December weather forecastMount Savage, MD
December
Weather in December
The first month of the winter, December, is also a wintry month in Mount Savage, Maryland, with temperature in the range of an average low of 27.3°F (-2.6°C) and an average high of 38.8°F (3.8°C).Temperature
With December's onset, the average high-temperature recedes from November's frosty 48.4°F (9.1°C) to a cold 38.8°F (3.8°C). During December, the nighttime temperature averages to a subzero cold 27.3°F (-2.6°C).Humidity
In December, the average relative humidity is 82%.Rainfall
In Mount Savage, Maryland, in December, it is raining for 14.1 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, there are 186.2 rainfall days, and 31.93" (811mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Mount Savage, in December, snow falls for 10.8 days, with typically accumulated 4.13" (105mm) of snow. In Mount Savage, during the entire year, snow falls for 56.7 days and aggregates up to 28.46" (723mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:17 am and sunset at 4:51 pm. On the last day of December, sunrise is at 7:36 am and sunset at 5:01 pm EST.
Sunshine
In Mount Savage, the average sunshine in December is 4.6h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 2 during December leads to these advisories:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mount Savage, MD
- Average high temperature in December: 38.8°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Mount Savage, 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).
Average wind speed in December
Mount Savage, MD
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Mount Savage, MD
- Average humidity in December: 82%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is July (76%).
Average rainfall in December
Mount Savage, MD
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is November (1.85").
Average rainfall days in December
Mount Savage, MD
- Average rainfall days in December: 14.1 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is November (11.1 days).
Average snowfall in December
Mount Savage, MD
- Average snowfall in December: 4.13"
The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mount Savage, MD
- Average snowfall days in December: 10.8 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mount Savage, MD
- Average daylight in December: 9h and 24min
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 36min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Mount Savage, MD
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (6.8 days).
Average UV index in December
Mount Savage, MD
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Mount Savage, MD
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Mount Savage, MD
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).





