December weather forecastChesapeake Beach, MD
December
Weather in December
December is characterized by definitive winter-like conditions in Chesapeake Beach, Maryland. With the shortest daylight hours throughout the year (9.5 hours), and the mercury hitting an average high and low of 46.4°F (8°C) and 36.5°F (2.5°C) respectively, December brings the chills. There is also a slight incline in the average snowfall up to 0.28" (7mm). As the year ends, Chesapeake Beach residents get to experience chilly nights and cold days, ensuring a classic winter appeal.Temperature
Chesapeake Beach's December weather features a light decline in high-temperatures, reducing from a cool 54.7°F (12.6°C) in November to a chilly 46.4°F (8°C). December brings an average low-temperature of 36.5°F (2.5°C) to Chesapeake Beach.Humidity
In December, the average relative humidity is 75%.Rainfall
In Chesapeake Beach, in December, it is raining for 8.4 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 132.3 rainfall days, and 15.83" (402mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Chesapeake Beach, Maryland, during December, snow falls for 1.6 days and regularly aggregates up to 0.28" (7mm) of snow. In Chesapeake Beach, during the entire year, snow falls for 9.4 days and aggregates up to 1.97" (50mm) of snow.Ocean temperature
In Chesapeake Beach, the average seawater temperature in December is 52°F (11.1°C).Note: Beware of 52°F (11.1°C) waters at 55.4°F (13°C), they're uninviting, and a dip below 50°F (10°C) has risks of breath loss and cold shock, contingent on health.
Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 4:45 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:54 pm EST.
Sunshine
The average sunshine in December is 5.2h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chesapeake Beach, MD
- Average high temperature in December: 46.4°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 (40.6°F).
- Average low temperature in December: 36.5°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in December
Chesapeake Beach, 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
Chesapeake Beach, MD
- Average wind speed in December: 9.2mph
The windiest months (with the highest average wind speed) are January and March (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in December
Chesapeake Beach, MD
- Average humidity in December: 75%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall in December
Chesapeake Beach, MD
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is August (2.4").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in December
Chesapeake Beach, MD
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (6.6 days).
Average snowfall in December
Chesapeake Beach, MD
- Average snowfall in December: 0.28"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Chesapeake Beach, MD
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is January (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Chesapeake Beach, MD
- Average sea temperature in December: 52°F
The best month for swimming (with the highest average sea temperature) is August (78°F).
The coldest month (with the lowest average sea temperature) is February (45.9°F).
Average daylight in December /
Average sunshine in December
Chesapeake Beach, MD
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
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 6min).
Average sunshine days in December
Chesapeake Beach, MD
- Average sunshine days in December: 19.9 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (13.7 days).
Average UV index in December
Chesapeake Beach, 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 and December (UV index 2).
Average cloud cover in December
Chesapeake Beach, MD
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Chesapeake Beach, 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).
