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
Arrival of December comes with a reduction in the average high-temperature, falling from a cool 51.1°F (10.6°C) in November to a wintry 42.1°F (5.6°C). In Cliffside Park, an average nighttime temperature of 32.7°F (0.4°C) is expected during December.Humidity
In Cliffside Park, New Jersey, the average relative humidity in December is 75%.Rainfall
In December, the rain falls for 8.5 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. In Cliffside Park, New Jersey, during the entire year, the rain falls for 112.4 days and collects up to 10.2" (259mm) of precipitation.Snowfall
Months with snowfall in Cliffside Park are January through March, November and December. The months with the most snowfall in Cliffside Park are February, March and December, with an average 0.47" (12mm) of accumulated snow.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 7:01 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:20 am and sunset at 4:38 pm EST.
Sunshine
In December, the average sunshine in Cliffside Park is 4.9h.UV index
The months with the lowest UV index in Cliffside Park, New Jersey, are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Cliffside Park during December?
What is the average humidity in December in Cliffside Park?
How many days does it rain in December in Cliffside Park?
What is the snowiest month in Cliffside Park?
How much does it snow in Cliffside Park in December?
What is the month with the shortest days in Cliffside Park?
What is the average length of the day in December in Cliffside Park?
When are sunrise and sunset in December in Cliffside Park?
How many hours of sunshine does Cliffside Park have in December?
What is the month with the lowest UV index in Cliffside Park?
What is the UV index reading in December in Cliffside Park?
Average temperature in December
Cliffside Park, NJ
- Average high temperature in December: 42.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in December: 32.7°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 (25.7°F).
Average pressure in December
Cliffside Park, NJ
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Cliffside Park, NJ
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in December
Cliffside Park, NJ
- Average humidity in December: 75%
The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Cliffside Park, NJ
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in December
Cliffside Park, NJ
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is July (12.3 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in December
Cliffside Park, NJ
- Average snowfall in December: 0.47"
The months with the highest snowfall are February, March and December (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Cliffside Park, NJ
- Average snowfall days in December: 2.9 days
The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Cliffside Park, NJ
- Average daylight in December: 9h and 2min
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 5min
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
Cliffside Park, NJ
- Average sunshine days in December: 19.6 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is June (16.1 days).
Average UV index in December
Cliffside Park, NJ
- Average UV index in December: 2
The months with the highest UV index are 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
Cliffside Park, NJ
- Average cloud cover in December: 47
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Cliffside Park, 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).
Cliffside Park, New Jersey, USA
Weather forecast for your location
2. Allow the app to use your location