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
December's arrival subtly correlates with a reduction in the average high-temperature, down from a fresh 52.7°F (11.5°C) in November to a chilly 44.6°F (7°C). During the month of December, an average temperature of 34.3°F (1.3°C) is noted during the nights.Humidity
In December, the average relative humidity in Leisure Knoll, New Jersey, is 78%.Rainfall
In Leisure Knoll, in December, it is raining for 8.1 days, with typically 1.06" (27mm) of accumulated precipitation. In Leisure Knoll, during the entire year, the rain falls for 114.4 days and collects up to 10.28" (261mm) of precipitation.Snowfall
Months with snowfall in Leisure Knoll are January through March, November and December. In Leisure Knoll, during December, snow falls for 2.2 days and regularly aggregates up to 0.59" (15mm) of snow. In Leisure Knoll, during the entire year, snow falls for 12.4 days and aggregates up to 2.36" (60mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:00 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:42 pm EST.
Sunshine
In Leisure Knoll, the average sunshine in December is 5.1h.UV index
January, February, 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 low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
How cold is December in Leisure Knoll?
What is the average humidity in December in Leisure Knoll?
How many days does it rain in December in Leisure Knoll?
How much does it snow in Leisure Knoll in December?
What is the month with the shortest days in Leisure Knoll?
How many hours of daylight does Leisure Knoll have in December?
When are sunrise and sunset in December in Leisure Knoll?
How long on average sun shines in December in Leisure Knoll?
What is the month with the lowest UV index in Leisure Knoll?
How high is the UV index in December in Leisure Knoll?
Average temperature in December
Leisure Knoll, NJ
- Average high temperature in December: 44.6°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 34.3°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in December
Leisure Knoll, 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
Leisure Knoll, NJ
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is March (10mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Leisure Knoll, NJ
- Average humidity in December: 78%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Leisure Knoll, NJ
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is July (1.38").
The driest months (with the least rainfall) are January and September (0.55").
Average rainfall days in December
Leisure Knoll, NJ
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in December
Leisure Knoll, NJ
- Average snowfall in December: 0.59"
The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Leisure Knoll, NJ
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is January (3.7 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
Leisure Knoll, 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 24min).
- Average sunshine in December: 5h and 1min
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
Leisure Knoll, NJ
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (14.1 days).
Average UV index in December
Leisure Knoll, 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, November and December (UV index 2).
Average cloud cover in December
Leisure Knoll, NJ
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in December
Leisure Knoll, 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).
Leisure Knoll, New Jersey, USA
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