December weather forecastLongport, NJ
December
Weather in December
The first month of the winter, December, is also a frosty month in Longport, New Jersey, with temperature in the range of an average high of 46.2°F (7.9°C) and an average low of 38.3°F (3.5°C).Temperature
Longport records a mild change in average high-temperature during December, easing from a fresh 54.1°F (12.3°C) in November to a frosty 46.2°F (7.9°C). Longport's nights in December maintain a consistent average of 38.3°F (3.5°C), demonstrating a minimal differential from its daytime temperature.Humidity
In December, the average relative humidity is 75%.Rainfall
In Longport, during December, the rain falls for 6.7 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Longport, during the entire year, the rain falls for 104.9 days and collects up to 7.48" (190mm) of precipitation.Snowfall
January through March, May and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 1.7 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 8 snowfall days, and 0.63" (16mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Longport, New Jersey.On the first day of the month, sunrise is at 6:59 am and sunset at 4:35 pm. On the last day of December, in Longport, New Jersey, sunrise is at 7:17 am and sunset at 4:45 pm EST.
Sunshine
The average sunshine in December is 5.2h.UV index
January, February 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 unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 2 in December translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Consider this! The reflection from snow 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
Longport, NJ
- Average high temperature in December: 46.2°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in December: 38.3°F
The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in December
Longport, 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 (29.94"Hg).
Average wind speed in December
Longport, NJ
- Average wind speed in December: 11.9mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in December
Longport, NJ
- Average humidity in December: 75%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall in December
Longport, NJ
- Average rainfall in December: 0.71"
The wettest months (with the highest rainfall) are May and August (0.79").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in December
Longport, NJ
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is November (5.7 days).
Average snowfall in December
Longport, NJ
- Average snowfall in December: 0.08"
The months with the highest snowfall are January and February (0.2").
The months with the least snowfall are April, June, July, August, September, October and November (0").
Average snowfall days in December
Longport, NJ
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is February (2.7 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
Longport, NJ
- Average daylight in December: 9h and 30min
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 30min).
- Average sunshine in December: 5h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Longport, NJ
- Average sunshine days in December: 22.2 days
The month with the most sunshine days is January (22.9 days).
The month with the least sunshine days is July (15.1 days).
Average UV index in December
Longport, 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 and December (UV index 2).
Average cloud cover in December
Longport, NJ
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Longport, 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).
