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
Libertyville's weather changes with the onset of December, slightly falling from a chilly 47.7°F (8.7°C) in November to a cold 35.2°F (1.8°C). December sees the temperature falling to a mean low of 24.1°F (-4.4°C).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, in December, during 6.5 snowfall days, 1.65" (42mm) of snow is typically accumulated. Throughout the year, in Libertyville, Iowa, there are 32.1 snowfall days, and 14.33" (364mm) of snow is accumulated.Daylight
December has the shortest days of the year in Libertyville, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:32 am and sunset at 4:50 pm CST.
Sunshine
In Libertyville, the average sunshine in December is 4.5h.UV index
In Libertyville, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is December in Libertyville?
What is the average humidity in December in Libertyville?
What is the driest month 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?
What is the average length of the day in December in Libertyville?
When are sunrise and sunset in December in Libertyville?
How long on average sun shines in December in Libertyville?
How high is the UV index in December in Libertyville?
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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