December weather forecastLochearn, MD
December
Weather in December
The first month of the winter, December, is also a frosty month in Lochearn, Maryland, with an average temperature ranging between min 33.3°F (0.7°C) and max 43.9°F (6.6°C).Temperature
In Lochearn, the beginning of December is marked by a lowered average high-temperature, shifting from November's fresh 53.1°F (11.7°C) to a chilly 43.9°F (6.6°C). Throughout December, Lochearn registers a consistent average low-temperature of 33.3°F (0.7°C).Humidity
The average relative humidity in December is 76%.Rainfall
In Lochearn, in December, it is raining for 10.5 days, with typically 2.44" (62mm) of accumulated precipitation. In Lochearn, during the entire year, the rain falls for 160.6 days and collects up to 31.3" (795mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Lochearn, during December, snow falls for 3.5 days and regularly aggregates up to 1.3" (33mm) of snow. Throughout the year, there are 18.7 snowfall days, and 8.54" (217mm) of snow is accumulated.Daylight
The month with the shortest days in Lochearn is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:53 pm EST.
Sunshine
In Lochearn, the average sunshine in December is 5.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lochearn, MD
- Average high temperature in December: 43.9°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 33.3°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Lochearn, 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
Lochearn, MD
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in December
Lochearn, MD
- Average humidity in December: 76%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in December
Lochearn, MD
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is August (3.94").
The driest months (with the least rainfall) are January and February (2.01").
Average rainfall days in December
Lochearn, MD
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in December
Lochearn, MD
- Average snowfall in December: 1.3"
The month with the highest snowfall is March (2.72").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Lochearn, MD
- Average snowfall days in December: 3.5 days
The months with the highest number of snowfall days are January and February (5.3 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
Lochearn, 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 12min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Lochearn, MD
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in December
Lochearn, 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
Lochearn, 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
Lochearn, 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).
