October weather forecast
Macomb, IL

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Weather in October

October, the same as September, is another comfortable autumn month in Macomb, Illinois, with an average temperature fluctuating between 63°F (17.2°C) and 45.9°F (7.7°C).

Temperature

In Macomb, the beginning of October is marked by a lowered average high-temperature, shifting from September's warm 76.8°F (24.9°C) to a refreshing 63°F (17.2°C). The average low-temperature, in October, is a chilly 45.9°F (7.7°C).

Humidity

The least humid month is October, with an average relative humidity of 71%.

Rainfall

In Macomb, during October, the rain falls for 9.4 days and regularly aggregates up to 1.5" (38mm) of precipitation. In Macomb, during the entire year, the rain falls for 122.7 days and collects up to 17.8" (452mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. In Macomb, during the entire year, snow falls for 25.2 days and aggregates up to 5.47" (139mm) of snow.

Daylight

In October, the average length of the day is 11h and 7min.
On the first day of the month, sunrise is at 6:59 am and sunset at 6:44 pm. On the last day of October, sunrise is at 7:32 am and sunset at 6:00 pm CDT.

Sunshine

The average sunshine in October is 5.7h.

UV index

The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In October, the maximum UV index of 3 translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Minimize direct exposure to the Sun during midday when its radiation is at its peak. During bright days, sunglasses that offer UVA and UVB defense are recommended. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

The high-temperature, in October, in Macomb, is 63°F (17.2°C), while the low-temperature averages to 45.9°F (7.7°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 87.8°F (31°C).

What is the least humid month?

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

What is the average humidity in October?

In October, the average relative humidity is 71%.

How many days does it rain in October?

In Macomb, in October, during 9.4 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

How many hours of daylight does Macomb have in October?

In Macomb, the average day length in October is 11h and 7min.

What time are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 6:59 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 6:00 pm CDT.

How many hours of sunshine does Macomb have in October?

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

How high is the UV index in October?

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Macomb, IL

Average temperature in October - Macomb, IL
  • Average high temperature in October: 63°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in October: 45.9°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in October
Macomb, IL

Average pressure in October - Macomb, IL
  • Average pressure in October: 30.02"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in October
Macomb, IL

Average wind speed in October - Macomb, IL
  • Average wind speed in October: 9.3mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in October
Macomb, IL

Average humidity in October - Macomb, IL
  • Average humidity in October: 71%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall in October
Macomb, IL

Average rainfall in October - Macomb, IL
  • Average rainfall in October: 1.5"

The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in October
Macomb, IL

Average rainfall days in October - Macomb, IL
  • Average rainfall days in October: 9.4 days

The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (4.2 days).

Average snowfall in October
Macomb, IL

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

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

Average snowfall days in October
Macomb, IL

Average snowfall days in October - Macomb, IL
  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is January (7.6 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
Macomb, IL

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in October: 5h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in October
Macomb, IL

Average sunshine days in October - Macomb, IL
  • Average sunshine days in October: 19.9 days

The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is June (12.2 days).

Average UV index in October
Macomb, IL

Average UV index in October - Macomb, 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, February, November and December (UV index 2).

Average cloud cover in October
Macomb, IL

Average cloud cover in October - Macomb, IL
  • Average cloud cover in October: 36

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).

Average visibility in October
Macomb, IL

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

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

Macomb, Illinois, USA

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