December weather forecast
Emmertsville, MD

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Weather in December

December, the first month of the winter in Emmertsville, is also a wintry month, with an average temperature varying between 42.3°F (5.7°C) and 30.2°F (-1°C).

Temperature

In the transition to December, Emmertsville observes a drop in the average high-temperature, moving from a fresh 51.6°F (10.9°C) in November to a wintry 42.3°F (5.7°C). During December nights, Emmertsville witnesses a consistent average temperature of 30.2°F (-1°C).

Humidity

May, October and December, with an average relative humidity of 79%, are the most humid months in Emmertsville.

Rainfall

In December, the rain falls for 10.8 days. Throughout December, 2.2" (56mm) of precipitation is accumulated. Throughout the year, in Emmertsville, there are 162.4 rainfall days, and 30.16" (766mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Emmertsville, during December, snow falls for 4.5 days and regularly aggregates up to 2.09" (53mm) of snow. In Emmertsville, during the entire year, snow falls for 24.4 days and aggregates up to 14.29" (363mm) of snow.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:12 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:57 pm EST.

Sunshine

The average sunshine in December is 4.8h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Frequently asked questions

Is December cold in Emmertsville?

The high-temperature in Emmertsville, Maryland, during December is 42.3°F (5.7°C) and the low-temperature is 30.2°F (-1°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 91.4°F (33°C).

What are the most humid months in Emmertsville?

The months with the highest humidity are May, October and December, with an average relative humidity of 79%.

What is the average humidity in December in Emmertsville?

The average relative humidity in December is 79%.

How much does it rain in Emmertsville in December?

In Emmertsville, in December, during 10.8 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

How many days does it snow in December in Emmertsville?

In Emmertsville, in December, during 4.5 snowfall days, 2.09" (53mm) of snow is typically accumulated.

What is the month with the shortest days in Emmertsville?

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

How many hours of daylight does Emmertsville have in December?

The average day length in December in Emmertsville is 9h and 26min.

What time are sunrise and sunset in December in Emmertsville?

In December, on the first day of the month, sunrise is at 7:12 am and sunset at 4:47 pm. On the last day of the month, in Emmertsville, Maryland, sunrise is at 7:31 am and sunset at 4:57 pm EST.

How long on average sun shines in December in Emmertsville?

In December, the average sunshine duration in Emmertsville is 4.8h.

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

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

How high is the UV index in December in Emmertsville?

In December, the average daily maximum UV index in Emmertsville, Maryland, is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Emmertsville, MD

Average temperature in December - Emmertsville, MD
  • Average high temperature in December: 42.3°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 (37°F).

  • Average low temperature in December: 30.2°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

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Average pressure in December
Emmertsville, MD

Average pressure in December - Emmertsville, 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 (29.95"Hg).

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Average wind speed in December
Emmertsville, MD

Average wind speed in December - Emmertsville, MD
  • Average wind speed in December: 7mph

The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

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Average humidity in December
Emmertsville, MD

Average humidity in December - Emmertsville, MD
  • Average humidity in December: 79%

The months with the highest relative humidity are May, October and December (79%).
The month with the lowest relative humidity is July (74%).

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Average rainfall in December
Emmertsville, MD

Average rainfall in December - Emmertsville, MD
  • Average rainfall in December: 2.2"

The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is January (1.97").

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Average rainfall days in December
Emmertsville, MD

Average rainfall days in December - Emmertsville, MD
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall in December
Emmertsville, MD

Average snowfall in December - Emmertsville, MD
  • Average snowfall in December: 2.09"

The month with the highest snowfall is January (4.72").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Emmertsville, MD

Average snowfall days in December - Emmertsville, MD
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Emmertsville, 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: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in December
Emmertsville, MD

Average sunshine days in December - Emmertsville, MD
  • Average sunshine days in December: 16.4 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is April (11 days).

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Average UV index in December
Emmertsville, MD

Average UV index in December - Emmertsville, 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
Emmertsville, MD

Average cloud cover in December - Emmertsville, MD
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in December
Emmertsville, MD

Average visibility in December - Emmertsville, MD
  • Average visibility in December: 5mi

The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).

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Emmertsville, Maryland, USA

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