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 onset of December results in a small decrease in the average high-temperature, moderately receding from a cool 54.1°F (12.3°C) in November to a chilly 45.5°F (7.5°C). The nighttime temperature in Landover Hills, during December, averages of 34.3°F (1.3°C).Humidity
May, October and December, with an average relative humidity of 76%, are the most humid months.Rainfall
In Landover Hills, in December, it is raining for 9.8 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, in Landover Hills, there are 157.9 rainfall days, and 31.14" (791mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April and December. December is the first month it typically snows in Landover Hills, Maryland. Throughout December, in the average 2.4 snowfall days, it receives 0.67" (17mm) of snow. In Landover Hills, during the entire year, snow falls for 13.5 days and aggregates up to 7.2" (183mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December in Landover Hills, sunrise is at 7:07 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:55 pm EST.
Sunshine
In Landover Hills, the average sunshine in December 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 hazard from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
What is the average December temperature in Landover Hills?
What are the most humid months in Landover Hills?
What is the average humidity in December in Landover Hills?
How many days does it rain in December in Landover Hills?
When does it start to snow in Landover Hills?
What is the month with the shortest days in Landover Hills?
How many hours of daylight does Landover Hills have in December?
When is the sunrise / sunset in December in Landover Hills?
How long on average sun shines in December in Landover Hills?
What are the months with the lowest UV index in Landover Hills?
What is the UV index reading in December in Landover Hills?
Average temperature in December
Landover Hills, MD
- Average high temperature in December: 45.5°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in December: 34.3°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in December
Landover Hills, 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 (29.94"Hg).
Average wind speed in December
Landover Hills, MD
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Landover Hills, MD
- Average humidity in December: 76%
The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).
Average rainfall in December
Landover Hills, MD
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days in December
Landover Hills, MD
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (9 days).
Average snowfall in December
Landover Hills, MD
- Average snowfall in December: 0.67"
The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in December
Landover Hills, MD
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is January (4.1 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
Landover Hills, 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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Landover Hills, MD
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in December
Landover Hills, 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
Landover Hills, MD
- Average cloud cover in December: 45
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
Landover Hills, 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).
Landover Hills, Maryland, USA
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