December weather forecastCecilton, MD
December
Weather in December
The first month of the winter, December, is also a frosty month in Cecilton, Maryland, with an average temperature fluctuating between 45°F (7.2°C) and 33.8°F (1°C).Temperature
December signifies a minor drop in average high-temperature, transitioning from a cool 53.8°F (12.1°C) in November to a chilly 45°F (7.2°C). During December, the temperature tends to dip to an average of 33.8°F (1°C) at night.Humidity
The average relative humidity in December is 77%.Rainfall
In Cecilton, in December, it is raining for 9 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 135 rainfall days, and 21.3" (541mm) of precipitation is accumulated.Snowfall
Months with snowfall in Cecilton are January through April, November and December. In Cecilton, Maryland, in December, snow falls for 2.5 days, with typically accumulated 0.35" (9mm) of snow. In Cecilton, during the entire year, snow falls for 14.2 days and aggregates up to 5.16" (131mm) of snow.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 7:05 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:50 pm EST.
Sunshine
The average sunshine in December in Cecilton is 5h.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 exposure to the Sun's UV radiation for the ordinary person.Note: In December, a regular UV index of 2 translates into these guidelines:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cecilton, MD
- Average high temperature in December: 45°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 (38.7°F).
- Average low temperature in December: 33.8°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in December
Cecilton, MD
- Average pressure in December: 30.1"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
Cecilton, MD
- Average wind speed in December: 8.2mph
The windiest months (with the highest average wind speed) are February and March (9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Cecilton, MD
- Average humidity in December: 77%
The months with the highest relative humidity are May, June and September (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Cecilton, MD
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in December
Cecilton, MD
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
Cecilton, MD
- Average snowfall in December: 0.35"
The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Cecilton, MD
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (4.5 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
Cecilton, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Cecilton, MD
- Average sunshine days in December: 19.7 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in December
Cecilton, 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
Cecilton, MD
- Average cloud cover in December: 45
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Cecilton, 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).
