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 shift in the average high-temperature occurs in December, reducing from a fresh 50.9°F (10.5°C) in November to an icy 41.2°F (5.1°C). An average nighttime temperature of 30.9°F (-0.6°C) is observed during December.Humidity
February and December, with an average relative humidity of 78%, are the most humid months.Rainfall
The wettest months are July and December, with an average 3.07" (78mm) of rainfall.Snowfall
January through May, October through December are months with snowfall in Prospect Park. In Prospect Park, in December, snow falls for 4 days, with typically accumulated 1.54" (39mm) of snow. In Prospect Park, during the entire year, snow falls for 24.9 days and aggregates up to 10.04" (255mm) of snow.Daylight
The month with the shortest days in Prospect Park is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:29 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:38 pm EST.
Sunshine
The average sunshine in December in Prospect Park, New Jersey, is 4.8h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is December in Prospect Park?
What are the most humid months in Prospect Park?
What is the average humidity in December in Prospect Park?
What is the rainiest month in Prospect Park?
How many days does it rain in December in Prospect Park?
How much does it snow in Prospect Park in December?
What is the month with the shortest days in Prospect Park?
What is the average length of the day in December in Prospect Park?
When is the sunrise / sunset in December in Prospect Park?
How long on average sun shines in December in Prospect Park?
When is the lowest UV index in Prospect Park?
What is the UV index reading in December in Prospect Park?
Average temperature in December
Prospect Park, NJ
- Average high temperature in December: 41.2°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 30.9°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Prospect Park, NJ
- Average pressure in December: 30.07"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
Prospect Park, NJ
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in December
Prospect Park, NJ
- Average humidity in December: 78%
The months with the highest relative humidity are February and December (78%).
The months with the lowest relative humidity are April, July and August (72%).
Average rainfall in December
Prospect Park, NJ
- Average rainfall in December: 3.07"
The wettest months (with the highest rainfall) are July and December (3.07").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Prospect Park, NJ
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is June (17 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in December
Prospect Park, NJ
- Average snowfall in December: 1.54"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Prospect Park, NJ
- Average snowfall days in December: 4 days
The month with the highest number of snowfall days is February (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Prospect 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Prospect Park, NJ
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in December
Prospect 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
Prospect Park, NJ
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Prospect Park, 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).
Prospect Park, New Jersey, USA
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