October weather forecast
Mount Morris, IL

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Weather in October

October, like September, is a moderate autumn month in Mount Morris, Illinois, with an average temperature varying between 43.7°F (6.5°C) and 59.7°F (15.4°C).

Temperature

In October, the average high-temperature goes from a pleasant 73°F (22.8°C) in September to a refreshing 59.7°F (15.4°C). An average nighttime temperature of 43.7°F (6.5°C) is witnessed in Mount Morris throughout October.

Humidity

The months with the lowest humidity are April and October, with an average relative humidity of 75%.

Rainfall

In Mount Morris, Illinois, in October, during 12.5 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, there are 154.8 rainfall days, and 32.36" (822mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Mount Morris are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.8 snowfall days, it receives 0.83" (21mm) of snow. Throughout the year, in Mount Morris, there are 45.5 snowfall days, and 19.25" (489mm) of snow is accumulated.

Daylight

The average length of the day in October in Mount Morris is 11h and 4min.
On the first day of the month, sunrise is at 6:55 am and sunset at 6:38 pm. On the last day of October, sunrise is at 7:30 am and sunset at 5:52 pm CDT.

Sunshine

In October, the average sunshine is 5.2h.

UV index

In Mount Morris, Illinois, 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 exposure to the Sun's UV radiation for ordinary individuals.
Note: In October, a daily UV index of 2 turns into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October in Mount Morris?

During October, Mount Morris experiences an average high-temperature of 59.7°F (15.4°C) and a low-temperature of 43.7°F (6.5°C).

What is the least humid month in Mount Morris?

April and October, with an average relative humidity of 75%, are the least humid months in Mount Morris, Illinois.

What is the average humidity in October in Mount Morris?

In October, the average relative humidity in Mount Morris, Illinois, is 75%.

How much does it rain in Mount Morris in October?

In October, the rain falls for 12.5 days. Throughout October, 2.87" (73mm) of precipitation is accumulated.

When does it start snowing in Mount Morris?

October is the first month it typically snows in Mount Morris, Illinois. Throughout October, in the average 0.8 snowfall days, it receives 0.83" (21mm) of snow.

How many hours of daylight does Mount Morris have in October?

The average day length in October in Mount Morris, Illinois, is 11h and 4min.

What time are sunrise and sunset in October in Mount Morris?

In October, on the first day of the month, sunrise is at 6:55 am and sunset at 6:38 pm. On the last day of the month, in Mount Morris, Illinois, sunrise is at 7:30 am and sunset at 5:52 pm CDT.

How many hours of sunshine does Mount Morris have in October?

In October, the average sunshine duration in Mount Morris, Illinois, is 5.2h.

What is the UV index reading in October in Mount Morris?

In October, the average daily maximum UV index in Mount Morris is 2. A UV Index value of 2, and less, symbolizes 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
Mount Morris, IL

Average temperature in October - Mount Morris, IL
  • Average high temperature in October: 59.7°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in October: 43.7°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).

Average pressure in October
Mount Morris, IL

Average pressure in October - Mount Morris, IL
  • Average pressure in October: 30"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in October
Mount Morris, IL

Average wind speed in October - Mount Morris, IL
  • Average wind speed in October: 9.1mph

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

Average humidity in October
Mount Morris, IL

Average humidity in October - Mount Morris, IL
  • Average humidity in October: 75%

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and October (75%).

Average rainfall in October
Mount Morris, IL

Average rainfall in October - Mount Morris, IL
  • Average rainfall in October: 2.87"

The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is February (1.57").

Average rainfall days in October
Mount Morris, IL

Average rainfall days in October - Mount Morris, IL
  • Average rainfall days in October: 12.5 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (5.3 days).

Average snowfall in October
Mount Morris, IL

Average snowfall in October - Mount Morris, IL
  • Average snowfall in October: 0.83"

The month with the highest snowfall is January (5.79").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Mount Morris, IL

Average snowfall days in October - Mount Morris, IL
  • Average snowfall days in October: 0.8 days

The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Mount Morris, IL

Average daylight in October / Average sunshine in October - Mount Morris, 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 1min

The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in October
Mount Morris, IL

Average sunshine days in October - Mount Morris, IL
  • Average sunshine days in October: 16.3 days

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is June (9.2 days).

Average UV index in October
Mount Morris, IL

Average UV index in October - Mount Morris, IL
  • Average UV index in October: 2

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in October
Mount Morris, IL

Average cloud cover in October - Mount Morris, IL
  • Average cloud cover in October: 43

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).

Average visibility in October
Mount Morris, IL

Average visibility in October - Mount Morris, IL
  • Average visibility in October: 6mi

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

Mount Morris, Illinois, USA

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