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
As December begins, there is a decrease in the average high-temperature, falling from a frosty 45.7°F (7.6°C) in November to a wintry 34.5°F (1.4°C). Oakbrook Terrace encounters an average low-temperature of 25°F (-3.9°C) during December nights.Humidity
In Oakbrook Terrace, the average relative humidity in December is 81%.Rainfall
December is the month with the least rainfall in Oakbrook Terrace. Rain falls for 7.5 days and accumulates 1.14" (29mm) of precipitation.Snowfall
Months with snowfall in Oakbrook Terrace, Illinois, are January through May, October through December. In Oakbrook Terrace, during December, snow falls for 10.4 days and regularly aggregates up to 2.48" (63mm) of snow. In Oakbrook Terrace, during the entire year, snow falls for 46.3 days and aggregates up to 14.25" (362mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:00 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:31 pm CST.
Sunshine
In December, the average sunshine in Oakbrook Terrace is 4h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Oakbrook Terrace, Illinois. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 1 in December leads to these guidelines:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
How cold is it in Oakbrook Terrace in December?
What is the average humidity in December in Oakbrook Terrace?
What is the driest month in Oakbrook Terrace?
How many days does it rain in December in Oakbrook Terrace?
How much does it snow in Oakbrook Terrace in December?
What is the month with the shortest days in Oakbrook Terrace?
What is the average length of the day in December in Oakbrook Terrace?
When are sunrise and sunset in December in Oakbrook Terrace?
How long on average sun shines in December in Oakbrook Terrace?
What are the months with the lowest UV index in Oakbrook Terrace?
How high is the UV index in December in Oakbrook Terrace?
Average temperature in December
Oakbrook Terrace, IL
- Average high temperature in December: 34.5°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in December: 25°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Oakbrook Terrace, IL
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Oakbrook Terrace, IL
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in December
Oakbrook Terrace, IL
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Oakbrook Terrace, IL
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (1.14").
Average rainfall days in December
Oakbrook Terrace, IL
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in December
Oakbrook Terrace, IL
- Average snowfall in December: 2.48"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Oakbrook Terrace, IL
- Average snowfall days in December: 10.4 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Oakbrook Terrace, IL
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Oakbrook Terrace, IL
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in December
Oakbrook Terrace, IL
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Oakbrook Terrace, IL
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Oakbrook Terrace, IL
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Oakbrook Terrace, Illinois, USA
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