December weather forecastSykesville, NJ
December
Weather in December
The first month of the winter, December, is still a chilly month in Sykesville, New Jersey, with temperature in the range of an average high of 44.2°F (6.8°C) and an average low of 32.7°F (0.4°C).Temperature
As Sykesville enters December, the average high-temperature subtly lowers from the a cool 52.7°F (11.5°C) of November to a frosty 44.2°F (6.8°C). An average temperature of 32.7°F (0.4°C) is recorded in Sykesville during the nights in December.Humidity
In December, the average relative humidity in Sykesville is 78%.Rainfall
The month with the most rainfall in Sykesville is December, when the rain falls for 10.9 days and typically aggregates up to 3.7" (94mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, in Sykesville, it is snowing for 3.6 days. Throughout December, 1.5" (38mm) of snow is accumulated. In Sykesville, New Jersey, during the entire year, snow falls for 19.6 days and aggregates up to 10.63" (270mm) 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 in Sykesville, sunrise is at 7:01 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:43 pm EST.
Sunshine
The average sunshine in December in Sykesville is 5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Sykesville. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sykesville, NJ
- Average high temperature in December: 44.2°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 (37.8°F).
- Average low temperature in December: 32.7°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 (25.2°F).
Average pressure in December
Sykesville, NJ
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Sykesville, NJ
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Sykesville, NJ
- Average humidity in December: 78%
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Sykesville, NJ
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Sykesville, NJ
- Average rainfall days in December: 10.9 days
The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is November (9 days).
Average snowfall in December
Sykesville, NJ
- Average snowfall in December: 1.5"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sykesville, NJ
- Average snowfall days in December: 3.6 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sykesville, NJ
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Sykesville, NJ
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in December
Sykesville, NJ
- 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
Sykesville, NJ
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Sykesville, NJ
- 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).
