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's onset introduces a mild reduction in the average high-temperature, from a moderate 55.8°F (13.2°C) in November to a chilly 47.7°F (8.7°C). Throughout the nights in December, an average low-temperature of 36.1°F (2.3°C) is noted in Quantico.Humidity
In December, the average relative humidity in Quantico, Maryland, is 78%.Rainfall
In Quantico, in December, it is raining for 7.8 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, there are 113.9 rainfall days, and 11.77" (299mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Quantico, in December, snow falls for 1.7 days, with typically accumulated 0.28" (7mm) of snow. Throughout the year, there are 10 snowfall days, and 1.81" (46mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:42 pm. On the last day of December, in Quantico, Maryland, sunrise is at 7:19 am and sunset at 4:52 pm EST.
Sunshine
The average sunshine in December in Quantico is 5.2h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Quantico. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 2 in December transforms into this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What is the temperature in December in Quantico?
What is the average humidity in December in Quantico?
How much does it rain in Quantico in December?
How many days does it snow in December in Quantico?
What is the month with the shortest days in Quantico?
What is the average length of the day in December in Quantico?
When is the sunrise / sunset in December in Quantico?
How many hours of sunshine does Quantico have in December?
What is the month with the lowest UV index in Quantico?
How high is the UV index in December in Quantico?
Average temperature in December
Quantico, MD
- Average high temperature in December: 47.7°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 (42.1°F).
- Average low temperature in December: 36.1°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in December
Quantico, MD
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Quantico, MD
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in December
Quantico, MD
- Average humidity in December: 78%
The months with the highest relative humidity are May, August and September (80%).
The months with the lowest relative humidity are January, February, March and April (75%).
Average rainfall in December
Quantico, MD
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is July (1.46").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in December
Quantico, MD
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in December
Quantico, MD
- Average snowfall in December: 0.28"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Quantico, MD
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is January (3.2 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
Quantico, 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 42min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in December
Quantico, MD
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (14.7 days).
Average UV index in December
Quantico, 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 and December (UV index 2).
Average cloud cover in December
Quantico, MD
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Quantico, 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).
Quantico, Maryland, USA
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