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 comes with a decrease in the average high-temperature, falling from a chilly 45.5°F (7.5°C) in November to a cold 34.7°F (1.5°C). During December, Schiller Park observes a consistent average nighttime temperature of 25.5°F (-3.6°C).Humidity
In December, the average relative humidity is 80%.Rainfall
December is the month with the least rainfall. Rain falls for 7.1 days and accumulates 0.91" (23mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Schiller Park, Illinois, during December, snow falls for 10.1 days and regularly aggregates up to 1.69" (43mm) of snow. Throughout the year, there are 44.8 snowfall days, and 12.83" (326mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of December in Schiller Park, 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 4:30 pm CST.
Sunshine
In December, the average sunshine is 4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December in Schiller Park?
What is the driest month?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Schiller Park have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Schiller Park, IL
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 25.5°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in December
Schiller Park, 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
Schiller Park, IL
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Schiller Park, IL
- Average humidity in December: 80%
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
Schiller Park, IL
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is December (0.91").
Average rainfall days in December
Schiller Park, IL
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Schiller Park, IL
- Average snowfall in December: 1.69"
The month with the highest snowfall is February (3.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Schiller Park, IL
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Schiller Park, 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 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Schiller Park, IL
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Schiller Park, 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
Schiller Park, 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 and August (Cloud cover 30).
Average visibility in December
Schiller Park, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Schiller Park, Illinois, USA
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