December weather forecastParlin, NJ
December
Weather in December
The first month of the winter, December, is still a chilly month in Parlin, New Jersey, with an average temperature fluctuating between 43.3°F (6.3°C) and 32.7°F (0.4°C).Temperature
December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a fresh 52.2°F (11.2°C) in November to a frosty 43.3°F (6.3°C). In Parlin, December nights cool down to an average of 32.7°F (0.4°C).Humidity
February, May, October and December, with an average relative humidity of 77%, are the most humid months.Rainfall
In Parlin, New Jersey, in December, during 10.6 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, there are 154 rainfall days, and 30.75" (781mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In December, it is snowing for 3.1 days. Throughout December, 1.02" (26mm) of snow is accumulated. In Parlin, New Jersey, during the entire year, snow falls for 18.1 days and aggregates up to 8.35" (212mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December in Parlin, sunrise is at 7:01 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:40 pm EST.
Sunshine
In Parlin, the average sunshine in December is 4.9h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. 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 maximum daily UV index, 2 in December, converts into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Boost your sun resistance with garments that are densely woven yet spacious. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Parlin, NJ
- Average high temperature in December: 43.3°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in December
Parlin, 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
Parlin, NJ
- Average wind speed in December: 8.9mph
The windiest months (with the highest average wind speed) are January and March (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in December
Parlin, NJ
- Average humidity in December: 77%
The months with the highest relative humidity are February, May, October and December (77%).
The months with the lowest relative humidity are April and August (73%).
Average rainfall in December
Parlin, NJ
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Parlin, NJ
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is July (17.4 days).
The months with the least rainy days are January and November (8.5 days).
Average snowfall in December
Parlin, NJ
- Average snowfall in December: 1.02"
The month with the highest snowfall is March (3.82").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Parlin, NJ
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is February (5.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Parlin, NJ
- Average daylight in December: 9h and 18min
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 18min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Parlin, NJ
- Average sunshine days in December: 18 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in December
Parlin, 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, March, November and December (UV index 2).
Average cloud cover in December
Parlin, NJ
- Average cloud cover in December: 48
The months with the most cloud cover are February and December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in December
Parlin, 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).





