December weather forecastEdgemere, MD
December
Weather in December
The first month of the winter, December, is also a frosty month in Edgemere, Maryland, with an average temperature varying between 45.1°F (7.3°C) and 34.5°F (1.4°C).Temperature
The start of December signals a gentle decrease in the average high-temperature, transitioning from a cool 53.4°F (11.9°C) in November to a frosty 45.1°F (7.3°C). During December, the average low-temperature is an icy 34.5°F (1.4°C).Humidity
In Edgemere, the average relative humidity in December is 76%.Rainfall
In Edgemere, during December, the rain falls for 5.5 days and regularly aggregates up to 0.63" (16mm) of precipitation. In Edgemere, during the entire year, the rain falls for 84.4 days and collects up to 6.85" (174mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Edgemere, in December, snow falls for 1 days, with typically accumulated 0.16" (4mm) of snow. Throughout the year, there are 6.9 snowfall days, and 0.71" (18mm) of snow is accumulated.Ocean temperature
In Edgemere, in December, the average water temperature is 50.5°F (10.3°C).Note: Dipping into 50.5°F (10.3°C) below 50°F (10°C) needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 55.4°F (13°C) feels cold to the bone.
Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Edgemere.On the first day of December in Edgemere, sunrise is at 7:06 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:52 pm EST.
Sunshine
In December, the average sunshine is 5.2h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Edgemere, MD
- Average high temperature in December: 45.1°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 34.5°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in December
Edgemere, 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
Edgemere, MD
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Edgemere, MD
- Average humidity in December: 76%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Edgemere, MD
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is August (1.06").
The driest month (with the least rainfall) is September (0.24").
Average rainfall days in December
Edgemere, MD
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is November (4.1 days).
Average snowfall in December
Edgemere, MD
- Average snowfall in December: 0.16"
The month with the highest snowfall is January (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Edgemere, MD
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Edgemere, MD
- Average sea temperature in December: 50.6°F
The best month for swimming (with the highest average sea temperature) is August (77.2°F).
The coldest month (with the lowest average sea temperature) is February (43.7°F).
Average daylight in December /
Average sunshine in December
Edgemere, MD
- Average daylight in December: 9h and 30min
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 30min).
- Average sunshine in December: 5h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Edgemere, MD
- Average sunshine days in December: 23.8 days
The month with the most sunshine days is January (24.7 days).
The month with the least sunshine days is July (16.9 days).
Average UV index in December
Edgemere, 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 and December (UV index 2).
Average cloud cover in December
Edgemere, 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 29).
Average visibility in December
Edgemere, 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).





