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's onset brings a negligible change in high-temperatures, falling from a cool 54.5°F (12.5°C) in November to a frosty 46.6°F (8.1°C). Waljacks Corners experiences a steady low-temperature of 35.8°F (2.1°C) throughout December.Humidity
In Waljacks Corners, the average relative humidity in December is 77%.Rainfall
In Waljacks Corners, in December, during 9.9 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Waljacks Corners, during the entire year, the rain falls for 154.5 days and collects up to 28.66" (728mm) of precipitation.Snowfall
Months with snowfall in Waljacks Corners are January through March, November and December. In Waljacks Corners, during December, snow falls for 1.3 days and regularly aggregates up to 0.55" (14mm) of snow. Throughout the year, in Waljacks Corners, there are 9.1 snowfall days, and 4.21" (107mm) of snow is accumulated.Daylight
The month with the shortest days in Waljacks Corners is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:42 pm. On the last day of December, in Waljacks Corners, sunrise is at 7:22 am and sunset at 4:51 pm EST.
Sunshine
In Waljacks Corners, Maryland, the average sunshine in December is 5.3h.UV index
The months with the lowest UV index in Waljacks Corners are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 2 during December leads to these instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Enhance your sun protection with tightly woven, yet airy clothing. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What is the usual temperature for Waljacks Corners in December?
What is the average humidity in December in Waljacks Corners?
How many days does it rain in December in Waljacks Corners?
How many days does it snow in December in Waljacks Corners?
What is the month with the shortest days in Waljacks Corners?
What is the average length of the day in December in Waljacks Corners?
What time are sunrise and sunset in December in Waljacks Corners?
How long on average sun shines in December in Waljacks Corners?
What is the month with the lowest UV index in Waljacks Corners?
How high is the UV index in December in Waljacks Corners?
Average temperature in December
Waljacks Corners, MD
- Average high temperature in December: 46.6°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in December: 35.8°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in December
Waljacks Corners, MD
- Average pressure in December: 30.1"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
Waljacks Corners, MD
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Waljacks Corners, MD
- Average humidity in December: 77%
The months with the highest relative humidity are May and August (79%).
The month with the lowest relative humidity is January (73%).
Average rainfall in December
Waljacks Corners, MD
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is January (1.69").
Average rainfall days in December
Waljacks Corners, MD
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in December
Waljacks Corners, MD
- Average snowfall in December: 0.55"
The month with the highest snowfall is January (1.5").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Waljacks Corners, MD
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is January (3.3 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
Waljacks Corners, 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 2min
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
Waljacks Corners, MD
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in December
Waljacks Corners, 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
Waljacks Corners, 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
Waljacks Corners, 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).
Waljacks Corners, Maryland, USA
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