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
With the onset of December, Middle River's average high-temperature slightly adjusts, moderately receding from November's fresh 53.2°F (11.8°C) to a frosty 44.8°F (7.1°C). During December, Middle River consistently records a temperature low averaging a cold 33.4°F (0.8°C).Humidity
In Middle River, the average relative humidity in December is 77%.Rainfall
In Middle River, in December, it is raining for 9.9 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, there are 156.8 rainfall days, and 30.67" (779mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Middle River, during December, snow falls for 1.7 days and regularly aggregates up to 0.71" (18mm) of snow. Throughout the year, there are 11.3 snowfall days, and 5.55" (141mm) of snow is accumulated.Daylight
December has the shortest days of the year in Middle River, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:07 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:52 pm EST.
Sunshine
In December, the average sunshine is 5.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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 much does it rain in December?
How much does it snow in Middle River in December?
What is the month with the shortest days?
How many hours of daylight does Middle River have in December?
What time are sunrise and sunset in December in Middle River?
How long on average sun shines in December in Middle River?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Middle River, MD
- Average high temperature in December: 44.8°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in December: 33.4°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in December
Middle River, 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 (29.94"Hg).
Average wind speed in December
Middle River, MD
- Average wind speed in December: 8.5mph
The windiest months (with the highest average wind speed) are January, February and March (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Middle River, MD
- Average humidity in December: 77%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Middle River, MD
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in December
Middle River, MD
- Average rainfall days in December: 9.9 days
The months with the highest number of rainy days are May and July (17.6 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in December
Middle River, 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
Middle River, MD
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is January (3.8 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
Middle River, 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: 5h and 0min).
Average sunshine days in December
Middle River, MD
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Middle River, 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
Middle River, MD
- Average cloud cover in December: 44
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Middle River, 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).
Middle River, Maryland, USA
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