December weather forecastStreet, MD
December
Weather in December
The first month of the winter, December, is also a frosty month in Street, Maryland, with temperature in the range of an average high of 43.9°F (6.6°C) and an average low of 32.2°F (0.1°C).Temperature
Onset of December witnesses a reduction in the average high-temperature, falling from a fresh 52.9°F (11.6°C) in November to a frosty 43.9°F (6.6°C). An average low-temperature of 32.2°F (0.1°C) is common during the nights of December.Humidity
The average relative humidity in December is 78%.Rainfall
In December, the rain falls for 10.5 days. Throughout December, 3.15" (80mm) of precipitation is accumulated. In Street, during the entire year, the rain falls for 170.1 days and collects up to 36.42" (925mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In December, in Street, it is snowing for 3.8 days. Throughout December, 1.42" (36mm) of snow is accumulated. In Street, during the entire year, snow falls for 21.9 days and aggregates up to 10.55" (268mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:07 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:51 pm EST.
Sunshine
In December, the average sunshine is 5.1h.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 reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Street, MD
- Average high temperature in December: 43.9°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: 32.2°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in December
Street, MD
- Average pressure in December: 30.1"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
Street, MD
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is March (9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Street, MD
- Average humidity in December: 78%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Street, MD
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is August (4.49").
The driest month (with the least rainfall) is January (2.36").
Average rainfall days in December
Street, MD
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Street, MD
- Average snowfall in December: 1.42"
The month with the highest snowfall is March (3.62").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Street, MD
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Street, MD
- Average daylight in December: 9h and 24min
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: 5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Street, MD
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (8.8 days).
Average UV index in December
Street, 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
Street, MD
- Average cloud cover in December: 46
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Street, 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).





