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 arrival comes with a mild decrease in the average high-temperature, moving subtly from a fresh 52.3°F (11.3°C) in November to a chilly 43.5°F (6.4°C). During December nights, Cedar Heights records an average temperature of 31.1°F (-0.5°C).Humidity
The average relative humidity in December in Cedar Heights is 78%.Rainfall
In Cedar Heights, in December, it is raining for 10.4 days, with typically 2.24" (57mm) of accumulated precipitation. In Cedar Heights, during the entire year, the rain falls for 158.7 days and collects up to 30.91" (785mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Cedar Heights. In Cedar Heights, during December, snow falls for 3.5 days and regularly aggregates up to 2.01" (51mm) of snow. Throughout the year, there are 21.3 snowfall days, and 13.31" (338mm) 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 7:10 am and sunset at 4:46 pm. On the last day of December, in Cedar Heights, Maryland, sunrise is at 7:28 am and sunset at 4:56 pm EST.
Sunshine
In Cedar Heights, Maryland, the average sunshine in December is 5.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 2 in December transforms into this advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
Is December cold in Cedar Heights?
What is the average humidity in December in Cedar Heights?
How much does it rain in Cedar Heights in December?
How much does it snow in Cedar Heights in December?
What is the month with the shortest days in Cedar Heights?
What is the average length of the day in December in Cedar Heights?
What time are sunrise and sunset in December in Cedar Heights?
How long on average sun shines in December in Cedar Heights?
What are the months with the lowest UV index in Cedar Heights?
What is the UV index reading in December in Cedar Heights?
Average temperature in December
Cedar Heights, MD
- Average high temperature in December: 43.5°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 (37.8°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in December
Cedar Heights, 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
Cedar Heights, MD
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Cedar Heights, 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 (74%).
Average rainfall in December
Cedar Heights, MD
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in December
Cedar Heights, MD
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Cedar Heights, MD
- Average snowfall in December: 2.01"
The month with the highest snowfall is March (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cedar Heights, MD
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cedar Heights, 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 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Cedar Heights, MD
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Cedar Heights, 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
Cedar Heights, MD
- Average cloud cover in December: 45
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Cedar Heights, 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).
Cedar Heights, Maryland, USA
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