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
In Franklin Park, entering December brings a subtle temperature decrement, reducing from November's fresh 52.2°F (11.2°C) to a frosty 43.2°F (6.2°C). During December in Franklin Park, the average low-temperature is recorded at an icy 32.2°F (0.1°C).Humidity
February, May, October and December, with an average relative humidity of 77%, are the most humid months in Franklin Park.Rainfall
The month with the most rainfall is December, when the rain falls for 11.3 days and typically aggregates up to 3.11" (79mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Franklin Park, in December, snow falls for 3.7 days, with typically accumulated 1.46" (37mm) of snow. In Franklin Park, during the entire year, snow falls for 20.7 days and aggregates up to 9.33" (237mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:02 am and sunset at 4:32 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:41 pm EST.
Sunshine
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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended. 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
How cold is it in December?
What are the most humid months?
What is the average humidity in December?
What is the wettest month?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Franklin Park?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Franklin Park, NJ
- Average high temperature in December: 43.2°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in December: 32.2°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Franklin Park, 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
Franklin Park, NJ
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Franklin Park, 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
Franklin Park, NJ
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in December
Franklin Park, NJ
- Average rainfall days in December: 11.3 days
The months with the highest number of rainy days are May and June (16.2 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
Franklin Park, NJ
- Average snowfall in December: 1.46"
The month with the highest snowfall is March (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Franklin Park, NJ
- Average snowfall days in December: 3.7 days
The month with the highest number of snowfall days is February (6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Franklin Park, 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 18min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Franklin Park, NJ
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (12 days).
Average UV index in December
Franklin 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
Franklin Park, NJ
- Average cloud cover in December: 49
The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Franklin 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).
Franklin Park, New Jersey, USA
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