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 brings a slight decrease in temperature, down from a mild 55.8°F (13.2°C) in November to a frosty 47.7°F (8.7°C). An average nighttime temperature of 36.1°F (2.3°C) is observed in Mardela Springs during December.Humidity
The average relative humidity in December in Mardela Springs is 78%.Rainfall
In December, in Mardela Springs, Maryland, the rain falls for 7.8 days. Throughout December, 0.87" (22mm) of precipitation is accumulated. In Mardela Springs, during the entire year, the rain falls for 113.9 days and collects up to 11.77" (299mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In December, it is snowing for 1.7 days. Throughout December, 0.28" (7mm) of snow is accumulated. In Mardela Springs, during the entire year, snow falls for 10 days and aggregates up to 1.81" (46mm) 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 the month, sunrise is at 7:02 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:20 am and sunset at 4:52 pm EST.
Sunshine
The average sunshine in December in Mardela Springs is 5.2h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Mardela Springs. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 during December translates into the following recommendations:
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 best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Boost your sun resistance with garments that are densely woven yet spacious. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What is the usual temperature for Mardela Springs in December?
What is the average humidity in December in Mardela Springs?
How many days does it rain in December in Mardela Springs?
How many days does it snow in December in Mardela Springs?
What is the month with the shortest days in Mardela Springs?
What is the average length of the day in December in Mardela Springs?
What time are sunrise and sunset in December in Mardela Springs?
How long on average sun shines in December in Mardela Springs?
What are the months with the lowest UV index in Mardela Springs?
What is the UV index intensity in December in Mardela Springs?
Average temperature in December
Mardela Springs, MD
- Average high temperature in December: 47.7°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (42.1°F).
- Average low temperature in December: 36.1°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in December
Mardela Springs, MD
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Mardela Springs, MD
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in December
Mardela Springs, MD
- Average humidity in December: 78%
The months with the highest relative humidity are May, August and September (80%).
The months with the lowest relative humidity are January, February, March and April (75%).
Average rainfall in December
Mardela Springs, MD
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is July (1.46").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in December
Mardela Springs, MD
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in December
Mardela Springs, MD
- Average snowfall in December: 0.28"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Mardela Springs, MD
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is January (3.2 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
Mardela Springs, 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: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in December
Mardela Springs, MD
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (14.7 days).
Average UV index in December
Mardela Springs, 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
Mardela Springs, MD
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Mardela Springs, 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).
Mardela Springs, Maryland, USA
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