December weather forecastGreat Meadows, NJ
December
Weather in December
The first month of the winter, December, is also a wintry month in Great Meadows, New Jersey, with temperature in the range of an average high of 40.1°F (4.5°C) and an average low of 28.4°F (-2°C).Temperature
The arrival of December signals a shift in temperature, down from a frosty 49.1°F (9.5°C) in November to a wintry 40.1°F (4.5°C). Throughout the nights in December, Great Meadows experiences an average low-temperature of 28.4°F (-2°C).Humidity
The months with the highest humidity are February, October and December, with an average relative humidity of 81%.Rainfall
In Great Meadows, in December, during 7.1 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Great Meadows, during the entire year, the rain falls for 106.9 days and collects up to 9.84" (250mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Great Meadows, in December, snow falls for 3.2 days, with typically accumulated 0.71" (18mm) of snow. Throughout the year, in Great Meadows, there are 21.7 snowfall days, and 3.94" (100mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 4:32 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:41 pm EST.
Sunshine
In Great Meadows, the average sunshine in December is 4.7h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 1 in December translates into this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. On your guard! Snow's reflection can almost 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
Great Meadows, NJ
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in December: 28.4°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in December
Great Meadows, NJ
- Average pressure in December: 30.08"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
Great Meadows, NJ
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Great Meadows, NJ
- Average humidity in December: 81%
The months with the highest relative humidity are February, October and December (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Great Meadows, NJ
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is July (1.18").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in December
Great Meadows, NJ
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is May (12.2 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in December
Great Meadows, NJ
- Average snowfall in December: 0.71"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Great Meadows, NJ
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Great Meadows, NJ
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 42min
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 30min).
Average sunshine days in December
Great Meadows, NJ
- Average sunshine days in December: 21.3 days
The month with the most sunshine days is January (21.5 days).
The month with the least sunshine days is May (15.4 days).
Average UV index in December
Great Meadows, NJ
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Great Meadows, NJ
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in December
Great Meadows, NJ
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August, September and October (5mi).
