilly month in Ruthsburg, Maryland, with temperature in the range of an average low of 34.9°F (1.6°C) and an average high of 46°F (7.8°C).

Temperature

December ushers in a minor alteration in Ruthsburg's climate, with the average high-temperature moving from November's cool 54.5°F (12.5°C) to a frosty 46°F (7.8°C). Ruthsburg reports an average low-temperature of 34.9°F (1.6°C) during the nights of December.

Humidity

The average relative humidity in December is 76%.

Rainfall

In Ruthsburg, during December, the rain falls for 10.1 days and regularly aggregates up to 2.48" (63mm) of precipitation. Throughout the year, in Ruthsburg, Maryland, there are 154.8 rainfall days, and 30.59" (777mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In December, in Ruthsburg, Maryland, it is snowing for 1.1 days. Throughout December, 0.39" (10mm) of snow is accumulated. In Ruthsburg, during the entire year, snow falls for 9.5 days and aggregates up to 4.88" (124mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:04 am and sunset at 4:41 pm. On the last day of December, in Ruthsburg, sunrise is at 7:22 am and sunset at 4:51 pm EST.

Sunshine

In December, the average sunshine in Ruthsburg, Maryland, is 5.1h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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Frequently asked questions

What is the temperature in December in Ruthsburg?

The high-temperature in Ruthsburg during December is 46°F (7.8°C) and the low-temperature is 34.9°F (1.6°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 89.6°F (32°C).

What is the average humidity in December in Ruthsburg?

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

How many days does it rain in December in Ruthsburg?

In Ruthsburg, Maryland, in December, it is raining for 10.1 days, with typically 2.48" (63mm) of accumulated precipitation.

How many days does it snow in December in Ruthsburg?

In December, it is snowing for 1.1 days. Throughout December, 0.39" (10mm) of snow is accumulated.

What is the month with the shortest days in Ruthsburg?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Ruthsburg, Maryland.

What is the average length of the day in December in Ruthsburg?

The average day length in December in Ruthsburg, Maryland, is 9h and 29min.

When are sunrise and sunset in December in Ruthsburg?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 4:41 pm. On the last day of the month, in Ruthsburg, Maryland, sunrise is at 7:22 am and sunset at 4:51 pm EST.

How long on average sun shines in December in Ruthsburg?

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

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

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

What is the UV index reading in December in Ruthsburg?

The average daily maximum UV index in December in Ruthsburg is 2. A UV Index of 2, and less, symbolizes 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
Ruthsburg, MD

Average temperature in December - Ruthsburg, MD
  • Average high temperature in December: 46°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 (39.9°F).

  • Average low temperature in December: 34.9°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

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Average pressure in December
Ruthsburg, MD

Average pressure in December - Ruthsburg, 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
Ruthsburg, MD

Average wind speed in December - Ruthsburg, MD
  • Average wind speed in December: 8.8mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in December
Ruthsburg, MD

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

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

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Average rainfall in December
Ruthsburg, MD

Average rainfall in December - Ruthsburg, MD
  • Average rainfall in December: 2.48"

The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (1.73").

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Average rainfall days in December
Ruthsburg, MD

Average rainfall days in December - Ruthsburg, MD
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (8.2 days).

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Average snowfall in December
Ruthsburg, MD

Average snowfall in December - Ruthsburg, MD
  • Average snowfall in December: 0.39"

The month with the highest snowfall is January (1.65").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Ruthsburg, MD

Average snowfall days in December - Ruthsburg, MD
  • Average snowfall days in December: 1.1 days

The month with the highest number of snowfall days is January (3.3 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
Ruthsburg, MD

Average daylight in December / Average sunshine in December - Ruthsburg, 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 42min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in December
Ruthsburg, MD

Average sunshine days in December - Ruthsburg, MD
  • Average sunshine days in December: 19.1 days

The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (10.6 days).

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Average UV index in December
Ruthsburg, MD

Average UV index in December - Ruthsburg, 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
Ruthsburg, MD

Average cloud cover in December - Ruthsburg, MD
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in December
Ruthsburg, MD

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

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