Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The onset of December aligns with a soft reduction in the average high-temperature, gently falling from a cool 54.9°F (12.7°C) in November to a frosty 46.6°F (8.1°C). An average low-temperature of 33.6°F (0.9°C) is noted during the nights in December.Humidity
May, October and December, with an average relative humidity of 77%, are the most humid months.Rainfall
In Marbury, during December, the rain falls for 10.7 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 164.3 rainfall days, and 32.32" (821mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April and December. December is the first month it typically snows. Throughout December, in the average 2.1 snowfall days, it receives 1.42" (36mm) of snow. In Marbury, during the entire year, snow falls for 14.6 days and aggregates up to 7.8" (198mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:07 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:57 pm EST.
Sunshine
February and December, with an average of 5.2h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, the UV index of 2 transforms into the following advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. To protect against the Sun's most potent rays, avoid direct exposure around midday. Enhance your sun protection with tightly woven, yet airy clothing. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
When does it start snowing?
What is the month with the shortest days?
How many hours of daylight does Marbury have in December?
When is the sunrise / sunset in December?
What are the months with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Marbury, MD
- Average high temperature in December: 46.6°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in December: 33.6°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in December
Marbury, 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
Marbury, MD
- Average wind speed in December: 6.2mph
The windiest months (with the highest average wind speed) are March and April (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Marbury, MD
- Average humidity in December: 77%
The months with the highest relative humidity are May, October and December (77%).
The months with the lowest relative humidity are April and July (72%).
Average rainfall in December
Marbury, MD
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days in December
Marbury, MD
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in December
Marbury, MD
- Average snowfall in December: 1.42"
The month with the highest snowfall is January (2.44").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in December
Marbury, MD
- Average snowfall days in December: 2.1 days
The month with the highest number of snowfall days is January (4.8 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
Marbury, MD
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
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 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).
Average sunshine days in December
Marbury, MD
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in December
Marbury, 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).
Average cloud cover in December
Marbury, MD
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Marbury, 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).
Marbury, Maryland, USA
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