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
Stepping into December, Antietam Manor observes a temperature decline, with the average high falling from November's fresh 51.6°F (10.9°C) to a cold 42.3°F (5.7°C). Antietam Manor, in the month of December, anticipates a consistent average low-temperature of 30.2°F (-1°C).Humidity
May, October and December, with an average relative humidity of 79%, are the most humid months in Antietam Manor.Rainfall
In Antietam Manor, in December, during 10.8 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, in Antietam Manor, there are 162.4 rainfall days, and 30.16" (766mm) of precipitation is accumulated.Snowfall
Months with snowfall in Antietam Manor are January through April, October through December. In Antietam Manor, Maryland, in December, during 4.5 snowfall days, 2.09" (53mm) of snow is typically accumulated. In Antietam Manor, during the entire year, snow falls for 24.4 days and aggregates up to 14.29" (363mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:12 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:57 pm EST.
Sunshine
In December, the average sunshine is 4.8h.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 estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
How cold is December in Antietam Manor?
What is the most humid month in Antietam Manor?
What is the average humidity in December in Antietam Manor?
How many days does it rain in December in Antietam Manor?
How much does it snow in Antietam Manor in December?
What is the month with the shortest days in Antietam Manor?
What is the average length of the day in December in Antietam Manor?
When are sunrise and sunset in December in Antietam Manor?
How many hours of sunshine does Antietam Manor have in December?
When is the lowest UV index in Antietam Manor?
What is the UV index intensity in December in Antietam Manor?
Average temperature in December
Antietam Manor, MD
- Average high temperature in December: 42.3°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Antietam Manor, 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
Antietam Manor, MD
- Average wind speed in December: 7mph
The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Antietam Manor, MD
- Average humidity in December: 79%
The months with the highest relative humidity are May, October and December (79%).
The month with the lowest relative humidity is July (74%).
Average rainfall in December
Antietam Manor, MD
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in December
Antietam Manor, MD
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in December
Antietam Manor, MD
- Average snowfall in December: 2.09"
The month with the highest snowfall is January (4.72").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Antietam Manor, MD
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Antietam Manor, MD
- Average daylight in December: 9h and 2min
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 24min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Antietam Manor, MD
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is April (11 days).
Average UV index in December
Antietam Manor, 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
Antietam Manor, MD
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Antietam Manor, MD
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
Antietam Manor, Maryland, USA
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