December weather forecastAltoona Beach, MD
December
Weather in December
The first month of the winter, December, is still a chilly month in Altoona Beach, Maryland, with an average temperature ranging between max 45.5°F (7.5°C) and min 34.7°F (1.5°C).Temperature
The onset of December entails a subtle temperature shift, as the average high-temperature eases from a fresh 53.8°F (12.1°C) in November to a chilly 45.5°F (7.5°C). December brings Altoona Beach a consistent average low-temperature of 34.7°F (1.5°C).Humidity
In December, the average relative humidity in Altoona Beach is 75%.Rainfall
In December, the rain falls for 11.4 days. Throughout December, 2.83" (72mm) of precipitation is accumulated. In Altoona Beach, during the entire year, the rain falls for 155.7 days and collects up to 31.22" (793mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Altoona Beach, Maryland, in December, during 2.4 snowfall days, 0.63" (16mm) of snow is typically accumulated. In Altoona Beach, during the entire year, snow falls for 14 days and aggregates up to 6.14" (156mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:07 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:53 pm EST.
Sunshine
The average sunshine in December is 5.2h.UV index
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Consider this! The reflection from 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
Average temperature in December
Altoona Beach, MD
- Average high temperature in December: 45.5°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in December
Altoona Beach, 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
Altoona Beach, 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
Altoona Beach, MD
- Average humidity in December: 75%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).
Average rainfall in December
Altoona Beach, MD
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Altoona Beach, MD
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in December
Altoona Beach, MD
- Average snowfall in December: 0.63"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Altoona Beach, MD
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Altoona Beach, 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 6min).
Average sunshine days in December
Altoona Beach, MD
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Altoona 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, November and December (UV index 2).
Average cloud cover in December
Altoona Beach, 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 28).
Average visibility in December
Altoona 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).





