October weather forecast
Mundelein, IL

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Weather in October

October, like September, is a moderate autumn month in Mundelein, Illinois, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 59.2°F (15.1°C).

Temperature

As September transitions into October, Mundelein sees a drop in the average high-temperature, transitioning from a pleasant 72.9°F (22.7°C) to a mild 59.2°F (15.1°C). Mundelein temperatures generally rest at a low of 45.5°F (7.5°C) during the October nights.

Humidity

With an average relative humidity of 74%, October is the least humid month in Mundelein.

Rainfall

In October, in Mundelein, the rain falls for 13.5 days. Throughout October, 2.36" (60mm) of precipitation is accumulated. In Mundelein, during the entire year, the rain falls for 147.3 days and collects up to 27.44" (697mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.31" (8mm) of snow. Throughout the year, there are 48.2 snowfall days, and 18.86" (479mm) of snow is accumulated.

Daylight

In October, the average length of the day in Mundelein, Illinois, 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 5:46 pm CDT.

Sunshine

The average sunshine in October in Mundelein is 5.5h.

UV index

In Mundelein, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In October, a daily UV index of 2 turns into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Frequently asked questions

What is the temperature in October in Mundelein?

The average high-temperature and low-temperature in Mundelein during October are 59.2°F (15.1°C) and 45.5°F (7.5°C) respectively.

What is the least humid month in Mundelein?

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

What is the average humidity in October in Mundelein?

The average relative humidity in October is 74%.

How much does it rain in Mundelein in October?

In Mundelein, Illinois, in October, during 13.5 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

When does it start snowing in Mundelein?

October is the first month it typically snows in Mundelein, Illinois. Throughout October, in the average 0.6 snowfall days, it receives 0.31" (8mm) of snow.

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

The average day length in October in Mundelein, Illinois, is 11h and 3min.

When are sunrise and sunset in October in Mundelein?

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 5:46 pm CDT.

How long on average sun shines in October in Mundelein?

In October, the average sunshine duration is 5.5h.

How high is the UV index in October in Mundelein?

The average daily maximum UV index in October in Mundelein, Illinois, is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Mundelein, IL

Average temperature in October - Mundelein, IL
  • Average high temperature in October: 59.2°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in October: 45.5°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

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Average pressure in October
Mundelein, IL

Average pressure in October - Mundelein, 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).

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Average wind speed in October
Mundelein, IL

Average wind speed in October - Mundelein, IL
  • Average wind speed in October: 9mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in October
Mundelein, IL

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

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

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Average rainfall in October
Mundelein, IL

Average rainfall in October - Mundelein, IL
  • Average rainfall in October: 2.36"

The wettest month (with the highest rainfall) is June (3.54").
The driest months (with the least rainfall) are November and December (1.3").

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Average rainfall days in October
Mundelein, IL

Average rainfall days in October - Mundelein, IL
  • Average rainfall days in October: 13.5 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (4.3 days).

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Average snowfall in October
Mundelein, IL

Average snowfall in October - Mundelein, IL
  • Average snowfall in October: 0.31"

The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Mundelein, IL

Average snowfall days in October - Mundelein, IL
  • Average snowfall days in October: 0.6 days

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Mundelein, 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 3min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in October
Mundelein, IL

Average sunshine days in October - Mundelein, IL
  • Average sunshine days in October: 14.4 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (10 days).

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Average UV index in October
Mundelein, IL

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

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

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Average cloud cover in October
Mundelein, IL

Average cloud cover in October - Mundelein, IL
  • Average cloud cover in October: 44

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 30).

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Average visibility in October
Mundelein, IL

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

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

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Mundelein, Illinois, USA

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