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 Libertyville's weather is observed as November turns into December, with the average high temperature reducing from a chilly 47.7°F (8.7°C) to a wintry 35.2°F (1.8°C). Libertyville reports a consistent average low-temperature of 24.1°F (-4.4°C) throughout December nights.Humidity
In Libertyville, the average relative humidity in December is 79%.Rainfall
January and December are months with the least rain when the rain falls for 7.1 days and typically aggregates up to 1.18" (30mm) of rain.Snowfall
January through April, October through December are months with snowfall. In Libertyville, during December, snow falls for 6.5 days and regularly aggregates up to 1.65" (42mm) of snow. Throughout the year, there are 32.1 snowfall days, and 14.33" (364mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:14 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:50 pm CST.
Sunshine
In December, the average sunshine is 4.5h.UV index
In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Consider carefully! The reflective quality of 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 is the average humidity in December?
What is the driest month in Libertyville?
How many days does it rain in December in Libertyville?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Libertyville have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Libertyville have in December?
How high is the UV index in December?
Average temperature in December
Libertyville, IA
- Average high temperature in December: 35.2°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in December: 24.1°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in December
Libertyville, IA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Libertyville, IA
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Libertyville, IA
- Average humidity in December: 79%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Libertyville, IA
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and December (1.18").
Average rainfall days in December
Libertyville, IA
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in December
Libertyville, IA
- Average snowfall in December: 1.65"
The months with the highest snowfall are January and February (4.33").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Libertyville, IA
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is January (10.3 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
Libertyville, IA
- 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Libertyville, IA
- Average sunshine days in December: 18 days
The months with the most sunshine days are October and November (18.8 days).
The month with the least sunshine days is May (11 days).
Average UV index in December
Libertyville, IA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Libertyville, IA
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in December
Libertyville, IA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Libertyville, Iowa, USA
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