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
As November transitions into December, Park Ridge sees a drop in the average high-temperature, transitioning from a cool 50.7°F (10.4°C) to a wintry 40.8°F (4.9°C). An average minimum temperature of 30.4°F (-0.9°C) is recorded during the month of December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 78%.Rainfall
The month with the most rainfall is December, when the rain falls for 10.6 days and typically aggregates up to 3.58" (91mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 4.5 days. Throughout December, 2.05" (52mm) of snow is accumulated. Throughout the year, there are 28 snowfall days, and 13.82" (351mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:02 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:37 pm EST.
Sunshine
In Park Ridge, the average sunshine in December is 4.7h.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 estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during December?
What are the most humid months?
What is the average humidity in December?
What is the rainiest month?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days in Park Ridge?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Park Ridge, NJ
- Average high temperature in December: 40.8°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 30.4°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in December
Park Ridge, 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
Park Ridge, NJ
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Park Ridge, NJ
- Average humidity in December: 78%
The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Park Ridge, NJ
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Park Ridge, NJ
- Average rainfall days in December: 10.6 days
The months with the highest number of rainy days are May and July (16.8 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in December
Park Ridge, NJ
- Average snowfall in December: 2.05"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Park Ridge, NJ
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is February (7.9 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
Park Ridge, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Park Ridge, NJ
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in December
Park Ridge, 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
Park Ridge, NJ
- Average cloud cover in December: 49
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Park Ridge, NJ
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Park Ridge, New Jersey, USA
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