December weather forecast
Sylvan Shores, MD

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Weather in December

December, the first month of the winter in Sylvan Shores, is also a frosty month, with temperature in the range of an average high of 46°F (7.8°C) and an average low of 36.5°F (2.5°C).

Temperature

December reveals a small adjustment in temperature, transitioning from an average high of a fresh 54.5°F (12.5°C) in November to a chilly 46°F (7.8°C). In Sylvan Shores, December nights cool down to an average of 36.5°F (2.5°C).

Humidity

In December, the average relative humidity is 75%.

Rainfall

In December, in Sylvan Shores, the rain falls for 7.4 days. Throughout December, 0.67" (17mm) of precipitation is accumulated. Throughout the year, in Sylvan Shores, there are 120.4 rainfall days, and 10.47" (266mm) of precipitation is accumulated.

Snowfall

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

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:06 am and sunset at 4:44 pm. On the last day of December, in Sylvan Shores, sunrise is at 7:24 am and sunset at 4:54 pm EST.

Sunshine

The average sunshine in December in Sylvan Shores is 5.2h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the UV index of 2 transforms into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Frequently asked questions

What is the temperature in December in Sylvan Shores?

An average high-temperature, in December, in Sylvan Shores, is 46°F (7.8°C) and the average low-temperature is 36.5°F (2.5°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 89.6°F (32°C).

What is the average humidity in December in Sylvan Shores?

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

How many days does it rain in December in Sylvan Shores?

In Sylvan Shores, Maryland, in December, it is raining for 7.4 days, with typically 0.67" (17mm) of accumulated precipitation.

How much does it snow in Sylvan Shores in December?

In Sylvan Shores, in December, snow falls for 1.5 days, with typically accumulated 0.12" (3mm) of snow.

What is the month with the shortest days in Sylvan Shores?

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

How many hours of daylight does Sylvan Shores have in December?

In Sylvan Shores, Maryland, the average day length in December is 9h and 29min.

What time are sunrise and sunset in December in Sylvan Shores?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:54 pm EST.

How long on average sun shines in December in Sylvan Shores?

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

What is the month with the lowest UV index in Sylvan Shores?

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

How high is the UV index in December in Sylvan Shores?

In Sylvan Shores, Maryland, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Sylvan Shores, MD

Average temperature in December - Sylvan Shores, 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
Sylvan Shores, MD

Average pressure in December - Sylvan Shores, 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
Sylvan Shores, MD

Average wind speed in December - Sylvan Shores, 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
Sylvan Shores, MD

Average humidity in December - Sylvan Shores, 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
Sylvan Shores, MD

Average rainfall in December - Sylvan Shores, 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
Sylvan Shores, MD

Average rainfall days in December - Sylvan Shores, 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
Sylvan Shores, MD

Average snowfall in December - Sylvan Shores, 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
Sylvan Shores, MD

Average snowfall days in December - Sylvan Shores, 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
Sylvan Shores, MD

Average daylight in December / Average sunshine in December - Sylvan Shores, 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
Sylvan Shores, MD

Average sunshine days in December - Sylvan Shores, 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
Sylvan Shores, MD

Average UV index in December - Sylvan Shores, 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
Sylvan Shores, MD

Average cloud cover in December - Sylvan Shores, 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
Sylvan Shores, MD

Average visibility in December - Sylvan Shores, 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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Sylvan Shores, Maryland, USA

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