December weather forecast
Solley, MD

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Weather in December

The first month of the winter, December, is also a frosty month in Solley, Maryland, with temperature in the range of an average high of 45.5°F (7.5°C) and an average low of 34.5°F (1.4°C).

Temperature

Solley's December weather features a light decline in high-temperatures, reducing from a fresh 53.6°F (12°C) in November to a chilly 45.5°F (7.5°C). Solley temperatures generally rest at a low of 34.5°F (1.4°C) during the December nights.

Humidity

The average relative humidity in December in Solley is 76%.

Rainfall

In Solley, Maryland, during December, the rain falls for 10.4 days and regularly aggregates up to 2.32" (59mm) of precipitation. Throughout the year, in Solley, Maryland, there are 157.2 rainfall days, and 30.47" (774mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Solley, during December, snow falls for 2.1 days and regularly aggregates up to 0.39" (10mm) of snow. Throughout the year, there are 11.9 snowfall days, and 5.75" (146mm) of snow is accumulated.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year in Solley.
On the first day of December in Solley, sunrise is at 7:07 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:53 pm EST.

Sunshine

The average sunshine in December in Solley, Maryland, is 5.2h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

What is the average December temperature in Solley?

During December, Solley experiences an average high-temperature of 45.5°F (7.5°C) and a low-temperature of 34.5°F (1.4°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in August is computed to be 91.4°F (33°C).

What is the average humidity in December in Solley?

The average relative humidity in December is 76%.

How many days does it rain in December in Solley?

In Solley, Maryland, during December, the rain falls for 10.4 days and regularly aggregates up to 2.32" (59mm) of precipitation.

How much does it snow in Solley in December?

In Solley, in December, during 2.1 snowfall days, 0.39" (10mm) of snow is typically accumulated.

What is the month with the shortest days in Solley?

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

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

The average day length in December in Solley, Maryland, is 9h and 28min.

When are sunrise and sunset in December in Solley?

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 4:43 pm. On the last day of the month, in Solley, sunrise is at 7:25 am and sunset at 4:53 pm EST.

How long on average sun shines in December in Solley?

The average sunshine duration in December in Solley, Maryland, is 5.2h.

What are the months with the lowest UV index in Solley?

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

What is the UV index intensity in December in Solley?

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

Average temperature in December - Solley, MD
  • Average high temperature in December: 45.5°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 34.5°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

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Average pressure in December
Solley, MD

Average pressure in December - Solley, 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).

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Average wind speed in December
Solley, MD

Average wind speed in December - Solley, MD
  • Average wind speed in December: 8.5mph

The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in December
Solley, MD

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

The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are March, April and July (72%).

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Average rainfall in December
Solley, MD

Average rainfall in December - Solley, MD
  • Average rainfall in December: 2.32"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.81").

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Average rainfall days in December
Solley, MD

Average rainfall days in December - Solley, MD
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (18 days).
The months with the least rainy days are January and November (8.4 days).

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Average snowfall in December
Solley, MD

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

The month with the highest snowfall is January (2.09").
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
Solley, MD

Average snowfall days in December - Solley, MD
  • Average snowfall days in December: 2.1 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

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

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Average sunshine days in December
Solley, MD

Average sunshine days in December - Solley, MD
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is November (19.9 days).
The months with the least sunshine days are May and July (10.8 days).

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Average UV index in December
Solley, MD

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

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Average cloud cover in December
Solley, MD

Average cloud cover in December - Solley, 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).

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Average visibility in December
Solley, MD

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

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