December weather forecastKnoll View Acres, MD
December
Weather in December
The first month of the winter, December, is still a chilly month in Knoll View Acres, Maryland, with an average temperature ranging between min 31.5°F (-0.3°C) and max 43.5°F (6.4°C).Temperature
In December, the meteorological conditions change slightly, with the average high-temperature moving from a fresh 52.3°F (11.3°C) in November to a frosty 43.5°F (6.4°C). Throughout December, the temperature tends to fall to a consistent average low of 31.5°F (-0.3°C).Humidity
In December, the average relative humidity is 77%.Rainfall
In December, the rain falls for 10.5 days. Throughout December, 2.4" (61mm) of precipitation is accumulated. Throughout the year, there are 159 rainfall days, and 31.61" (803mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Knoll View Acres, during December, snow falls for 3.2 days and regularly aggregates up to 1.54" (39mm) of snow. Throughout the year, there are 18.7 snowfall days, and 9.96" (253mm) of snow is accumulated.Daylight
The month with the shortest days is December, 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, sunrise is at 7:27 am and sunset at 4:54 pm EST.
Sunshine
In Knoll View Acres, 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 estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 2 in December translates into this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Knoll View Acres, 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
Knoll View Acres, 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
Knoll View Acres, 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
Knoll View Acres, 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
Knoll View Acres, 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
Knoll View Acres, 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
Knoll View Acres, 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
Knoll View Acres, 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
Knoll View Acres, MD
- Average daylight in December: 9h and 24min
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 6min
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
Knoll View Acres, 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
Knoll View Acres, 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
Knoll View Acres, 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
Knoll View Acres, 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).
