October weather forecast
Aurora, IL

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The tranquil city of Aurora, Illinois, as set in the peaceful waterfront promenade and the cloudy sky reflected in the water below
The tranquil city of Aurora, Illinois, as set in the peaceful waterfront promenade and the cloudy sky reflected in the water below

Weather in October

October in Aurora welcomes the full onset of fall season. The temperature continues to cool down and a decrease in humidity provides a respite from the moist summer air. There is a notable change in rainfall, marked by a slight increase to 0.98" (25mm), making it a moderately rainy month. The first traces of snow become visible, hinting at the winter season's advent. The landscape turns scenic as the leaves change color and the typical autumn weather settles in.

Temperature

The onset of October is marked by a decrease in temperature, transitioning from a moderately hot 73.6°F (23.1°C) in September to a refreshing 60.4°F (15.8°C). Throughout the nights in October, Aurora experiences an average low-temperature of 45°F (7.2°C).

Humidity

The least humid month in Aurora is October, with an average relative humidity of 74%.

Rainfall

In Aurora, in October, during 9.2 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Aurora, during the entire year, the rain falls for 120.4 days and collects up to 12.32" (313mm) of precipitation.

Snowfall

Months with snowfall in Aurora are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. In Aurora, during the entire year, snow falls for 32.3 days and aggregates up to 4.84" (123mm) of snow.

Daylight

In Aurora, the average length of the day in October is 11h and 4min.
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 Aurora, sunrise is at 7:25 am and sunset at 5:48 pm CDT.

Sunshine

In Aurora, the average sunshine in October is 5.6h.

UV index

In Aurora, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 2 in October interprets into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Aurora in October?

The high-temperature, in October, in Aurora, is 60.4°F (15.8°C), while the low-temperature averages to 45°F (7.2°C). In July, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is estimated at 87.8°F (31°C).

What is the least humid month in Aurora?

October is the least humid month in Aurora, Illinois, with an average relative humidity of 74%.

What is the average humidity in October in Aurora?

In Aurora, Illinois, the average relative humidity in October is 74%.

How many days does it rain in October in Aurora?

In Aurora, during October, the rain falls for 9.2 days and regularly aggregates up to 0.98" (25mm) of precipitation.

When does it start snowing in Aurora?

October is the first month it typically snows in Aurora. Throughout October, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow.

How many hours of daylight does Aurora have in October?

In October, the average day length in Aurora is 11h and 4min.

When is the sunrise / sunset in October in Aurora?

On the first day of October, sunrise is at 6:50 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:48 pm CDT.

How many hours of sunshine does Aurora have in October?

In Aurora, Illinois, the average sunshine duration in October is 5.6h.

What is the UV index reading in October in Aurora?

In Aurora, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
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
Aurora, IL

Average temperature in October - Aurora, IL
  • Average high temperature in October: 60.4°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in October: 45°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (16°F).

Average pressure in October
Aurora, IL

Average pressure in October - Aurora, IL
  • Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in October
Aurora, IL

Average wind speed in October - Aurora, IL
  • Average wind speed in October: 8.6mph

The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in October
Aurora, IL

Average humidity in October - Aurora, IL
  • Average humidity in October: 74%

The months with the highest relative humidity are January, February and July (83%).
The month with the lowest relative humidity is October (74%).

Average rainfall in October
Aurora, IL

Average rainfall in October - Aurora, IL
  • Average rainfall in October: 0.98"

The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is February (0.51").

Average rainfall days in October
Aurora, IL

Average rainfall days in October - Aurora, IL
  • Average rainfall days in October: 9.2 days

The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in October
Aurora, IL

Average snowfall in October - Aurora, IL
  • Average snowfall in October: 0.08"

The month with the highest snowfall is January (1.69").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Aurora, IL

Average snowfall days in October - Aurora, IL
  • Average snowfall days in October: 0.3 days

The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in October: 5h and 4min

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

Average sunshine days in October
Aurora, IL

Average sunshine days in October - Aurora, IL
  • Average sunshine days in October: 20.1 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is June (11.4 days).

Average UV index in October
Aurora, IL

Average UV index in October - Aurora, IL
  • Average UV index in October: 2

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 October
Aurora, IL

Average cloud cover in October - Aurora, IL
  • Average cloud cover in October: 42

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 32).

Average visibility in October
Aurora, IL

Average visibility in October - Aurora, 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).

Aurora, Illinois, USA

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