October weather forecast
Mounds, IL

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Weather in October

October, the same as September, in Mounds, Illinois, is an agreeable autumn month, with an average temperature fluctuating between 51.1°F (10.6°C) and 68.9°F (20.5°C).

Temperature

As Mounds enters October, the average high-temperature decreases from the a moderately hot 81.5°F (27.5°C) of September to an agreeable 68.9°F (20.5°C). Mounds records a steady low-temperature average of 51.1°F (10.6°C) during October.

Humidity

October is the least humid month in Mounds, with an average relative humidity of 69%.

Rainfall

In Mounds, Illinois, in October, it is raining for 11.3 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, there are 156.3 rainfall days, and 36.65" (931mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. October is the first month it typically snows in Mounds. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 11.5 snowfall days, and 4.88" (124mm) of snow is accumulated.

Daylight

The average length of the day in October is 11h and 14min.
On the first day of October in Mounds, sunrise is at 6:52 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:59 pm CDT.

Sunshine

In October, the average sunshine is 6.6h.

UV index

The average daily maximum UV index in October in Mounds is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In October, the maximum UV index of 4 translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures in Mounds?

The high-temperature, in October, in Mounds, is 68.9°F (20.5°C), while the low-temperature averages to 51.1°F (10.6°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is computed to be 86°F (30°C).

What is the least humid month in Mounds?

The least humid month in Mounds, Illinois, is October, with an average relative humidity of 69%.

What is the average humidity in October in Mounds?

In Mounds, Illinois, the average relative humidity in October is 69%.

How many days does it rain in October in Mounds?

In Mounds, Illinois, during October, the rain falls for 11.3 days and regularly aggregates up to 2.68" (68mm) of precipitation.

When does it start to snow in Mounds?

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

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

In October, the average day length in Mounds, Illinois, is 11h and 14min.

When are sunrise and sunset in October in Mounds?

On the first day of October in Mounds, Illinois, sunrise is at 6:52 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:59 pm CDT.

How many hours of sunshine does Mounds have in October?

In October, the average sunshine duration is 6.6h.

What is the UV index reading in October in Mounds?

The average daily maximum UV index in October in Mounds, Illinois, is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from 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
Mounds, IL

Average temperature in October - Mounds, IL
  • Average high temperature in October: 68.9°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41.2°F).

  • Average low temperature in October: 51.1°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in October
Mounds, IL

Average pressure in October - Mounds, IL
  • Average pressure in October: 30.05"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
Mounds, IL

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

The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in October
Mounds, IL

Average humidity in October - Mounds, IL
  • Average humidity in October: 69%

The months with the highest relative humidity are February, March, May and December (78%).
The month with the lowest relative humidity is October (69%).

Average rainfall in October
Mounds, IL

Average rainfall in October - Mounds, IL
  • Average rainfall in October: 2.68"

The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in October
Mounds, IL

Average rainfall days in October - Mounds, IL
  • Average rainfall days in October: 11.3 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.8 days).

Average snowfall in October
Mounds, IL

Average snowfall in October - Mounds, IL
  • Average snowfall in October: 0.08"

The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Mounds, IL

Average snowfall days in October - Mounds, IL
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is February (3.8 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
Mounds, IL

Average daylight in October / Average sunshine in October - Mounds, 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 42min).

  • Average sunshine in October: 6h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in October
Mounds, IL

Average sunshine days in October - Mounds, IL
  • Average sunshine days in October: 18.5 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in October
Mounds, IL

Average UV index in October - Mounds, IL
  • Average UV index in October: 4

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
Mounds, IL

Average cloud cover in October - Mounds, IL
  • Average cloud cover in October: 31

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).

Average visibility in October
Mounds, IL

Average visibility in October - Mounds, 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).

Mounds, Illinois, USA

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