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 commencement of December, Gerber Knoll records a moderate temperature decline, with the average high easing from November's cool 52.2°F (11.2°C) to a frosty 43.2°F (6.2°C). Gerber Knoll cools down to an average low-temperature of 31.3°F (-0.4°C) throughout the month of December.Humidity
In December, the average relative humidity in Gerber Knoll is 78%.Rainfall
In Gerber Knoll, during December, the rain falls for 9.1 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, there are 130.3 rainfall days, and 15.47" (393mm) of precipitation is accumulated.Snowfall
Months with snowfall in Gerber Knoll are January through April, November and December. In Gerber Knoll, in December, during 2.5 snowfall days, 0.47" (12mm) of snow is typically accumulated. In Gerber Knoll, Maryland, during the entire year, snow falls for 16 days and aggregates up to 4.13" (105mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Gerber Knoll.On the first day of the month, sunrise is at 7:09 am and sunset at 4:45 pm. On the last day of December, in Gerber Knoll, sunrise is at 7:27 am and sunset at 4:54 pm EST.
Sunshine
In Gerber Knoll, the average sunshine in December is 5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Gerber Knoll. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 2 in December translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
How cold does it get in Gerber Knoll in December?
What is the average humidity in December in Gerber Knoll?
How many days does it rain in December in Gerber Knoll?
How many days does it snow in December in Gerber Knoll?
What is the month with the shortest days in Gerber Knoll?
How many hours of daylight does Gerber Knoll have in December?
What time are sunrise and sunset in December in Gerber Knoll?
How long on average sun shines in December in Gerber Knoll?
What are the months with the lowest UV index in Gerber Knoll?
What is the UV index reading in December in Gerber Knoll?
Average temperature in December
Gerber Knoll, MD
- Average high temperature in December: 43.2°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 (37.6°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in December
Gerber Knoll, 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 (29.94"Hg).
Average wind speed in December
Gerber Knoll, MD
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Gerber Knoll, MD
- Average humidity in December: 78%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, April, July and November (75%).
Average rainfall in December
Gerber Knoll, MD
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in December
Gerber Knoll, MD
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is August (15.1 days).
The months with the least rainy days are January and February (6.8 days).
Average snowfall in December
Gerber Knoll, MD
- Average snowfall in December: 0.47"
The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Gerber Knoll, MD
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is February (4.9 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
Gerber Knoll, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Gerber Knoll, MD
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is May (12.9 days).
Average UV index in December
Gerber Knoll, 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
Gerber Knoll, MD
- Average cloud cover in December: 46
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Gerber Knoll, 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).
Gerber Knoll, Maryland, USA
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