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
The advent of December brings a subtle shift in temperature, with the average high moving from a fresh 53.1°F (11.7°C) in November to a frosty 44.2°F (6.8°C). Throughout the month of December, Germantown Park reports a steady low-temperature average of 31.8°F (-0.1°C).Humidity
The months with the highest humidity are October and December, with an average relative humidity of 78%.Rainfall
In Germantown Park, during December, the rain falls for 10.5 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Germantown Park, during the entire year, the rain falls for 159.4 days and collects up to 30.71" (780mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Germantown Park, in December, during 3 snowfall days, 1.57" (40mm) of snow is typically accumulated. In Germantown Park, Maryland, during the entire year, snow falls for 19.1 days and aggregates up to 10.04" (255mm) of snow.Daylight
The month with the shortest days in Germantown Park is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:09 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:56 pm EST.
Sunshine
The average sunshine in December in Germantown Park 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 value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
Is it cold in Germantown Park during December?
What are the most humid months in Germantown Park?
What is the average humidity in December in Germantown Park?
How many days does it rain in December in Germantown Park?
How many days does it snow in December in Germantown Park?
What is the month with the shortest days in Germantown Park?
What is the average length of the day in December in Germantown Park?
When is the sunrise / sunset in December in Germantown Park?
How long on average sun shines in December in Germantown Park?
What is the month with the lowest UV index in Germantown Park?
How high is the UV index in December in Germantown Park?
Average temperature in December
Germantown Park, MD
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Germantown Park, 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 (29.95"Hg).
Average wind speed in December
Germantown Park, MD
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Germantown Park, MD
- Average humidity in December: 78%
The months with the highest relative humidity are October and December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in December
Germantown Park, MD
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is August (3.78").
The driest months (with the least rainfall) are January and February (1.97").
Average rainfall days in December
Germantown Park, MD
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (17.5 days).
The months with the least rainy days are January and November (9.5 days).
Average snowfall in December
Germantown Park, MD
- Average snowfall in December: 1.57"
The month with the highest snowfall is March (2.83").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Germantown Park, MD
- Average snowfall days in December: 3 days
The months with the highest number of snowfall days are January and February (5.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Germantown Park, 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 January (Average sunshine: 5h and 0min).
Average sunshine days in December
Germantown Park, 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 July (11.3 days).
Average UV index in December
Germantown Park, 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
Germantown Park, 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 30).
Average visibility in December
Germantown Park, MD
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Germantown Park, Maryland, USA
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