October weather forecast
Champaign, IL

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An old building that works as an auditorium within the University of Illinois in Champaign
An old building that works as an auditorium within the University of Illinois in Champaign

Weather in October

October further amplifies the fall season in Champaign with a discernible downturn in temperature from September. The drop is more prominent in this month, translating into a cool and pleasing weather. The occurrence of rain witnesses an uptick, with over 1.5" (38mm) of rainfall on average. In a stark contrast to September, the disappearance of clouds lets more sunlight through for longer durations. Concurrently, the wind speed increases, adding a brisk touch to the October weather.

Temperature

The arrival of October signals a shift in temperature, down from a warm 76.1°F (24.5°C) in September to a refreshing 63.5°F (17.5°C). Champaign witnesses an average low-temperature of 47.8°F (8.8°C) throughout the month of October.

Humidity

With an average relative humidity of 70%, October is the least humid month in Champaign.

Rainfall

In Champaign, in October, it is raining for 10.6 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, in Champaign, Illinois, there are 129.9 rainfall days, and 18.15" (461mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in October in Champaign, Illinois, is 11h and 8min.
On the first day of the month, sunrise is at 6:50 am and sunset at 6:34 pm. On the last day of October, in Champaign, sunrise is at 7:21 am and sunset at 5:51 pm CDT.

Sunshine

The average sunshine in October in Champaign is 6.2h.

UV index

In October, the average daily maximum UV index in Champaign is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 3 in October translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

What are the temperatures in Champaign in October?

The high-temperature, in October, in Champaign, is 63.5°F (17.5°C), while the low-temperature averages to 47.8°F (8.8°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 86°F (30°C).

What is the least humid month in Champaign?

With an average relative humidity of 70%, October is the least humid month.

What is the average humidity in October in Champaign?

In Champaign, the average relative humidity in October is 70%.

How many days does it rain in October in Champaign?

In Champaign, during October, the rain falls for 10.6 days and regularly aggregates up to 1.5" (38mm) of precipitation.

When it does not snow in Champaign?

In Champaign, Illinois, snow does not fall in May through October.

Does it snow in Champaign in October?

In Champaign, Illinois, in October, it doesn't snow. In November, it regularly snows.

What is the average length of the day in October in Champaign?

In October, the average day length in Champaign, Illinois, is 11h and 8min.

What time are sunrise and sunset in October in Champaign?

In October, on the first day of the month, sunrise is at 6:50 am and sunset at 6:34 pm. On the last day of the month, in Champaign, Illinois, sunrise is at 7:21 am and sunset at 5:51 pm CDT.

How long on average sun shines in October in Champaign?

In Champaign, Illinois, the average sunshine duration in October is 6.2h.

What is the UV index reading in October in Champaign?

The average daily maximum UV index in October in Champaign is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Champaign, IL

Average temperature in October - Champaign, IL
  • Average high temperature in October: 63.5°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 (31.8°F).

  • Average low temperature in October: 47.8°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in October
Champaign, IL

Average pressure in October - Champaign, IL
  • Average pressure in October: 30.02"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in October
Champaign, IL

Average wind speed in October - Champaign, IL
  • Average wind speed in October: 9.5mph

The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in October
Champaign, IL

Average humidity in October - Champaign, IL
  • Average humidity in October: 70%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in October
Champaign, IL

Average rainfall in October - Champaign, IL
  • Average rainfall in October: 1.5"

The wettest month (with the highest rainfall) is April (2.24").
The driest month (with the least rainfall) is September (0.94").

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Average rainfall days in October
Champaign, IL

Average rainfall days in October - Champaign, IL
  • Average rainfall days in October: 10.6 days

The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and February (6 days).

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Average snowfall in October
Champaign, IL

Average snowfall in October - Champaign, IL
  • Average snowfall in October: 0"

The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in October
Champaign, IL

Average snowfall days in October - Champaign, IL
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
Champaign, IL

Average daylight in October / Average sunshine in October - Champaign, IL
  • Average daylight in October: 11h and 1min

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 October: 6h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in October
Champaign, IL

Average sunshine days in October - Champaign, IL
  • Average sunshine days in October: 18.5 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.8 days).

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Average UV index in October
Champaign, IL

Average UV index in October - Champaign, IL
  • Average UV index in October: 3

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).

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Average cloud cover in October
Champaign, IL

Average cloud cover in October - Champaign, IL
  • Average cloud cover in October: 36

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 31).

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Average visibility in October
Champaign, IL

Average visibility in October - Champaign, IL
  • Average visibility in October: 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).

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Champaign, Illinois, USA

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