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
December implies a soft temperature shift, with average high-temperatures reducing from November's fresh 53.1°F (11.7°C) to a frosty 44.2°F (6.8°C). Nighttime temperature experiences an average drop to a subzero cold 31.8°F (-0.1°C) in December.Humidity
October and December, with an average relative humidity of 78%, are the most humid months.Rainfall
In Clarksburg, in December, it is raining for 10.5 days, with typically 2.36" (60mm) of accumulated precipitation. In Clarksburg, during the entire year, the rain falls for 159.4 days and collects up to 30.71" (780mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In December, it is snowing for 3 days. Throughout December, 1.57" (40mm) of snow is accumulated. In Clarksburg, during the entire year, snow falls for 19.1 days and aggregates up to 10.04" (255mm) of snow.Daylight
The month with the shortest days in Clarksburg, Maryland, is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 4:46 pm. On the last day of December, in Clarksburg, sunrise is at 7:28 am and sunset at 4:56 pm EST.
Sunshine
In December, the average sunshine in Clarksburg is 5.2h.UV index
The months with the lowest UV index in Clarksburg are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
Is December cold in Clarksburg?
What is the most humid month in Clarksburg?
What is the average humidity in December in Clarksburg?
How many days does it rain in December in Clarksburg?
How much does it snow in Clarksburg in December?
What is the month with the shortest days in Clarksburg?
What is the average length of the day in December in Clarksburg?
What time are sunrise and sunset in December in Clarksburg?
How long on average sun shines in December in Clarksburg?
What is the month with the lowest UV index in Clarksburg?
What is the UV index intensity in December in Clarksburg?
Average temperature in December
Clarksburg, MD
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Clarksburg, 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 (29.95"Hg).
Average wind speed in December
Clarksburg, MD
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Clarksburg, MD
- Average humidity in December: 78%
The months with the highest relative humidity are October and December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in December
Clarksburg, MD
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is August (3.78").
The driest months (with the least rainfall) are January and February (1.97").
Average rainfall days in December
Clarksburg, MD
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (17.5 days).
The months with the least rainy days are January and November (9.5 days).
Average snowfall in December
Clarksburg, MD
- Average snowfall in December: 1.57"
The month with the highest snowfall is March (2.83").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Clarksburg, MD
- Average snowfall days in December: 3 days
The months with the highest number of snowfall days are January and February (5.8 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
Clarksburg, MD
- Average daylight in December: 9h and 3min
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 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in December
Clarksburg, MD
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Clarksburg, 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
Clarksburg, MD
- Average cloud cover in December: 45
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Clarksburg, 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).
Clarksburg, Maryland, USA
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