Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In December, the average high-temperature marginally decreases from a fresh 54.9°F (12.7°C) in November to a chilly 47.1°F (8.4°C). In December, the temperature drops to an average of 36.3°F (2.4°C) at night.Humidity
In Secretary, the average relative humidity in December is 76%.Rainfall
In Secretary, in December, during 10.8 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, in Secretary, there are 160.2 rainfall days, and 31.89" (810mm) of precipitation is accumulated.Snowfall
Months with snowfall in Secretary are January through April, November and December. In December, it is snowing for 2.3 days. Throughout December, 1.1" (28mm) of snow is accumulated. In Secretary, Maryland, during the entire year, snow falls for 11.2 days and aggregates up to 4.65" (118mm) 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 the month, sunrise is at 7:03 am and sunset at 4:42 pm. On the last day of December, in Secretary, sunrise is at 7:21 am and sunset at 4:52 pm EST.
Sunshine
February and December, with an average of 5.2h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What are the temperatures in Secretary in December?
What is the average humidity in December in Secretary?
How much does it rain in Secretary in December?
How many days does it snow in December in Secretary?
What is the month with the shortest days in Secretary?
How many hours of daylight does Secretary have in December?
When is the sunrise / sunset in December in Secretary?
What is the month with the least sunshine in Secretary?
How many hours of sunshine does Secretary have in December?
What is the month with the lowest UV index in Secretary?
What is the UV index intensity in December in Secretary?
Average temperature in December
Secretary, MD
- Average high temperature in December: 47.1°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (40.8°F).
- Average low temperature in December: 36.3°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in December
Secretary, 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
Secretary, MD
- Average wind speed in December: 8.8mph
The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Secretary, MD
- Average humidity in December: 76%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (73%).
Average rainfall in December
Secretary, MD
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is July (3.43").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days in December
Secretary, MD
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Secretary, MD
- Average snowfall in December: 1.1"
The month with the highest snowfall is January (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Secretary, MD
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is January (3.5 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
Secretary, MD
- Average daylight in December: 9h and 3min
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 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).
Average sunshine days in December
Secretary, MD
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in December
Secretary, 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
Secretary, MD
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Secretary, 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).
Secretary, Maryland, USA
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