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 ushers in a slight temperature change, with average high-temperatures reducing from November's chilly 47.3°F (8.5°C) to an icy 36.1°F (2.3°C). December nights experience a consistent temperature drop to a subzero cold 25.9°F (-3.4°C).Humidity
In December, the average relative humidity is 81%.Rainfall
In Aroma Park, during December, the rain falls for 3.8 days and regularly aggregates up to 0.35" (9mm) of precipitation. In Aroma Park, during the entire year, the rain falls for 80.5 days and collects up to 6.22" (158mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Aroma Park. In Aroma Park, in December, during 4.5 snowfall days, 0.16" (4mm) of snow is typically accumulated. Throughout the year, there are 20.5 snowfall days, and 2.17" (55mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 6:57 am and sunset at 4:23 pm. On the last day of December, in Aroma Park, Illinois, sunrise is at 7:16 am and sunset at 4:32 pm CST.
Sunshine
In December, the average sunshine is 4.2h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Aroma Park. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 1 suggests this advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
How cold is it in Aroma Park in December?
What is the average humidity in December in Aroma Park?
How many days does it rain in December in Aroma Park?
How many days does it snow in December in Aroma Park?
What is the month with the shortest days in Aroma Park?
How many hours of daylight does Aroma Park have in December?
When are sunrise and sunset in December in Aroma Park?
How long on average sun shines in December in Aroma Park?
What are the months with the lowest UV index in Aroma Park?
What is the UV index intensity in December in Aroma Park?
Average temperature in December
Aroma Park, IL
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Aroma Park, IL
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Aroma Park, IL
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Aroma Park, IL
- Average humidity in December: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Aroma Park, IL
- Average rainfall in December: 0.35"
The wettest month (with the highest rainfall) is May (1.06").
The driest month (with the least rainfall) is November (0.28").
Average rainfall days in December
Aroma Park, IL
- Average rainfall days in December: 3.8 days
The month with the highest number of rainy days is May (11.4 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in December
Aroma Park, IL
- Average snowfall in December: 0.16"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Aroma Park, IL
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (5.8 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
Aroma Park, IL
- 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 1min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Aroma Park, IL
- Average sunshine days in December: 24.4 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is June (15.7 days).
Average UV index in December
Aroma Park, IL
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Aroma Park, IL
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in December
Aroma Park, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Aroma Park, Illinois, USA
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