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
A mild shift in the average high-temperature occurs in December, reducing from a fresh 51.1°F (10.6°C) in November to a cold 42.3°F (5.7°C). In Maryland Line, the December nights cool down to an average low of 30.7°F (-0.7°C).Humidity
In December, the average relative humidity is 79%.Rainfall
In Maryland Line, in December, during 9.2 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. In Maryland Line, during the entire year, the rain falls for 145.5 days and collects up to 24.96" (634mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Maryland Line, during December, snow falls for 2.9 days and regularly aggregates up to 1.42" (36mm) of snow. Throughout the year, in Maryland Line, there are 19.2 snowfall days, and 10.59" (269mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Maryland Line.On the first day of the month, sunrise is at 7:09 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:52 pm EST.
Sunshine
The average sunshine in December is 4.9h.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 unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
How cold does it get in Maryland Line in December?
What is the average humidity in December in Maryland Line?
How much does it rain in Maryland Line in December?
How much does it snow in Maryland Line in December?
What is the month with the shortest days in Maryland Line?
How many hours of daylight does Maryland Line have in December?
What time are sunrise and sunset in December in Maryland Line?
How many hours of sunshine does Maryland Line have in December?
What are the months with the lowest UV index in Maryland Line?
What is the UV index intensity in December in Maryland Line?
Average temperature in December
Maryland Line, MD
- Average high temperature in December: 42.3°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in December: 30.7°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in December
Maryland Line, 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
Maryland Line, MD
- Average wind speed in December: 8.2mph
The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Maryland Line, MD
- Average humidity in December: 79%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January, March, April and November (76%).
Average rainfall in December
Maryland Line, MD
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is August (3.03").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in December
Maryland Line, MD
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in December
Maryland Line, MD
- Average snowfall in December: 1.42"
The month with the highest snowfall is March (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Maryland Line, MD
- Average snowfall days in December: 2.9 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Maryland Line, 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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Maryland Line, MD
- Average sunshine days in December: 19 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in December
Maryland Line, MD
- Average UV index in December: 2
The months with the highest UV index are 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
Maryland Line, MD
- Average cloud cover in December: 46
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Maryland Line, MD
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Maryland Line, Maryland, USA
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