December weather forecastWestcliffe Manor, MD
December
Weather in December
The first month of the winter, December, is also a frosty month in Westcliffe Manor, Maryland, with an average temperature fluctuating between 31.3°F (-0.4°C) and 43.2°F (6.2°C).Temperature
The start of December involves a subtle temperature drop, shifting from a cool 52.2°F (11.2°C) in November to a chilly 43.2°F (6.2°C). Westcliffe Manor's temperature drops to an average low of 31.3°F (-0.4°C) during the nights of December.Humidity
In December, the average relative humidity is 78%.Rainfall
In Westcliffe Manor, in December, during 9.1 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Westcliffe Manor, during the entire year, the rain falls for 130.3 days and collects up to 15.47" (393mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Westcliffe Manor, in December, during 2.5 snowfall days, 0.47" (12mm) of snow is typically accumulated. In Westcliffe Manor, 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.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, sunrise is at 7:27 am and sunset at 4:54 pm EST.
Sunshine
In December, the average sunshine in Westcliffe Manor is 5h.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 of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Westcliffe Manor, 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
Westcliffe 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 (29.94"Hg).
Average wind speed in December
Westcliffe Manor, 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
Westcliffe Manor, 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
Westcliffe Manor, 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
Westcliffe Manor, 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
Westcliffe Manor, 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
Westcliffe Manor, 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
Westcliffe Manor, MD
- Average daylight in December: 9h and 30min
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
Westcliffe Manor, 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
Westcliffe 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
Westcliffe Manor, 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
Westcliffe Manor, 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).
