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
In Marthas Legacy, the average high-temperature in December gently drops from a fresh 52.3°F (11.3°C) in November to a frosty 43.5°F (6.4°C). During the month of December, Marthas Legacy's nighttime temperature lowers to an average of 31.5°F (-0.3°C).Humidity
In December, the average relative humidity is 77%.Rainfall
In Marthas Legacy, in December, during 10.5 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. In Marthas Legacy, during the entire year, the rain falls for 159 days and collects up to 31.61" (803mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In December, it is snowing for 3.2 days. Throughout December, 1.54" (39mm) of snow is accumulated. Throughout the year, there are 18.7 snowfall days, and 9.96" (253mm) of snow is accumulated.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 7:09 am and sunset at 4:44 pm. On the last day of December, in Marthas Legacy, sunrise is at 7:27 am and sunset at 4:54 pm EST.
Sunshine
In Marthas Legacy, Maryland, the average sunshine in December is 5.1h.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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Boost your sun resistance with garments that are densely woven yet spacious. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December in Marthas Legacy?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Marthas Legacy have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Marthas Legacy have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Marthas Legacy, MD
- Average high temperature in December: 43.5°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 (37.6°F).
- Average low temperature in December: 31.5°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in December
Marthas Legacy, 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
Marthas Legacy, MD
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Marthas Legacy, MD
- Average humidity in December: 77%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in December
Marthas Legacy, MD
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is February (1.97").
Average rainfall days in December
Marthas Legacy, MD
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in December
Marthas Legacy, MD
- Average snowfall in December: 1.54"
The month with the highest snowfall is March (2.8").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Marthas Legacy, MD
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Marthas Legacy, 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 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days in December
Marthas Legacy, MD
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in December
Marthas Legacy, 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
Marthas Legacy, 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 31).
Average visibility in December
Marthas Legacy, 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).
Marthas Legacy, Maryland, USA
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