December weather forecast
Sykesville, MD

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Weather in December

December, the first month of the winter in Sykesville, is still a chilly month, with an average temperature fluctuating between 43.2°F (6.2°C) and 31.3°F (-0.4°C).

Temperature

The beginning of December brings a minor change in the average high-temperature, shifting from a cool 52.2°F (11.2°C) in November to a chilly 43.2°F (6.2°C). Throughout December, Sykesville witnesses a nighttime temperature average of 31.3°F (-0.4°C).

Humidity

In December, the average relative humidity is 78%.

Rainfall

In December, the rain falls for 9.1 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. Throughout the year, in Sykesville, Maryland, there are 130.3 rainfall days, and 15.47" (393mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In December, it is snowing for 2.5 days. Throughout December, 0.47" (12mm) of snow is accumulated. Throughout the year, there are 16 snowfall days, and 4.13" (105mm) of snow is accumulated.

Daylight

The month with the shortest days in Sykesville is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:09 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:54 pm EST.

Sunshine

In Sykesville, the average sunshine in December is 5h.

UV index

The months with the lowest UV index in Sykesville 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 the ordinary person.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

How cold does it get in Sykesville in December?

In Sykesville, 43.2°F (6.2°C) is the average high-temperature and 31.3°F (-0.4°C) is the average low-temperature during December. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is estimated at 89.6°F (32°C).

What is the average humidity in December in Sykesville?

The average relative humidity in December is 78%.

How many days does it rain in December in Sykesville?

In Sykesville, Maryland, in December, during 9.1 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

How much does it snow in Sykesville in December?

In Sykesville, in December, snow falls for 2.5 days, with typically accumulated 0.47" (12mm) of snow.

What is the month with the shortest days in Sykesville?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

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

In Sykesville, the average day length in December is 9h and 27min.

What time are sunrise and sunset in December in Sykesville?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:44 pm. On the last day of the month, in Sykesville, sunrise is at 7:27 am and sunset at 4:54 pm EST.

How long on average sun shines in December in Sykesville?

In Sykesville, the average sunshine duration in December is 5h.

When is the lowest UV index in Sykesville?

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

What is the UV index reading in December in Sykesville?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Sykesville, MD

Average temperature in December - Sykesville, MD
  • Average high temperature in December: 43.2°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 (37.6°F).

  • Average low temperature in December: 31.3°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 (25°F).

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Average pressure in December
Sykesville, MD

Average pressure in December - Sykesville, 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
Sykesville, MD

Average wind speed in December - Sykesville, MD
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in December
Sykesville, MD

Average humidity in December - Sykesville, MD
  • Average humidity in December: 78%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, April, July and November (75%).

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Average rainfall in December
Sykesville, MD

Average rainfall in December - Sykesville, MD
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is February (0.79").

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Average rainfall days in December
Sykesville, MD

Average rainfall days in December - Sykesville, MD
  • Average rainfall days in December: 9.1 days

The month with the highest number of rainy days is August (15.1 days).
The months with the least rainy days are January and February (6.8 days).

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Average snowfall in December
Sykesville, MD

Average snowfall in December - Sykesville, MD
  • Average snowfall in December: 0.47"

The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Sykesville, MD

Average snowfall days in December - Sykesville, MD
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is February (4.9 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
Sykesville, MD

Average daylight in December / Average sunshine in December - Sykesville, MD
  • Average daylight in December: 9h and 2min

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 24min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in December
Sykesville, MD

Average sunshine days in December - Sykesville, MD
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is May (12.9 days).

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Average UV index in December
Sykesville, MD

Average UV index in December - Sykesville, 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
Sykesville, MD

Average cloud cover in December - Sykesville, MD
  • Average cloud cover in December: 46

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in December
Sykesville, MD

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

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