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
In Charlotte Hall, entering December brings a subtle temperature decrement, reducing from November's cool 54.9°F (12.7°C) to a chilly 46.6°F (8.1°C). December's average low-temperature reading settles at an icy 36.5°F (2.5°C).Humidity
The average relative humidity in December is 76%.Rainfall
In Charlotte Hall, during December, the rain falls for 10.6 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, there are 158.1 rainfall days, and 33.07" (840mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Charlotte Hall, during December, snow falls for 1.7 days and regularly aggregates up to 0.71" (18mm) of snow. Throughout the year, there are 10.6 snowfall days, and 5.51" (140mm) of snow is accumulated.Daylight
The month with the shortest days in Charlotte Hall is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:06 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:56 pm EST.
Sunshine
In December, the average sunshine in Charlotte Hall is 5.1h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 2 in December suggests the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the usual temperature for Charlotte Hall in December?
What is the average humidity in December in Charlotte Hall?
How many days does it rain in December in Charlotte Hall?
How many days does it snow in December in Charlotte Hall?
What is the month with the shortest days in Charlotte Hall?
How many hours of daylight does Charlotte Hall have in December?
What time are sunrise and sunset in December in Charlotte Hall?
How long on average sun shines in December in Charlotte Hall?
What are the months with the lowest UV index in Charlotte Hall?
What is the UV index reading in December in Charlotte Hall?
Average temperature in December
Charlotte Hall, MD
- Average high temperature in December: 46.6°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in December: 36.5°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in December
Charlotte Hall, MD
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Charlotte Hall, MD
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is March (9.2mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in December
Charlotte Hall, MD
- Average humidity in December: 76%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is January (72%).
Average rainfall in December
Charlotte Hall, MD
- Average rainfall in December: 2.13"
The wettest month (with the highest rainfall) is July (4.41").
The driest month (with the least rainfall) is January (1.81").
Average rainfall days in December
Charlotte Hall, MD
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is November (8 days).
Average snowfall in December
Charlotte Hall, MD
- Average snowfall in December: 0.71"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Charlotte Hall, MD
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Charlotte Hall, 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 0min).
Average sunshine days in December
Charlotte Hall, MD
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (11.3 days).
Average UV index in December
Charlotte Hall, 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
Charlotte Hall, 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 29).
Average visibility in December
Charlotte Hall, 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).
Charlotte Hall, Maryland, USA
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