October weather forecast
Herscher, IL

Share

Weather in October

October, like September, in Herscher, Illinois, is another comfortable autumn month, with an average temperature ranging between min 46.8°F (8.2°C) and max 61.9°F (16.6°C).

Temperature

Herscher's weather changes with the onset of October, slightly falling from a moderately hot 75°F (23.9°C) in September to a refreshing 61.9°F (16.6°C). Throughout October, the average low-temperature dips to a frosty 46.8°F (8.2°C).

Humidity

With an average relative humidity of 72%, October is the least humid month in Herscher, Illinois.

Rainfall

In Herscher, in October, it is raining for 11 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, there are 142.1 rainfall days, and 22.56" (573mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 39 snowfall days, and 9.02" (229mm) of snow is accumulated.

Daylight

The average length of the day in October is 11h and 5min.
On the first day of October, sunrise is at 6:49 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:48 pm CDT.

Sunshine

In Herscher, the average sunshine in October is 5.9h.

UV index

In Herscher, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In October, the maximum UV index of 3 suggests this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October?

In Herscher, in October, the average high-temperature is 61.9°F (16.6°C), and the average low-temperature is 46.8°F (8.2°C). In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is estimated at 87.8°F (31°C).

What is the least humid month in Herscher?

With an average relative humidity of 72%, October is the least humid month.

What is the average humidity in October?

The average relative humidity in October is 72%.

How much does it rain in October?

In Herscher, Illinois, in October, during 11 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.04" (1mm) of snow.

What is the average length of the day in October?

The average day length in October is 11h and 5min.

When are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 6:49 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:48 pm CDT.

How many hours of sunshine does Herscher have in October?

In Herscher, Illinois, the average sunshine duration in October is 5.9h.

What is the UV index intensity in October?

In Herscher, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents 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
Herscher, IL

Average temperature in October - Herscher, IL
  • Average high temperature in October: 61.9°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in October: 46.8°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 (18.3°F).

Average pressure in October
Herscher, IL

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in October
Herscher, IL

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

The windiest months (with the highest average wind speed) are January and April (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in October
Herscher, IL

Average humidity in October - Herscher, 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
Herscher, IL

Average rainfall in October - Herscher, IL
  • Average rainfall in October: 2.01"

The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is February (1.06").

Average rainfall days in October
Herscher, IL

Average rainfall days in October - Herscher, IL
  • Average rainfall days in October: 11 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (5 days).

Average snowfall in October
Herscher, IL

Average snowfall in October - Herscher, IL
  • Average snowfall in October: 0.04"

The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Herscher, IL

Average snowfall days in October - Herscher, IL
  • Average snowfall days in October: 0.4 days

The month with the highest number of snowfall days is January (11.7 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
Herscher, IL

Average daylight in October / Average sunshine in October - Herscher, 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 5min

The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in October
Herscher, IL

Average sunshine days in October - Herscher, IL
  • Average sunshine days in October: 17.1 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.3 days).

Average UV index in October
Herscher, IL

Average UV index in October - Herscher, IL
  • Average UV index in October: 3

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
Herscher, IL

Average cloud cover in October - Herscher, IL
  • Average cloud cover in October: 40

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).

Average visibility in October
Herscher, IL

Average visibility in October - Herscher, 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).

Herscher, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location