October weather forecast
Hennepin, IL

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Weather in October

October, like September, in Hennepin, Illinois, is another comfortable autumn month, with an average temperature varying between 45.7°F (7.6°C) and 61.7°F (16.5°C).

Temperature

Hennepin's progression into October involves a drop in the average high-temperature, receding from a warm 74.7°F (23.7°C) in September to a refreshing 61.7°F (16.5°C). In October, the recorded average low-temperature is a chilly 45.7°F (7.6°C).

Humidity

The least humid month is October, with an average relative humidity of 72%.

Rainfall

In October, the rain falls for 13.2 days. Throughout October, 2.87" (73mm) of precipitation is accumulated. Throughout the year, in Hennepin, there are 152.7 rainfall days, and 30.79" (782mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. October is the first month it typically snows in Hennepin. Throughout October, in the average 0.5 snowfall days, it receives 0.43" (11mm) of snow. Throughout the year, in Hennepin, there are 39.5 snowfall days, and 15.31" (389mm) of snow is accumulated.

Daylight

The average length of the day in October is 11h and 5min.
On the first day of October in Hennepin, Illinois, sunrise is at 6:54 am and sunset at 6:38 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:53 pm CDT.

Sunshine

The average sunshine in October in Hennepin is 5.7h.

UV index

In Hennepin, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 3 during October leads to these instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Hennepin in October?

October temperatures in Hennepin, Illinois, vary between a high-temperature of 61.7°F (16.5°C) and a low-temperature of 45.7°F (7.6°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is evaluated at 86°F (30°C).

What is the least humid month in Hennepin?

The least humid month in Hennepin, Illinois, is October, with an average relative humidity of 72%.

What is the average humidity in October in Hennepin?

In October, the average relative humidity in Hennepin, Illinois, is 72%.

How much does it rain in Hennepin in October?

In Hennepin, in October, during 13.2 rainfall days, 2.87" (73mm) of precipitation is typically accumulated.

When does it start to snow in Hennepin?

October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.43" (11mm) of snow.

How many hours of daylight does Hennepin have in October?

In Hennepin, the average day length in October is 11h and 5min.

When is the sunrise / sunset in October in Hennepin?

In October, on the first day of the month, sunrise is at 6:54 am and sunset at 6:38 pm. On the last day of the month, in Hennepin, sunrise is at 7:28 am and sunset at 5:53 pm CDT.

How many hours of sunshine does Hennepin have in October?

In October, the average sunshine duration in Hennepin is 5.7h.

What is the UV index intensity in October in Hennepin?

In Hennepin, the average daily maximum UV index in October 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 days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Hennepin, IL

Average temperature in October - Hennepin, IL
  • Average high temperature in October: 61.7°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in October: 45.7°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

Average pressure in October
Hennepin, IL

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in October
Hennepin, IL

Average wind speed in October - Hennepin, IL
  • Average wind speed in October: 9.2mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in October
Hennepin, IL

Average humidity in October - Hennepin, IL
  • Average humidity in October: 72%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).

Average rainfall in October
Hennepin, IL

Average rainfall in October - Hennepin, IL
  • Average rainfall in October: 2.87"

The wettest month (with the highest rainfall) is May (4.69").
The driest months (with the least rainfall) are January and December (1.61").

Average rainfall days in October
Hennepin, IL

Average rainfall days in October - Hennepin, IL
  • Average rainfall days in October: 13.2 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (5.9 days).

Average snowfall in October
Hennepin, IL

Average snowfall in October - Hennepin, IL
  • Average snowfall in October: 0.43"

The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Hennepin, IL

Average snowfall days in October - Hennepin, IL
  • Average snowfall days in October: 0.5 days

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in October: 5h and 4min

The months with the most sunshine are June, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in October
Hennepin, IL

Average sunshine days in October - Hennepin, IL
  • Average sunshine days in October: 15.5 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (10.2 days).

Average UV index in October
Hennepin, IL

Average UV index in October - Hennepin, 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 and December (UV index 1).

Average cloud cover in October
Hennepin, IL

Average cloud cover in October - Hennepin, IL
  • Average cloud cover in October: 39

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).

Average visibility in October
Hennepin, IL

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

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

Hennepin, Illinois, USA

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