October weather forecast
Coal City, IL

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Weather in October

October, like September, in Coal City, Illinois, is another comfortable autumn month, with an average temperature varying between 46°F (7.8°C) and 61.9°F (16.6°C).

Temperature

The transition into October indicates a reduction in the average high-temperature, down to an enjoyable 61.9°F (16.6°C) from September's warm 74.8°F (23.8°C). An average nighttime temperature of 46°F (7.8°C) is observed in Coal City during October.

Humidity

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

Rainfall

In October, in Coal City, the rain falls for 12.7 days. Throughout October, 3.03" (77mm) of precipitation is accumulated. Throughout the year, there are 160.4 rainfall days, and 33.5" (851mm) 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 0.3 snowfall days, it receives 0.16" (4mm) of snow. In Coal City, Illinois, during the entire year, snow falls for 38.7 days and aggregates up to 15.39" (391mm) of snow.

Daylight

In Coal City, the average length of the day in October is 11h and 5min.
On the first day of the month, sunrise is at 6:50 am and sunset at 6:34 pm. On the last day of October, sunrise is at 7:24 am and sunset at 5:49 pm CDT.

Sunshine

The average sunshine in October in Coal City is 6h.

UV index

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 the average person.
Note: The daily maximum UV index of 3 in October interprets into the following advice:
Guard yourself - Avoiding sunburn is suggested. To avoid the Sun's strongest rays, limit exposure around the mid-day period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What is the average October temperature in Coal City?

During October, Coal City experiences an average high-temperature of 61.9°F (16.6°C) and a low-temperature of 46°F (7.8°C). In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is calculated to be 87.8°F (31°C).

What is the least humid month in Coal City?

October is the least humid month in Coal City, with an average relative humidity of 72%.

What is the average humidity in October in Coal City?

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

How much does it rain in Coal City in October?

In Coal City, during October, the rain falls for 12.7 days and regularly aggregates up to 3.03" (77mm) of precipitation.

When does it start snowing in Coal City?

October is the first month it typically snows in Coal City, Illinois. Throughout October, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow.

What is the average length of the day in October in Coal City?

In October, the average day length is 11h and 5min.

When is the sunrise / sunset in October in Coal City?

In October, on the first day of the month, sunrise is at 6:50 am and sunset at 6:34 pm. On the last day of the month, in Coal City, Illinois, sunrise is at 7:24 am and sunset at 5:49 pm CDT.

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

The average sunshine duration in October is 6h.

What is the UV index reading in October in Coal City?

In October, the average daily maximum UV index in Coal City, Illinois, is 3. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to 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
Coal City, IL

Average temperature in October - Coal City, 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 (29.7°F).

  • Average low temperature in October: 46°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

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Average pressure in October
Coal City, IL

Average pressure in October - Coal City, 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).

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Average wind speed in October
Coal City, IL

Average wind speed in October - Coal City, IL
  • Average wind speed in October: 8.8mph

The windiest months (with the highest average wind speed) are January and April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in October
Coal City, IL

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

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in October
Coal City, IL

Average rainfall in October - Coal City, IL
  • Average rainfall in October: 3.03"

The wettest month (with the highest rainfall) is May (4.57").
The driest months (with the least rainfall) are February and November (1.69").

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Average rainfall days in October
Coal City, IL

Average rainfall days in October - Coal City, IL
  • Average rainfall days in October: 12.7 days

The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (5.8 days).

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Average snowfall in October
Coal City, IL

Average snowfall in October - Coal City, IL
  • Average snowfall in October: 0.16"

The month with the highest snowfall is February (4.29").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Coal City, IL

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

The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
Coal City, IL

Average daylight in October / Average sunshine in October - Coal 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 18min).

  • Average sunshine in October: 6h and 0min

The months with the most sunshine are June, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in October
Coal City, IL

Average sunshine days in October - Coal City, IL
  • Average sunshine days in October: 15.7 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (8.6 days).

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Average UV index in October
Coal City, IL

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

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

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Average cloud cover in October
Coal City, IL

Average cloud cover in October - Coal City, 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 33).

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Average visibility in October
Coal City, IL

Average visibility in October - Coal City, IL
  • Average visibility in October: 6mi

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

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Coal City, Illinois, USA

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