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 District Heights, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's cool 54.5°F (12.5°C) to a chilly 45.7°F (7.6°C). An average low-temperature of 34.7°F (1.5°C) marks the month of December.Humidity
In District Heights, the average relative humidity in December is 76%.Rainfall
In District Heights, during December, the rain falls for 11.1 days and regularly aggregates up to 2.68" (68mm) of precipitation. In District Heights, during the entire year, the rain falls for 164.8 days and collects up to 32.87" (835mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In District Heights, in December, during 2.5 snowfall days, 1.06" (27mm) of snow is typically accumulated. In District Heights, during the entire year, snow falls for 15.1 days and aggregates up to 8.5" (216mm) of snow.Daylight
December has the shortest days of the year in District Heights, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:07 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:55 pm EST.
Sunshine
In December, the average sunshine is 5.2h.UV index
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does District Heights have in December?
What is the month with the lowest UV index in District Heights?
What is the UV index reading in December?
Average temperature in December
District Heights, MD
- Average high temperature in December: 45.7°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in December
District 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 (29.94"Hg).
Average wind speed in December
District Heights, MD
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).
Average humidity in December
District Heights, MD
- Average humidity in December: 76%
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are January, March and April (72%).
Average rainfall in December
District Heights, MD
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in December
District Heights, MD
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
District Heights, MD
- Average snowfall in December: 1.06"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
District Heights, MD
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (4.6 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
District Heights, 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: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in December
District Heights, MD
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
District 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, November and December (UV index 2).
Average cloud cover in December
District Heights, MD
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
District Heights, 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).
District Heights, Maryland, USA
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