December weather forecastSkokie, IL
December
Weather in December
December in Skokie is defined by the majesty of the winter season. The arrival of consistent snowfall brings a charming white landscape to the city. With a low temperature of only 27.1°F (-2.7°C) in December, it is the beginning of the coldest period of the year. Citizens often enjoy winter pastimes, including cozy indoor festivities and outdoor fun in the snow. To summarize, the weather in December carries the winter spirit, marked by cold temperatures and substantial snowfall.Temperature
The onset of December results in a decrease in the average high-temperature, receding from a frosty 45.7°F (7.6°C) in November to a wintry 35.1°F (1.7°C). In December, a low-temperature average of 27.1°F (-2.7°C) is characteristic of Skokie, marking a minor shift from daytime temperatures.Humidity
The average relative humidity in December is 80%.Rainfall
The month with the least rainfall in Skokie is December, when the rain falls for 6.8 days and typically collects 0.94" (24mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Skokie, in December, during 9.4 snowfall days, 1.54" (39mm) of snow is typically accumulated. In Skokie, Illinois, during the entire year, snow falls for 41.4 days and aggregates up to 9.65" (245mm) 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 the month, sunrise is at 7:00 am and sunset at 4:20 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:29 pm CST.
Sunshine
The average sunshine in December is 4h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Skokie. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 1 during December leads to these instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Skokie, IL
- Average high temperature in December: 35.1°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in December: 27.1°F
The months with the highest average low temperature are July and August (67.6°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Skokie, IL
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Skokie, IL
- Average wind speed in December: 11.4mph
The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest months (with the lowest average wind speed) are July and August (7.7mph).
Average humidity in December
Skokie, IL
- Average humidity in December: 80%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Skokie, IL
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is June (3.5").
The driest month (with the least rainfall) is December (0.94").
Average rainfall days in December
Skokie, IL
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in December
Skokie, IL
- Average snowfall in December: 1.54"
The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Skokie, IL
- Average snowfall days in December: 9.4 days
The month with the highest number of snowfall days is January (11.7 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
Skokie, IL
- Average daylight in December: 9h and 12min
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: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Skokie, IL
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Skokie, 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
Skokie, IL
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Skokie, 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).





