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
Start of December brings a slight shift in the average high-temperature, dipping a bit from November's fresh 51.3°F (10.7°C) to an icy 42.3°F (5.7°C). Lineboro's average low-temperature during December nights is observed to be a freezing cold 30.7°F (-0.7°C).Humidity
In December, the average relative humidity is 78%.Rainfall
In December, the rain falls for 10.7 days. Throughout December, 2.24" (57mm) of precipitation is accumulated. In Lineboro, during the entire year, the rain falls for 160.1 days and collects up to 29.84" (758mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Lineboro, in December, during 4.2 snowfall days, 1.69" (43mm) of snow is typically accumulated. In Lineboro, during the entire year, snow falls for 22 days and aggregates up to 11.85" (301mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:09 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:53 pm EST.
Sunshine
In December, the average sunshine is 5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 2 in December translates into this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays. 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
How cold does it get in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December in Lineboro?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December in Lineboro?
How many hours of sunshine does Lineboro have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Lineboro, MD
- Average high temperature in December: 42.3°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in December: 30.7°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in December
Lineboro, 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
Lineboro, MD
- Average wind speed in December: 8.1mph
The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Lineboro, MD
- Average humidity in December: 78%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are January, March, April, July and November (76%).
Average rainfall in December
Lineboro, MD
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is February (1.93").
Average rainfall days in December
Lineboro, MD
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in December
Lineboro, MD
- Average snowfall in December: 1.69"
The month with the highest snowfall is March (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Lineboro, MD
- Average snowfall days in December: 4.2 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lineboro, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Lineboro, MD
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in December
Lineboro, 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
Lineboro, MD
- Average cloud cover in December: 46
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Lineboro, 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).
Lineboro, Maryland, USA
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