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
A modest decline in the average high-temperature is seen during December, decreasing from a fresh 51.1°F (10.6°C) in November to a wintry 42.3°F (5.7°C). The low-temperature average for Woodburn on the Potomac during December stands at a subzero cold 29.7°F (-1.3°C).Humidity
The average relative humidity in December in Woodburn on the Potomac is 78%.Rainfall
In Woodburn on the Potomac, Maryland, during December, the rain falls for 9.6 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Woodburn on the Potomac, during the entire year, the rain falls for 152.2 days and collects up to 26.02" (661mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Woodburn on the Potomac, in December, during 3.8 snowfall days, 2.01" (51mm) of snow is typically accumulated. Throughout the year, in Woodburn on the Potomac, there are 20.8 snowfall days, and 12.56" (319mm) of snow is accumulated.Daylight
December has the shortest days of the year in Woodburn on the Potomac, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:13 am and sunset at 4:47 pm. On the last day of December, in Woodburn on the Potomac, sunrise is at 7:31 am and sunset at 4:57 pm EST.
Sunshine
In Woodburn on the Potomac, the average sunshine in December is 4.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Woodburn on the Potomac. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold does it get in Woodburn on the Potomac in December?
What is the average humidity in December in Woodburn on the Potomac?
How many days does it rain in December in Woodburn on the Potomac?
How many days does it snow in December in Woodburn on the Potomac?
What is the month with the shortest days in Woodburn on the Potomac?
What is the average length of the day in December in Woodburn on the Potomac?
When are sunrise and sunset in December in Woodburn on the Potomac?
How long on average sun shines in December in Woodburn on the Potomac?
When is the lowest UV index in Woodburn on the Potomac?
What is the UV index intensity in December in Woodburn on the Potomac?
Average temperature in December
Woodburn on the Potomac, MD
- Average high temperature in December: 42.3°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in December: 29.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Woodburn on the Potomac, 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
Woodburn on the Potomac, MD
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Woodburn on the Potomac, MD
- Average humidity in December: 78%
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is July (74%).
Average rainfall in December
Woodburn on the Potomac, MD
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in December
Woodburn on the Potomac, MD
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Woodburn on the Potomac, MD
- Average snowfall in December: 2.01"
The month with the highest snowfall is January (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Woodburn on the Potomac, MD
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (6.2 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
Woodburn on the Potomac, MD
- Average daylight in December: 9h and 2min
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: 4h and 5min
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
Woodburn on the Potomac, MD
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in December
Woodburn on the Potomac, 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
Woodburn on the Potomac, MD
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Woodburn on the Potomac, MD
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are January, May, September and October (5mi).
Woodburn on the Potomac, Maryland, USA
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