December weather forecast
Oakwood, IL

Share

Weather in December

The first month of the winter, December, is also a wintry month in Oakwood, Illinois, with an average temperature varying between 27.5°F (-2.5°C) and 37.6°F (3.1°C).

Temperature

Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a chilly 48.9°F (9.4°C) to a wintry 37.6°F (3.1°C). Throughout December, the nighttime temperature averages to a freezing cold 27.5°F (-2.5°C).

Humidity

In December, the average relative humidity is 81%.

Rainfall

In Oakwood, in December, it is raining for 8.8 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, there are 151.8 rainfall days, and 25.63" (651mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Oakwood, in December, during 7.9 snowfall days, 2.09" (53mm) of snow is typically accumulated. Throughout the year, there are 35.2 snowfall days, and 8.82" (224mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 6:54 am and sunset at 4:26 pm. On the last day of December, in Oakwood, sunrise is at 7:13 am and sunset at 4:35 pm CST.

Sunshine

In December, the average sunshine is 4.5h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In December, in Oakwood, the average high-temperature is 37.6°F (3.1°C), and the average low-temperature is 27.5°F (-2.5°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in August is calculated to be 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 81%.

How many days does it rain in December?

In Oakwood, during December, the rain falls for 8.8 days and regularly aggregates up to 1.46" (37mm) of precipitation.

How many days does it snow in December?

In December, it is snowing for 7.9 days. Throughout December, 2.09" (53mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Oakwood have in December?

In December, the average day length is 9h and 23min.

What time are sunrise and sunset in December in Oakwood?

On the first day of December, sunrise is at 6:54 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:35 pm CST.

How many hours of sunshine does Oakwood have in December?

In Oakwood, the average sunshine duration in December is 4.5h.

What are the months with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index intensity in December?

In Oakwood, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Oakwood, IL

Average temperature in December - Oakwood, IL
  • Average high temperature in December: 37.6°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in December: 27.5°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure in December
Oakwood, IL

Average pressure in December - Oakwood, IL
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Oakwood, IL

Average wind speed in December - Oakwood, IL
  • Average wind speed in December: 9.7mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in December
Oakwood, IL

Average humidity in December - Oakwood, IL
  • Average humidity in December: 81%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Oakwood, IL

Average rainfall in December - Oakwood, IL
  • Average rainfall in December: 1.46"

The wettest month (with the highest rainfall) is April (3.23").
The driest months (with the least rainfall) are February and September (1.38").

Average rainfall days in December
Oakwood, IL

Average rainfall days in December - Oakwood, IL
  • Average rainfall days in December: 8.8 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.6 days).

Average snowfall in December
Oakwood, IL

Average snowfall in December - Oakwood, IL
  • Average snowfall in December: 2.09"

The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Oakwood, IL

Average snowfall days in December - Oakwood, IL
  • Average snowfall days in December: 7.9 days

The month with the highest number of snowfall days is January (10.6 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
Oakwood, IL

Average daylight in December / Average sunshine in December - Oakwood, IL
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 4h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in December
Oakwood, IL

Average sunshine days in December - Oakwood, IL
  • Average sunshine days in December: 15.6 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in December
Oakwood, IL

Average UV index in December - Oakwood, IL
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Oakwood, IL

Average cloud cover in December - Oakwood, IL
  • Average cloud cover in December: 54

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).

Average visibility in December
Oakwood, IL

Average visibility in December - Oakwood, IL
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).

Oakwood, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location