December weather forecastWye Heights, MD
December
Weather in December
The first month of the winter, December, is also a frosty month in Wye Heights, Maryland, with an average temperature fluctuating between 36.1°F (2.3°C) and 46.8°F (8.2°C).Temperature
In December, the average high-temperature marginally drops from a fresh 54.5°F (12.5°C) in November to a chilly 46.8°F (8.2°C). An average low-temperature of 36.1°F (2.3°C) is noted during the month of December.Humidity
In December, the average relative humidity is 76%.Rainfall
In December, the rain falls for 8.6 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. In Wye Heights, during the entire year, the rain falls for 130 days and collects up to 15.04" (382mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Wye Heights, in December, during 1.5 snowfall days, 0.43" (11mm) of snow is typically accumulated. Throughout the year, in Wye Heights, there are 9.4 snowfall days, and 1.85" (47mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:04 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:52 pm EST.
Sunshine
The average sunshine in December in Wye Heights is 5.3h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Wye Heights, MD
- Average high temperature in December: 46.8°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 (40.6°F).
- Average low temperature in December: 36.1°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in December
Wye Heights, 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
Wye Heights, MD
- Average wind speed in December: 8.9mph
The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Wye Heights, 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
Wye Heights, MD
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in December
Wye Heights, MD
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in December
Wye Heights, MD
- Average snowfall in December: 0.43"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Wye Heights, MD
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is January (3 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
Wye Heights, 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
Wye Heights, MD
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is August (13 days).
Average UV index in December
Wye Heights, 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 and December (UV index 2).
Average cloud cover in December
Wye Heights, MD
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Wye Heights, 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).
