October weather forecast
Gurnee, IL

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Weather in October

October, the same as September, in Gurnee, Illinois, is another refreshing autumn month, with an average temperature fluctuating between 58.3°F (14.6°C) and 46.9°F (8.3°C).

Temperature

As October commences, the average high-temperature shows a reduction, transitioning from a pleasant 70.9°F (21.6°C) in September to a mild 58.3°F (14.6°C). Gurnee, during October, witnesses an average low-temperature of 46.9°F (8.3°C).

Humidity

October and November, with an average relative humidity of 75%, are the least humid months.

Rainfall

In October, the rain falls for 12.9 days. Throughout October, 1.89" (48mm) of precipitation is accumulated. Throughout the year, there are 142.5 rainfall days, and 21.5" (546mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. October is the first month it typically snows in Gurnee. Throughout October, in the average 0.7 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 45.5 snowfall days, and 9.37" (238mm) of snow is accumulated.

Daylight

The average length of the day in October is 11h and 3min.
On the first day of October, sunrise is at 6:49 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:45 pm CDT.

Sunshine

In October, the average sunshine is 5.6h.

UV index

The average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 2 during October translates into these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature in Gurnee?

An average high-temperature, in October, in Gurnee, is 58.3°F (14.6°C) and the average low-temperature is 46.9°F (8.3°C).

What is the least humid month?

The months with the lowest humidity are October and November, with an average relative humidity of 75%.

What is the average humidity in October?

In October, the average relative humidity is 75%.

How much does it rain in October?

In Gurnee, in October, it is raining for 12.9 days, with typically 1.89" (48mm) of accumulated precipitation.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 0.7 snowfall days, it receives 0.16" (4mm) of snow.

What is the average length of the day in October?

In Gurnee, Illinois, the average day length in October is 11h and 3min.

What time are sunrise and sunset in October in Gurnee?

On the first day of October, sunrise is at 6:49 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:45 pm CDT.

How many hours of sunshine does Gurnee have in October?

The average sunshine duration in October is 5.6h.

What is the UV index reading in October?

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

Average temperature in October - Gurnee, IL
  • Average high temperature in October: 58.3°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in October: 46.9°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in October
Gurnee, IL

Average pressure in October - Gurnee, IL
  • Average pressure in October: 30"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in October
Gurnee, IL

Average wind speed in October - Gurnee, IL
  • Average wind speed in October: 10.5mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

Average humidity in October
Gurnee, IL

Average humidity in October - Gurnee, IL
  • Average humidity in October: 75%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in October
Gurnee, IL

Average rainfall in October - Gurnee, IL
  • Average rainfall in October: 1.89"

The wettest months (with the highest rainfall) are June and August (2.68").
The driest month (with the least rainfall) is December (0.91").

Average rainfall days in October
Gurnee, IL

Average rainfall days in October - Gurnee, IL
  • Average rainfall days in October: 12.9 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is February (5.2 days).

Average snowfall in October
Gurnee, IL

Average snowfall in October - Gurnee, IL
  • Average snowfall in October: 0.16"

The month with the highest snowfall is February (2.6").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Gurnee, IL

Average snowfall days in October - Gurnee, IL
  • Average snowfall days in October: 0.7 days

The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Gurnee, IL
  • Average daylight in October: 11h and 0min

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 6min).

  • Average sunshine in October: 5h and 4min

The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in October
Gurnee, IL

Average sunshine days in October - Gurnee, IL
  • Average sunshine days in October: 14.6 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in October
Gurnee, IL

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

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

Average cloud cover in October
Gurnee, IL

Average cloud cover in October - Gurnee, IL
  • Average cloud cover in October: 43

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in October
Gurnee, IL

Average visibility in October - Gurnee, IL
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Gurnee, Illinois, USA

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