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
Mitchellville, Maryland, experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a fresh 54°F (12.2°C) in November to a frosty 45.5°F (7.5°C). Mitchellville's nights in December experience an average temperature drop to a wintry 34.5°F (1.4°C).Humidity
In Mitchellville, the average relative humidity in December is 76%.Rainfall
In December, the rain falls for 9.8 days. Throughout December, 2.68" (68mm) of precipitation is accumulated. In Mitchellville, during the entire year, the rain falls for 156.7 days and collects up to 31.81" (808mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Mitchellville, in December, snow falls for 2.4 days, with typically accumulated 0.63" (16mm) of snow. In Mitchellville, during the entire year, snow falls for 13.6 days and aggregates up to 6.73" (171mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:07 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:55 pm EST.
Sunshine
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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
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?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Mitchellville, MD
- Average high temperature in December: 45.5°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in December: 34.5°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°F).
Average pressure in December
Mitchellville, 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
Mitchellville, MD
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in December
Mitchellville, MD
- Average humidity in December: 76%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Mitchellville, MD
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in December
Mitchellville, MD
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in December
Mitchellville, MD
- Average snowfall in December: 0.63"
The month with the highest snowfall is January (2.36").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Mitchellville, MD
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is January (4.3 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
Mitchellville, 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
Mitchellville, MD
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in December
Mitchellville, 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
Mitchellville, 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
Mitchellville, 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).
Mitchellville, Maryland, USA
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