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
The beginning of December marks a decrease in the average high-temperature, transitioning from a cool 50.7°F (10.4°C) in November to an icy 41.5°F (5.3°C). An average low-temperature of 29.3°F (-1.5°C) is observed in Brightwood Acres, Maryland, during the December nights.Humidity
In Brightwood Acres, Maryland, the average relative humidity in December is 78%.Rainfall
In Brightwood Acres, during December, the rain falls for 11.2 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Brightwood Acres, during the entire year, the rain falls for 164.7 days and collects up to 29.17" (741mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Brightwood Acres, in December, snow falls for 5.2 days, with typically accumulated 2.17" (55mm) of snow. In Brightwood Acres, during the entire year, snow falls for 28.6 days and aggregates up to 14.65" (372mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Brightwood Acres.On the first day of the month, sunrise is at 7:12 am and sunset at 4:47 pm. On the last day of December, in Brightwood Acres, Maryland, sunrise is at 7:31 am and sunset at 4:56 pm EST.
Sunshine
In December, the average sunshine in Brightwood Acres 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. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
How cold is it in Brightwood Acres in December?
What is the average humidity in December in Brightwood Acres?
How much does it rain in Brightwood Acres in December?
How many days does it snow in December in Brightwood Acres?
What is the month with the shortest days in Brightwood Acres?
What is the average length of the day in December in Brightwood Acres?
When is the sunrise / sunset in December in Brightwood Acres?
How many hours of sunshine does Brightwood Acres have in December?
What are the months with the lowest UV index in Brightwood Acres?
What is the UV index reading in December in Brightwood Acres?
Average temperature in December
Brightwood Acres, MD
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in December
Brightwood Acres, 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
Brightwood Acres, MD
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Brightwood Acres, MD
- Average humidity in December: 78%
The months with the highest relative humidity are May and October (79%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in December
Brightwood Acres, MD
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.97").
Average rainfall days in December
Brightwood Acres, MD
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
Brightwood Acres, MD
- Average snowfall in December: 2.17"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Brightwood Acres, MD
- Average snowfall days in December: 5.2 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Brightwood Acres, 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 month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Brightwood Acres, MD
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in December
Brightwood Acres, MD
- Average UV index in December: 2
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Brightwood Acres, MD
- Average cloud cover in December: 49
The months with the most cloud cover are January, February, March and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Brightwood Acres, MD
- Average visibility in December: 6mi
The months with the highest visibility are April, June, July, August, November and December (6mi).
The months with the lowest visibility are January, February, March, May, September and October (5mi).
Brightwood Acres, Maryland, USA
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