December weather forecast
Kankakee, IL

Share

Weather in December

The first month of the winter, December, is also an icy month in Kankakee, Illinois, with an average temperature fluctuating between 36.1°F (2.3°C) and 25.9°F (-3.4°C).

Temperature

Kankakee's transition into December involves a shift in temperature, receding from a frosty 47.3°F (8.5°C) in November to a cold 36.1°F (2.3°C). In Kankakee, the expected average low-temperature for December is a freezing cold 25.9°F (-3.4°C).

Humidity

In Kankakee, the average relative humidity in December is 81%.

Rainfall

In Kankakee, in December, it is raining for 3.8 days, with typically 0.35" (9mm) of accumulated precipitation. Throughout the year, there are 80.5 rainfall days, and 6.22" (158mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Kankakee, in December, snow falls for 4.5 days, with typically accumulated 0.16" (4mm) of snow. In Kankakee, during the entire year, snow falls for 20.5 days and aggregates up to 2.17" (55mm) of snow.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:57 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:32 pm CST.

Sunshine

The average sunshine in December is 4.2h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: An average maximum UV index of 1 in December leads to these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

December temperatures vary between a high-temperature of 36.1°F (2.3°C) and a low-temperature of 25.9°F (-3.4°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 87.8°F (31°C).

What is the average humidity in December?

In Kankakee, the average relative humidity in December is 81%.

How much does it rain in December?

In December, the rain falls for 3.8 days. Throughout December, 0.35" (9mm) of precipitation is accumulated.

How much does it snow in December?

In Kankakee, in December, snow falls for 4.5 days, with typically accumulated 0.16" (4mm) of snow.

What is the month with the shortest days?

The month with the shortest days in Kankakee is December, with an average of 9h and 18min of daylight.

How many hours of daylight does Kankakee have in December?

In Kankakee, the average day length in December is 9h and 16min.

What time are sunrise and sunset in December in Kankakee?

In December, on the first day of the month, sunrise is at 6:57 am and sunset at 4:23 pm. On the last day of the month, in Kankakee, sunrise is at 7:16 am and sunset at 4:32 pm CST.

How many hours of sunshine does Kankakee have in December?

In December, the average sunshine duration is 4.2h.

What are the months with the lowest UV index?

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

How high is the UV index in December in Kankakee?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
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
Kankakee, IL

Average temperature in December - Kankakee, IL
  • Average high temperature in December: 36.1°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in December: 25.9°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in December
Kankakee, IL

Average pressure in December - Kankakee, IL
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in December
Kankakee, IL

Average wind speed in December - Kankakee, IL
  • Average wind speed in December: 9.5mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in December
Kankakee, IL

Average humidity in December - Kankakee, 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
Kankakee, IL

Average rainfall in December - Kankakee, IL
  • Average rainfall in December: 0.35"

The wettest month (with the highest rainfall) is May (1.06").
The driest month (with the least rainfall) is November (0.28").

Average rainfall days in December
Kankakee, IL

Average rainfall days in December - Kankakee, IL
  • Average rainfall days in December: 3.8 days

The month with the highest number of rainy days is May (11.4 days).
The month with the least rainy days is January (2.3 days).

Average snowfall in December
Kankakee, IL

Average snowfall in December - Kankakee, IL
  • Average snowfall in December: 0.16"

The month with the highest snowfall is January (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Kankakee, IL

Average snowfall days in December - Kankakee, IL
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is January (5.8 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
Kankakee, IL

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in December
Kankakee, IL

Average sunshine days in December - Kankakee, IL
  • Average sunshine days in December: 24.4 days

The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is June (15.7 days).

Average UV index in December
Kankakee, IL

Average UV index in December - Kankakee, IL
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
Kankakee, IL

Average cloud cover in December - Kankakee, IL
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).

Average visibility in December
Kankakee, IL

Average visibility in December - Kankakee, 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).

Kankakee, Illinois, USA

Weather forecast for your location

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