December weather forecast
Cypress Creek, MD

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Weather in December

The first month of the winter, December, is still a chilly month in Cypress Creek, Maryland, with an average temperature varying between 45.5°F (7.5°C) and 34.7°F (1.5°C).

Temperature

In Cypress Creek, the average high-temperature in December gently drops from a cool 53.8°F (12.1°C) in November to a chilly 45.5°F (7.5°C). Cypress Creek experiences a consistent average temperature of 34.7°F (1.5°C) throughout the nights in December.

Humidity

The average relative humidity in December in Cypress Creek is 75%.

Rainfall

In Cypress Creek, Maryland, in December, during 11.4 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. In Cypress Creek, Maryland, during the entire year, the rain falls for 155.7 days and collects up to 31.22" (793mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Cypress Creek, in December, snow falls for 2.4 days, with typically accumulated 0.63" (16mm) of snow. Throughout the year, in Cypress Creek, there are 14 snowfall days, and 6.14" (156mm) of snow is accumulated.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year in Cypress Creek.
On the first day of December, sunrise is at 7:06 am and sunset at 4:44 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 is 5.2h.

UV index

January, November 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 hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 suggests this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Boost your sun resistance with garments that are densely woven yet spacious. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

What is the usual temperature for Cypress Creek in December?

The high-temperature, in December, in Cypress Creek, records 45.5°F (7.5°C), while the low-temperature is 34.7°F (1.5°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 91.4°F (33°C).

What is the average humidity in December in Cypress Creek?

The average relative humidity in December in Cypress Creek, Maryland, is 75%.

How much does it rain in Cypress Creek in December?

In Cypress Creek, Maryland, during December, the rain falls for 11.4 days and regularly aggregates up to 2.83" (72mm) of precipitation.

How much does it snow in Cypress Creek in December?

In Cypress Creek, Maryland, in December, snow falls for 2.4 days, with typically accumulated 0.63" (16mm) of snow.

What is the month with the shortest days in Cypress Creek?

The month with the shortest days in Cypress Creek, Maryland, is December, with an average of 9h and 30min of daylight.

What is the average length of the day in December in Cypress Creek?

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

What time are sunrise and sunset in December in Cypress Creek?

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, in Cypress Creek, Maryland, sunrise is at 7:25 am and sunset at 4:53 pm EST.

How many hours of sunshine does Cypress Creek have in December?

In December, the average sunshine duration in Cypress Creek, Maryland, is 5.2h.

When is the lowest UV index in Cypress Creek?

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

What is the UV index intensity in December in Cypress Creek?

The average daily maximum UV index in December in Cypress Creek, Maryland, is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Cypress Creek, MD

Average temperature in December - Cypress Creek, MD
  • Average high temperature in December: 45.5°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 (39.6°F).

  • Average low temperature in December: 34.7°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in December
Cypress Creek, MD

Average pressure in December - Cypress Creek, 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
Cypress Creek, MD

Average wind speed in December - Cypress Creek, MD
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in December
Cypress Creek, MD

Average humidity in December - Cypress Creek, 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
Cypress Creek, MD

Average rainfall in December - Cypress Creek, MD
  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in December
Cypress Creek, MD

Average rainfall days in December - Cypress Creek, MD
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall in December
Cypress Creek, MD

Average snowfall in December - Cypress Creek, MD
  • Average snowfall in December: 0.63"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Cypress Creek, MD

Average snowfall days in December - Cypress Creek, MD
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is January (4.4 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
Cypress Creek, MD

Average daylight in December / Average sunshine in December - Cypress Creek, 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
Cypress Creek, MD

Average sunshine days in December - Cypress Creek, MD
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in December
Cypress Creek, MD

Average UV index in December - Cypress Creek, 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
Cypress Creek, MD

Average cloud cover in December - Cypress Creek, 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
Cypress Creek, MD

Average visibility in December - Cypress Creek, 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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Cypress Creek, Maryland, USA

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