December weather forecastOakwood Hills, IL
December
Weather in December
The first month of the winter, December, is still a cold month in Oakwood Hills, Illinois, with an average temperature varying between 33.3°F (0.7°C) and 23.2°F (-4.9°C).Temperature
The arrival of December corresponds with a temperature reduction, down from November's frosty 45.1°F (7.3°C) to a wintry 33.3°F (0.7°C). During December, Oakwood Hills witnesses a consistent average low-temperature of 23.2°F (-4.9°C).Humidity
In Oakwood Hills, Illinois, the average relative humidity in December is 82%.Rainfall
The month with the least rainfall is December, when the rain falls for 8 days and typically collects 1.1" (28mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Oakwood Hills. In December, it is snowing for 10.8 days. Throughout December, 2.24" (57mm) of snow is accumulated. In Oakwood Hills, during the entire year, snow falls for 48.9 days and aggregates up to 14.76" (375mm) 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 7:02 am and sunset at 4:21 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:30 pm CST.
Sunshine
In Oakwood Hills, 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 Oakwood Hills. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Oakwood Hills, IL
- Average high temperature in December: 33.3°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 23.2°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in December
Oakwood Hills, 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
Oakwood Hills, IL
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Oakwood Hills, IL
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Oakwood Hills, IL
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days in December
Oakwood Hills, IL
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is July (18.8 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall in December
Oakwood Hills, IL
- Average snowfall in December: 2.24"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Oakwood Hills, IL
- Average snowfall days in December: 10.8 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Oakwood Hills, 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 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
Oakwood Hills, IL
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (10 days).
Average UV index in December
Oakwood Hills, IL
- Average UV index in December: 1
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Oakwood Hills, 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 August and September (Cloud cover 31).
Average visibility in December
Oakwood Hills, 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).





