December weather forecastMagnolia, NJ
December
Weather in December
December, the first month of the winter in Magnolia, is also a frosty month, with an average temperature varying between 44.2°F (6.8°C) and 33.1°F (0.6°C).Temperature
Transition into December marks a drop in the average high-temperature, moving from a cool 53.6°F (12°C) in November to a chilly 44.2°F (6.8°C). An average minimum temperature of 33.1°F (0.6°C) is recorded in Magnolia during the month of December.Humidity
In Magnolia, the average relative humidity in December is 76%.Rainfall
In Magnolia, in December, it is raining for 7.3 days, with typically 1.26" (32mm) of accumulated precipitation. In Magnolia, during the entire year, the rain falls for 117 days and collects up to 12.13" (308mm) of precipitation.Snowfall
January through March, May, November and December are months with snowfall. In Magnolia, in December, snow falls for 2 days, with typically accumulated 0.24" (6mm) of snow. Throughout the year, there are 11.4 snowfall days, and 3.11" (79mm) of snow is accumulated.Daylight
December has the shortest days of the year in Magnolia, New Jersey, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:02 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:45 pm EST.
Sunshine
In December, the average sunshine is 5.1h.UV index
January, February, November 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 low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Magnolia, NJ
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 33.1°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Magnolia, NJ
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Magnolia, NJ
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Magnolia, NJ
- Average humidity in December: 76%
The month with the highest relative humidity is October (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Magnolia, NJ
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is August (1.38").
The driest months (with the least rainfall) are January and September (0.67").
Average rainfall days in December
Magnolia, NJ
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in December
Magnolia, NJ
- Average snowfall in December: 0.24"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in December
Magnolia, NJ
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Magnolia, 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 6min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Magnolia, NJ
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (14.3 days).
Average UV index in December
Magnolia, 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
Magnolia, NJ
- Average cloud cover in December: 46
The months with the most cloud cover are February and March (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in December
Magnolia, 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).





