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
December witnesses a gentle descent in average high-temperature, descending from November's fresh 53.2°F (11.8°C) to a frosty 44.8°F (7.1°C). An average nighttime temperature of 33.4°F (0.8°C) is recorded during December.Humidity
In December, the average relative humidity is 77%.Rainfall
In December, in Middle River, the rain falls for 9.9 days. Throughout December, 2.4" (61mm) of precipitation is accumulated. In Middle River, during the entire year, the rain falls for 156.8 days and collects up to 30.67" (779mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Middle River, in December, snow falls for 1.7 days, with typically accumulated 0.71" (18mm) of snow. Throughout the year, in Middle River, there are 11.3 snowfall days, and 5.55" (141mm) of snow is accumulated.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 4:42 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:52 pm EST.
Sunshine
In Middle River, the average sunshine in December is 5.2h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What is the average December temperature in Middle River?
What is the average humidity in December in Middle River?
How many days does it rain in December in Middle River?
How many days does it snow in December in Middle River?
What is the month with the shortest days in Middle River?
What is the average length of the day in December in Middle River?
When is the sunrise / sunset in December in Middle River?
How long on average sun shines in December in Middle River?
What are the months with the lowest UV index in Middle River?
How high is the UV index in December in Middle River?
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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