October weather forecast
Calumet City, IL

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Weather in October

October, the same as September, in Calumet City, Illinois, is a moderate autumn month, with temperature in the range of an average high of 60.3°F (15.7°C) and an average low of 47.7°F (8.7°C).

Temperature

As Calumet City enters October, the average high-temperature decreases from the a moderately hot 73.8°F (23.2°C) of September to a moderate 60.3°F (15.7°C). October nights observe an average temperature dip to a chilly 47.7°F (8.7°C).

Humidity

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

Rainfall

In Calumet City, in October, it is raining for 9 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, there are 110.3 rainfall days, and 10.31" (262mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. October is the first month it typically snows in Calumet City. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Calumet City, during the entire year, snow falls for 34.1 days and aggregates up to 4.13" (105mm) of snow.

Daylight

The average length of the day in October is 11h and 4min.
On the first day of the month, sunrise is at 6:47 am and sunset at 6:31 pm. On the last day of October, sunrise is at 7:21 am and sunset at 5:45 pm CDT.

Sunshine

In Calumet City, the average sunshine in October is 5.9h.

UV index

In Calumet City, 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 rays for the ordinary person.
Note: A maximum high daily UV index of 3 during October translates into the following directions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

Frequently asked questions

What is the usual temperature for Calumet City in October?

In Calumet City, in October, the average high-temperature is 60.3°F (15.7°C), and the average low-temperature is 47.7°F (8.7°C).

What is the least humid month?

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

What is the average humidity in October?

In Calumet City, the average relative humidity in October is 72%.

How much does it rain in Calumet City in October?

In October, the rain falls for 9 days. Throughout October, 0.87" (22mm) of precipitation is accumulated.

When does it start to snow?

October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

How many hours of daylight does Calumet City have in October?

In Calumet City, the average day length in October is 11h and 4min.

When is the sunrise / sunset in October?

On the first day of October, sunrise is at 6:47 am and sunset at 6:31 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:45 pm CDT.

How long on average sun shines in October in Calumet City?

In October, the average sunshine duration is 5.9h.

What is the UV index intensity in October?

In October, the average daily maximum UV index 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
Calumet City, IL

Average temperature in October - Calumet City, IL
  • Average high temperature in October: 60.3°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in October: 47.7°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

Average pressure in October
Calumet City, IL

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in October
Calumet City, IL

Average wind speed in October - Calumet City, IL
  • Average wind speed in October: 9.8mph

The windiest month (with the highest average wind speed) is January (11mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in October
Calumet City, IL

Average humidity in October - Calumet City, IL
  • Average humidity in October: 72%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall in October
Calumet City, IL

Average rainfall in October - Calumet City, IL
  • Average rainfall in October: 0.87"

The wettest months (with the highest rainfall) are May and June (1.38").
The driest months (with the least rainfall) are February and December (0.47").

Average rainfall days in October
Calumet City, IL

Average rainfall days in October - Calumet City, IL
  • Average rainfall days in October: 9 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (4.1 days).

Average snowfall in October
Calumet City, IL

Average snowfall in October - Calumet City, IL
  • Average snowfall in October: 0.04"

The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Calumet City, IL

Average snowfall days in October - Calumet City, IL
  • Average snowfall days in October: 0.3 days

The month with the highest number of snowfall days is January (9.3 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
Calumet City, IL

Average daylight in October / Average sunshine in October - Calumet City, 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 12min).

  • Average sunshine in October: 5h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in October
Calumet City, IL

Average sunshine days in October - Calumet City, IL
  • Average sunshine days in October: 18.1 days

The month with the most sunshine days is December (19.8 days).
The month with the least sunshine days is June (13.1 days).

Average UV index in October
Calumet City, IL

Average UV index in October - Calumet City, IL
  • Average UV index in October: 3

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in October
Calumet City, IL

Average cloud cover in October - Calumet City, IL
  • Average cloud cover in October: 41

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in October
Calumet City, IL

Average visibility in October - Calumet City, 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).

Calumet City, Illinois, USA

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