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 shift to December brings a decrease in the average high-temperature, falling from a chilly 45.5°F (7.5°C) in November to an icy 34°F (1.1°C). Schaumburg's nights in December cool down to an average low-temperature of 23.9°F (-4.5°C).Humidity
The average relative humidity in December is 81%.Rainfall
December is the month with the least rainfall. Rain falls for 7.9 days and accumulates 1.14" (29mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Schaumburg, in December, snow falls for 11.1 days, with typically accumulated 2.52" (64mm) of snow. In Schaumburg, during the entire year, snow falls for 48.9 days and aggregates up to 15.47" (393mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:21 pm. On the last day of December, sunrise is at 7:20 am and sunset at 4:30 pm CST.
Sunshine
In December, the average sunshine in Schaumburg is 4h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 1 in December leads to these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Keep in mind! Snow's reflective quality can nearly 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?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Schaumburg have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Schaumburg have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Schaumburg, IL
- Average high temperature in December: 34°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in December
Schaumburg, 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
Schaumburg, IL
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Schaumburg, IL
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Schaumburg, IL
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.14").
Average rainfall days in December
Schaumburg, IL
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in December
Schaumburg, IL
- Average snowfall in December: 2.52"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Schaumburg, IL
- Average snowfall days in December: 11.1 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Schaumburg, 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 month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Schaumburg, IL
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in December
Schaumburg, 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
Schaumburg, IL
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July, August and September (Cloud cover 33).
Average visibility in December
Schaumburg, 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).
Schaumburg, Illinois, USA
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