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
The beginning of December involves a decrease in the average high-temperature, transitioning from a fresh 50.7°F (10.4°C) in November to an icy 40.8°F (4.9°C). Ho-Ho-Kus, in December, witnesses an average low-temperature of 30.4°F (-0.9°C).Humidity
February and December, with an average relative humidity of 78%, are the most humid months in Ho-Ho-Kus.Rainfall
December is the month with the most rainfall. Rain falls for 10.6 days and accumulates 3.58" (91mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Ho-Ho-Kus, New Jersey, in December, snow falls for 4.5 days, with typically accumulated 2.05" (52mm) of snow. In Ho-Ho-Kus, during the entire year, snow falls for 28 days and aggregates up to 13.82" (351mm) of snow.Daylight
December has the shortest days of the year in Ho-Ho-Kus, 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 4:28 pm. On the last day of December, in Ho-Ho-Kus, sunrise is at 7:21 am and sunset at 4:38 pm EST.
Sunshine
The average sunshine in December in Ho-Ho-Kus 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 of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 2 in December transforms into this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Ho-Ho-Kus?
What is the most humid month in Ho-Ho-Kus?
What is the average humidity in December in Ho-Ho-Kus?
What is the rainiest month in Ho-Ho-Kus?
How much does it rain in Ho-Ho-Kus in December?
How many days does it snow in December in Ho-Ho-Kus?
What is the month with the shortest days in Ho-Ho-Kus?
What is the average length of the day in December in Ho-Ho-Kus?
When is the sunrise / sunset in December in Ho-Ho-Kus?
How many hours of sunshine does Ho-Ho-Kus have in December?
When is the lowest UV index in Ho-Ho-Kus?
How high is the UV index in December in Ho-Ho-Kus?
Average temperature in December
Ho-Ho-Kus, 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
Ho-Ho-Kus, 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
Ho-Ho-Kus, 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
Ho-Ho-Kus, 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
Ho-Ho-Kus, 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
Ho-Ho-Kus, 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
Ho-Ho-Kus, 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
Ho-Ho-Kus, 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
Ho-Ho-Kus, 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
Ho-Ho-Kus, 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
Ho-Ho-Kus, 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
Ho-Ho-Kus, 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
Ho-Ho-Kus, 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).
Ho-Ho-Kus, New Jersey, USA
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