Champaign
Illinois, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Champaign, IL

An old building that works as an auditorium within the University of Illinois in Champaign set in neat lawns with trees, and a clear pink sky above
An old building that works as an auditorium within the University of Illinois in Champaign set in neat lawns with trees, and a clear pink sky above
January, the same as December, is another cold winter month in Champaign, Illinois, with temperature in the range of an average low of 18.1°F (-7.7°C) and an average high of 33.8°F (1°C). With an average high-temperature of 33.8°F (1°C) and an average low-temperature of 18.1°F (-7.7°C), January is the coldest month. Weather in January »
February, the last month of the winter, in Champaign, is also a wintry month, with temperature in the range of an average high of 37.6°F (3.1°C) and an average low of 21.6°F (-5.8°C). In Champaign, the average high-temperature in February is practically the same as in January - a still wintry 37.6°F (3.1°C). Weather in February »

The first month of the spring, March, is a chilly month in Champaign, Illinois, with average temperature fluctuating between 49.3°F (9.6°C) and 30.9°F (-0.6°C). In Champaign, the average high-temperature in March increases, from a cold 37.6°F (3.1°C) in February, to a frosty 49.3°F (9.6°C). Weather in March »

April is an enjoyable spring month in Champaign, Illinois, with average temperature fluctuating between 62.1°F (16.7°C) and 41°F (5°C). In April, the average high-temperature rises, from a frosty 49.3°F (9.6°C) in March, to a comfortable 62.1°F (16.7°C). Weather in April »

May, the last month of the spring, in Champaign, is an agreeable month, with average temperature ranging between min 51.4°F (10.8°C) and max 73°F (22.8°C). In May, the average high-temperature increases, from a comfortable 62.1°F (16.7°C) in April, to a pleasant 73°F (22.8°C). Weather in May »

June, the first month of the summer, in Champaign, is a moderately hot month, with average temperature fluctuating between 82.2°F (27.9°C) and 60.6°F (15.9°C). In Champaign, the average high-temperature increases, from a pleasant 73°F (22.8°C) in May, to a warm 82.2°F (27.9°C). Weather in June »

July, like June, in Champaign, Illinois, is another warm summer month, with average temperature ranging between max 85.8°F (29.9°C) and min 64.8°F (18.2°C). July is the warmest month, with an average high-temperature of 85.8°F (29.9°C) and an average low-temperature of 64.8°F (18.2°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in Champaign, Illinois, with average temperature ranging between max 83.8°F (28.8°C) and min 62.8°F (17.1°C). In August, the average high-temperature is relatively the same as in July - a still moderately hot 83.8°F (28.8°C). Weather in August »

September, the first month of the autumn, in Champaign, is still a warm month, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 55.4°F (13°C). In September, the average high-temperature marginally drops, from 83.8°F (28.8°C) in August, to a still moderately hot 77.9°F (25.5°C). Weather in September »

October, like September, in Champaign, Illinois, is another enjoyable autumn month, with average temperature varying between 65.8°F (18.8°C) and 44.1°F (6.7°C). In October, the average high-temperature drops, from a warm 77.9°F (25.5°C) in September, to an enjoyable 65.8°F (18.8°C). Weather in October »

November, the last month of the autumn, in Champaign, is also a fresh month, with average temperature fluctuating between 50.4°F (10.2°C) and 32.9°F (0.5°C). In November, the average high-temperature plummets, from an enjoyable 65.8°F (18.8°C) in October, to a fresh 50.4°F (10.2°C). Weather in November »

December, the first month of the winter, in Champaign, is still a cold month, with average temperature ranging between max 37.2°F (2.9°C) and min 22.5°F (-5.3°C). In Champaign, the average high-temperature drops, from a fresh 50.4°F (10.2°C) in November, to a wintry 37.2°F (2.9°C). Weather in December »

What is the coldest month in Champaign?

January is the coldest month in Champaign, Illinois, with an average high-temperature of 33.8°F (1°C) and an average low-temperature of 18.1°F (-7.7°C).

How many days does it rain in Champaign?

Throughout the year, in Champaign, there are 119 rainfall days, and 41.1" (1042.9mm) of precipitation is accumulated.

What is the driest month in Champaign?

The month with the least rainfall in Champaign is January when the rain falls for 10 days and typically collects 1.9" (48.3mm) of precipitation.

When does it snow in Champaign?

Months with snowfall are January through April, October through December.

How much does it snow in Champaign?

In Champaign, Illinois, during the entire year, snow aggregates up to 22.8" (578.9mm).

When does it snow the most in Champaign?

The month with the most snowfall in Champaign is January when 6.1" (154.9mm) of snow is typically aggregated.

What is the rainiest month in Champaign?

The month with the most rainfall in Champaign, Illinois, is May when the rain falls for 11 days and typically aggregates up to 4.8" (121.9mm) of precipitation.

When are the longest days in Champaign?

With an average of 15h of daylight, June has the longest days of the year in Champaign.

What is the month with the most sunshine in Champaign?

Months with the most sunshine are June and July, with an average of 10h of sunshine.

What are the months with the highest UV index in Champaign?

June and July, with an average maximum UV index of 9, are months with the highest UV index in Champaign.

What is the warmest month in Champaign?

July is the warmest month in Champaign, Illinois, with an average high-temperature of 85.8°F (29.9°C) and an average low-temperature of 64.8°F (18.2°C).

What is the month with the least sunshine in Champaign?

November and December, with an average of 4h of sunshine, are months with the least sunshine in Champaign.

What is the month with the shortest days in Champaign?

With an average of 9.4h of daylight, December has the shortest days of the year in Champaign.

What is the month with the lowest UV index in Champaign?

December is the month with the lowest UV index in Champaign, with an average maximum UV index of 1.
Average temperature - Champaign, IL
Average rainfall - Champaign, IL
Average rainfall days - Champaign, IL

Months with the highest number of rainy days are March, April and December (12 days).
Months with the lowest number of rainy days are September and October (8 days).

Average snowfall - Champaign, IL
Average daylight / Average sunshine - Champaign, IL