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 transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a chilly 48.4°F (9.1°C) in November to a cold 38.3°F (3.5°C). During the month of December, Libertyville anticipates a mean low-temperature of 26.8°F (-2.9°C).Humidity
The months with the highest humidity in Libertyville are February, October and December, with an average relative humidity of 82%.Rainfall
In December, in Libertyville, New Jersey, the rain falls for 11.5 days. Throughout December, 2.99" (76mm) of precipitation is accumulated. Throughout the year, in Libertyville, there are 165.2 rainfall days, and 31.57" (802mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, in Libertyville, it is snowing for 6.6 days. Throughout December, 3.27" (83mm) of snow is accumulated. In Libertyville, during the entire year, snow falls for 37.1 days and aggregates up to 19.92" (506mm) of snow.Daylight
December has the shortest days of the year in Libertyville, New Jersey, with an average of 9h and 18min of daylight.On the first day of December in Libertyville, sunrise is at 7:05 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:39 pm EST.
Sunshine
The average sunshine in December in Libertyville, New Jersey, is 4.6h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 1 in December translates into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. 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 does it get in Libertyville in December?
What is the most humid month in Libertyville?
What is the average humidity in December in Libertyville?
How much does it rain in Libertyville in December?
How many days does it snow in December in Libertyville?
What is the month with the shortest days in Libertyville?
How many hours of daylight does Libertyville have in December?
What time are sunrise and sunset in December in Libertyville?
How long on average sun shines in December in Libertyville?
When is the lowest UV index in Libertyville?
What is the UV index reading in December in Libertyville?
Average temperature in December
Libertyville, NJ
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in December: 26.8°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Libertyville, 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
Libertyville, NJ
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Libertyville, NJ
- Average humidity in December: 82%
The months with the highest relative humidity are February, October and December (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Libertyville, NJ
- Average rainfall in December: 2.99"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Libertyville, NJ
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Libertyville, NJ
- Average snowfall in December: 3.27"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Libertyville, NJ
- Average snowfall days in December: 6.6 days
The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Libertyville, 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 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Libertyville, NJ
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in December
Libertyville, NJ
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Libertyville, NJ
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Libertyville, NJ
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Libertyville, New Jersey, USA
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