Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
A minor decrease in the average high-temperature is observed during December, shifting from a fresh 52.7°F (11.5°C) in November to a chilly 44.1°F (6.7°C). Gloucester City's nighttime temperature in December drops to an average of 32.9°F (0.5°C).Humidity
In Gloucester City, New Jersey, the average relative humidity in December is 76%.Rainfall
In December, in Gloucester City, the rain falls for 7.5 days. Throughout December, 1.18" (30mm) of precipitation is accumulated. In Gloucester City, New Jersey, during the entire year, the rain falls for 127.8 days and collects up to 13.82" (351mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Gloucester City. In Gloucester City, New Jersey, during December, snow falls for 1.6 days and regularly aggregates up to 0.2" (5mm) of snow. In Gloucester City, during the entire year, snow falls for 11.4 days and aggregates up to 2.87" (73mm) of snow.Daylight
The month with the shortest days in Gloucester City is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:03 am and sunset at 4:36 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 5h.UV index
The months with the lowest UV index in Gloucester City are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Gloucester City?
What is the average humidity in December in Gloucester City?
How much does it rain in Gloucester City in December?
How much does it snow in Gloucester City in December?
What is the month with the shortest days in Gloucester City?
What is the average length of the day in December in Gloucester City?
When are sunrise and sunset in December in Gloucester City?
How many hours of sunshine does Gloucester City have in December?
What is the month with the lowest UV index in Gloucester City?
How high is the UV index in December in Gloucester City?
Average temperature in December
Gloucester City, NJ
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in December: 32.9°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 (25.5°F).
Average pressure in December
Gloucester City, 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
Gloucester City, NJ
- Average wind speed in December: 7.7mph
The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Gloucester City, NJ
- Average humidity in December: 76%
The month with the highest relative humidity is October (77%).
The months with the lowest relative humidity are April and August (71%).
Average rainfall in December
Gloucester City, NJ
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is August (1.65").
The driest months (with the least rainfall) are January and February (0.83").
Average rainfall days in December
Gloucester City, NJ
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in December
Gloucester City, NJ
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Gloucester City, NJ
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is January (3.8 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
Gloucester City, NJ
- Average daylight in December: 9h and 2min
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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Gloucester City, NJ
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is December (20.9 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in December
Gloucester City, 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
Gloucester City, NJ
- Average cloud cover in December: 46
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Gloucester City, 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).
Gloucester City, New Jersey, USA
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