December weather forecastSherwood, MD
December
Weather in December
The first month of the winter, December, is also a frosty month in Sherwood, Maryland, with an average temperature varying between 46.2°F (7.9°C) and 36.5°F (2.5°C).Temperature
The transition into December subtly indicates a reduction in the average high-temperature, down to a chilly 46.2°F (7.9°C) from November's fresh 54.5°F (12.5°C). An average low-temperature of 36.5°F (2.5°C) is noted during the month of December.Humidity
In December, the average relative humidity is 76%.Rainfall
In December, the rain falls for 11.1 days. Throughout December, 2.91" (74mm) of precipitation is accumulated. In Sherwood, during the entire year, the rain falls for 157 days and collects up to 32.91" (836mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Sherwood, in December, snow falls for 1.6 days, with typically accumulated 0.67" (17mm) of snow. In Sherwood, during the entire year, snow falls for 9.8 days and aggregates up to 3.82" (97mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:05 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:53 pm EST.
Sunshine
In December, the average sunshine is 5.3h.UV index
January 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 hazard from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 suggests this advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Observe! Snow reflection can nearly intensify 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
Sherwood, MD
- Average high temperature in December: 46.2°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 (40.5°F).
- Average low temperature in December: 36.5°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in December
Sherwood, MD
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Sherwood, MD
- Average wind speed in December: 9.2mph
The windiest months (with the highest average wind speed) are February and March (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Sherwood, MD
- Average humidity in December: 76%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (73%).
Average rainfall in December
Sherwood, MD
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in December
Sherwood, MD
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is May (17.2 days).
The months with the least rainy days are January and November (8.8 days).
Average snowfall in December
Sherwood, MD
- Average snowfall in December: 0.67"
The month with the highest snowfall is March (1.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Sherwood, MD
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is January (3.2 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
Sherwood, MD
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in December
Sherwood, MD
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is November (19.7 days).
The months with the least sunshine days are May and August (11.8 days).
Average UV index in December
Sherwood, 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 and December (UV index 2).
Average cloud cover in December
Sherwood, MD
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Sherwood, 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).





