December weather forecast
Eldersburg, MD

Share

Weather in December

The first month of the winter, December, is also a frosty month in Eldersburg, Maryland, with an average temperature ranging between min 31.3°F (-0.4°C) and max 43.2°F (6.2°C).

Temperature

December's onset brings a negligible change in high-temperatures, falling from a fresh 52.2°F (11.2°C) in November to a chilly 43.2°F (6.2°C). Throughout December, Eldersburg witnesses a consistent average low-temperature of 31.3°F (-0.4°C).

Humidity

The average relative humidity in December in Eldersburg is 78%.

Rainfall

In December, in Eldersburg, the rain falls for 9.1 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. In Eldersburg, during the entire year, the rain falls for 130.3 days and collects up to 15.47" (393mm) of precipitation.

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 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

The average sunshine in December is 5h.

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 reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 2 during December translates into the following guidance:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Experience reduced UV exposure by about half when donning a wide-brim hat. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

In Eldersburg, 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. In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is calculated to be 89.6°F (32°C).

What is the average humidity in December?

In Eldersburg, the average relative humidity in December is 78%.

How much does it rain in December?

In Eldersburg, in December, it is raining for 9.1 days, with typically 1.02" (26mm) of accumulated precipitation.

How much does it snow in December?

In Eldersburg, in December, during 2.5 snowfall days, 0.47" (12mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

What is the average length of the day in December?

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

What time are sunrise and sunset in December?

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

How many hours of sunshine does Eldersburg have in December?

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

When is the lowest UV index?

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

What is the UV index reading in December?

In Eldersburg, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to 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
Eldersburg, MD

Average temperature in December - Eldersburg, 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).

Average pressure in December
Eldersburg, MD

Average pressure in December - Eldersburg, 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
Eldersburg, MD

Average wind speed in December - Eldersburg, 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).

Average humidity in December
Eldersburg, MD

Average humidity in December - Eldersburg, 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%).

Average rainfall in December
Eldersburg, MD

Average rainfall in December - Eldersburg, 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").

Average rainfall days in December
Eldersburg, MD

Average rainfall days in December - Eldersburg, 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).

Average snowfall in December
Eldersburg, MD

Average snowfall in December - Eldersburg, 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").

Average snowfall days in December
Eldersburg, MD

Average snowfall days in December - Eldersburg, 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).

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

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

Average sunshine days in December
Eldersburg, MD

Average sunshine days in December - Eldersburg, 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).

Average UV index in December
Eldersburg, MD

Average UV index in December - Eldersburg, 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
Eldersburg, MD

Average cloud cover in December - Eldersburg, 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).

Average visibility in December
Eldersburg, MD

Average visibility in December - Eldersburg, 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).

Eldersburg, Maryland, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location