October weather forecast
Mill Creek, IL

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Weather in October

October, the same as September, is another enjoyable autumn month in Mill Creek, Illinois, with temperature in the range of an average high of 67.8°F (19.9°C) and an average low of 49.5°F (9.7°C).

Temperature

October indicates a shift in the average high-temperature, from September's warm 81°F (27.2°C) to a refreshing 67.8°F (19.9°C). October brings an average low-temperature of 49.5°F (9.7°C) to Mill Creek.

Humidity

With an average relative humidity of 71%, October is the least humid month.

Rainfall

In October, in Mill Creek, Illinois, the rain falls for 8.7 days. Throughout October, 2.01" (51mm) of precipitation is accumulated. Throughout the year, in Mill Creek, there are 143 rainfall days, and 27.44" (697mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Mill Creek, Illinois, are January through April, October through December. October is the first month it typically snows in Mill Creek. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. In Mill Creek, during the entire year, snow falls for 14.9 days and aggregates up to 6.06" (154mm) of snow.

Daylight

The average length of the day in October in Mill Creek is 11h and 13min.
On the first day of October in Mill Creek, sunrise is at 6:53 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:59 pm CDT.

Sunshine

The average sunshine in October in Mill Creek is 6.5h.

UV index

The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In October, the UV index of 3 transforms into the following advice:
Undertake protective steps - Preventing sun damage is advised. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Mill Creek in October?

The average high-temperature, in October, in Mill Creek, is 67.8°F (19.9°C), while the average low-temperature is 49.5°F (9.7°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 84.2°F (29°C).

What is the least humid month in Mill Creek?

October is the least humid month in Mill Creek, Illinois, with an average relative humidity of 71%.

What is the average humidity in October in Mill Creek?

In October, the average relative humidity in Mill Creek is 71%.

How many days does it rain in October in Mill Creek?

In October, in Mill Creek, Illinois, the rain falls for 8.7 days. Throughout October, 2.01" (51mm) of precipitation is accumulated.

When does it start to snow in Mill Creek?

October is the first month it typically snows in Mill Creek. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow.

How many hours of daylight does Mill Creek have in October?

The average day length in October in Mill Creek is 11h and 13min.

When is the sunrise / sunset in October in Mill Creek?

On the first day of October in Mill Creek, sunrise is at 6:53 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:59 pm CDT.

How long on average sun shines in October in Mill Creek?

In October, the average sunshine duration in Mill Creek is 6.5h.

How high is the UV index in October in Mill Creek?

The average daily maximum UV index in October in Mill Creek, Illinois, is 3. A UV Index value of 3 to 5 symbolizes a medium 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
Mill Creek, IL

Average temperature in October - Mill Creek, IL
  • Average high temperature in October: 67.8°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in October: 49.5°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure in October
Mill Creek, IL

Average pressure in October - Mill Creek, IL
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in October
Mill Creek, IL

Average wind speed in October - Mill Creek, IL
  • Average wind speed in October: 7.6mph

The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in October
Mill Creek, IL

Average humidity in October - Mill Creek, IL
  • Average humidity in October: 71%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in October
Mill Creek, IL

Average rainfall in October - Mill Creek, IL
  • Average rainfall in October: 2.01"

The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is September (1.3").

Average rainfall days in October
Mill Creek, IL

Average rainfall days in October - Mill Creek, IL
  • Average rainfall days in October: 8.7 days

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is January (8.4 days).

Average snowfall in October
Mill Creek, IL

Average snowfall in October - Mill Creek, IL
  • Average snowfall in October: 0.08"

The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Mill Creek, IL

Average snowfall days in October - Mill Creek, IL
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Mill Creek, IL

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in October: 6h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in October
Mill Creek, IL

Average sunshine days in October - Mill Creek, IL
  • Average sunshine days in October: 21 days

The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in October
Mill Creek, IL

Average UV index in October - Mill Creek, IL
  • Average UV index in October: 3

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in October
Mill Creek, IL

Average cloud cover in October - Mill Creek, IL
  • Average cloud cover in October: 32

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).

Average visibility in October
Mill Creek, IL

Average visibility in October - Mill Creek, 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).

Mill Creek, Illinois, USA

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