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 transition to December results in a modest reduction in average high-temperature, moving from a cool 53.2°F (11.8°C) in November to a chilly 44.8°F (7.1°C). During December, White Marsh experiences a consistent low-temperature average of 33.4°F (0.8°C).Humidity
In White Marsh, the average relative humidity in December is 77%.Rainfall
In White Marsh, in December, it is raining for 9.9 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, there are 156.8 rainfall days, and 30.67" (779mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In White Marsh, in December, snow falls for 1.7 days, with typically accumulated 0.71" (18mm) of snow. Throughout the year, there are 11.3 snowfall days, and 5.55" (141mm) 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 7:07 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:52 pm EST.
Sunshine
The average sunshine in December is 5.2h.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 exposure to the Sun's UV radiation for the ordinary person.Note: In December, a daily UV index of 2 turns into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in White Marsh?
What is the average humidity in December in White Marsh?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December in White Marsh?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
White Marsh, MD
- Average high temperature in December: 44.8°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in December: 33.4°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in December
White Marsh, MD
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
White Marsh, MD
- Average wind speed in December: 8.5mph
The windiest months (with the highest average wind speed) are January, February and March (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
White Marsh, MD
- Average humidity in December: 77%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
White Marsh, MD
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in December
White Marsh, MD
- Average rainfall days in December: 9.9 days
The months with the highest number of rainy days are May and July (17.6 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in December
White Marsh, MD
- Average snowfall in December: 0.71"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
White Marsh, MD
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is January (3.8 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
White Marsh, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
White Marsh, MD
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
White Marsh, 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
White Marsh, MD
- Average cloud cover in December: 44
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
White Marsh, 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).
White Marsh, Maryland, USA
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