Climate and monthly weather forecast
Kankakee, IL

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Weather in January

January, the same as December, in Kankakee, Illinois, is a freezing cold winter month, with an average temperature ranging between min 18.3°F (-7.6°C) and max 30°F (-1.1°C). January, recording an average high temperature of 30°F (-1.1°C) and a low temperature of 18.3°F (-7.6°C), is Kankakee's coldest month. Weather in January »

Weather in February

February, the last month of the winter in Kankakee, is a cold month, with an average temperature fluctuating between 21.4°F (-5.9°C) and 34.2°F (1.2°C). February brings a marginal elevation to an icy 34.2°F (1.2°C) from January's 30°F (-1.1°C) in Kankakee's average high-temperatures. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Kankakee, Illinois, with temperature in the range of an average high of 47.5°F (8.6°C) and an average low of 33.3°F (0.7°C). Kankakee's weather in March shows a rise in the average high-temperature, moving up from February's cold 34.2°F (1.2°C) to a frosty 47.5°F (8.6°C). Weather in March »

Weather in April

April is a refreshing spring month in Kankakee, Illinois, with an average temperature fluctuating between 59°F (15°C) and 43.2°F (6.2°C). Kankakee's weather in April shows a rise in the average high-temperature, moving up from March's chilly 47.5°F (8.6°C) to a mild 59°F (15°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Kankakee, Illinois, with temperature in the range of an average high of 71.1°F (21.7°C) and an average low of 54.1°F (12.3°C). The transition from April to May brings a temperature rise, with average high-temperatures increasing from a refreshing 59°F (15°C) to a pleasant 71.1°F (21.7°C). Weather in May »

Weather in June

June, the first month of the summer in Kankakee, is a warm month, with an average temperature varying between 62.1°F (16.7°C) and 79.3°F (26.3°C). June comes with a subtle rise, with the average high-temperature adjusting from a pleasant 71.1°F (21.7°C) in May to a warm 79.3°F (26.3°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Kankakee, Illinois, with an average temperature fluctuating between 64.2°F (17.9°C) and 81.1°F (27.3°C). Temperature readings reach their annual highs in July, averaging 81.1°F (27.3°C) and a minimum average of 64.2°F (17.9°C). The heat index for July is evaluated at a tropical 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Kankakee, Illinois, with an average temperature varying between 80.1°F (26.7°C) and 62.6°F (17°C). Kankakee measures an average high-temperature of a still moderately hot 80.1°F (26.7°C) in August, nearly consistent with the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Kankakee, is still a warm month, with an average temperature ranging between min 57°F (13.9°C) and max 75°F (23.9°C). September's onset brings an average high-temperature of a still moderately hot 75°F (23.9°C), showing a minute difference from August's 80.1°F (26.7°C). Weather in September »

Weather in October

October, like September, in Kankakee, Illinois, is another comfortable autumn month, with an average temperature fluctuating between 46.8°F (8.2°C) and 61.9°F (16.6°C). Observing a mild shift, the average high-temperature during October reduces from September's moderately hot 75°F (23.9°C) to a comfortable 61.9°F (16.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Kankakee, Illinois, with an average temperature varying between 34.7°F (1.5°C) and 47.3°F (8.5°C). Kankakee in November showcases a distinct temperature shift, moving from an average high of a comfortable 61.9°F (16.6°C) in October to a frosty 47.3°F (8.5°C). Weather in November »

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). 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). Weather in December »
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

In Kankakee, the average lowest temperatures are observed in January, with a high of 30°F (-1.1°C) and a low of 18.3°F (-7.6°C).

How much does it rain?

Throughout the year, there are 80.5 rainfall days, and 6.22" (158mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through April, November and December.

When does it snow the most?

January is the month with the most snowfall. Snow falls for 5.8 days and accumulates 0.75" (19mm) of snow.

How many days does it snow?

Throughout the year, there are 20.5 snowfall days, and 2.17" (55mm) of snow is accumulated.

What is the month with the least sunshine?

With an average of 3.8h of sunshine, January has the least sunshine of the year.

What is the month with the lowest UV index?

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

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the rainiest month?

The month with the most rainfall is May, when the rain falls for 11.4 days and typically aggregates up to 1.06" (27mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

When are the longest days in Kankakee?

June has the longest days of the year, with an average of 15h and 6min of daylight.

When is the highest UV index?

June and July, with an average maximum UV index of 6, are months with the highest UV index.

What is the warmest month in Kankakee?

July is the warmest month, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 64.2°F (17.9°C).

What is the most humid month?

The most humid month is July, with an average relative humidity of 84%.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 9.9h of sunshine.

What is the least humid month?

The least humid month is October, with an average relative humidity of 72%.

What is the driest month?

The month with the least rainfall is November, when the rain falls for 3.6 days and typically collects 0.28" (7mm) of precipitation.

What is the month with the shortest days?

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

Average temperature
Kankakee, IL

Average temperature - Kankakee, IL

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).

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
Kankakee, IL

Average pressure - Kankakee, IL

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
Kankakee, IL

Average wind speed - Kankakee, IL

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
Kankakee, IL

Average humidity - Kankakee, IL

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

Average rainfall
Kankakee, IL

Average rainfall - Kankakee, IL

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
Kankakee, IL

Average rainfall days - Kankakee, IL

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
Kankakee, IL

Average snowfall - Kankakee, IL

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
Kankakee, IL

Average snowfall days - Kankakee, IL

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 / Average sunshine
Kankakee, IL

Average daylight / Average sunshine - Kankakee, IL

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).

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
Kankakee, IL

Average sunshine days - Kankakee, IL

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 visibility
Kankakee, IL

Average visibility - Kankakee, IL

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

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