December weather forecast
Ehrmansville, MD

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Weather in December

December, the first month of the winter in Ehrmansville, is also a frosty month, with an average temperature ranging between min 34.2°F (1.2°C) and max 45.5°F (7.5°C).

Temperature

Ehrmansville, Maryland, in December experiences a gentle temperature dip, with average high-temperatures reducing from a cool 53.4°F (11.9°C) in November to a frosty 45.5°F (7.5°C). Ehrmansville observes an average nighttime temperature of 34.2°F (1.2°C) during December.

Humidity

In December, the average relative humidity is 76%.

Rainfall

In Ehrmansville, in December, during 10.1 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, there are 156.3 rainfall days, and 29.61" (752mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Ehrmansville, Maryland, during December, snow falls for 2.2 days and regularly aggregates up to 0.79" (20mm) of snow. Throughout the year, there are 12.8 snowfall days, and 6.77" (172mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December in Ehrmansville, sunrise is at 7:07 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:54 pm EST.

Sunshine

In December, the average sunshine is 5.2h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 2 during December translates into these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Ehrmansville in December?

An average high-temperature, in December, in Ehrmansville, is 45.5°F (7.5°C) and the average low-temperature is 34.2°F (1.2°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 91.4°F (33°C).

What is the average humidity in December?

In December, the average relative humidity is 76%.

How many days does it rain in December?

In December, the rain falls for 10.1 days. Throughout December, 2.28" (58mm) of precipitation is accumulated.

How many days does it snow in December?

In Ehrmansville, during December, snow falls for 2.2 days and regularly aggregates up to 0.79" (20mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

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

When is the sunrise / sunset in December in Ehrmansville?

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:54 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 5.2h.

When is the lowest UV index in Ehrmansville?

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

How high is the UV index in December?

In Ehrmansville, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents 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
Ehrmansville, MD

Average temperature in December - Ehrmansville, 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 (38.8°F).

  • Average low temperature in December: 34.2°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

Average pressure in December
Ehrmansville, MD

Average pressure in December - Ehrmansville, 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).

Average wind speed in December
Ehrmansville, MD

Average wind speed in December - Ehrmansville, MD
  • Average wind speed in December: 8.3mph

The windiest months (with the highest average wind speed) are February and March (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in December
Ehrmansville, MD

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

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

Average rainfall in December
Ehrmansville, MD

Average rainfall in December - Ehrmansville, MD
  • Average rainfall in December: 2.28"

The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (1.77").

Average rainfall days in December
Ehrmansville, MD

Average rainfall days in December - Ehrmansville, MD
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (8.6 days).

Average snowfall in December
Ehrmansville, MD

Average snowfall in December - Ehrmansville, MD
  • Average snowfall in December: 0.79"

The month with the highest snowfall is January (2.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Ehrmansville, MD

Average snowfall days in December - Ehrmansville, MD
  • Average snowfall days in December: 2.2 days

The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

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

Average sunshine days in December
Ehrmansville, MD

Average sunshine days in December - Ehrmansville, MD
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (10.9 days).

Average UV index in December
Ehrmansville, MD

Average UV index in December - Ehrmansville, 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).

Average cloud cover in December
Ehrmansville, MD

Average cloud cover in December - Ehrmansville, 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).

Average visibility in December
Ehrmansville, MD

Average visibility in December - Ehrmansville, 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).

Ehrmansville, Maryland, USA

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