October weather forecast
Clarke City, IL

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Weather in October

October, like September, in Clarke City, Illinois, is another refreshing autumn month, with temperature in the range of an average low of 46.2°F (7.9°C) and an average high of 62.1°F (16.7°C).

Temperature

With the onset of October, Clarke City experiences a modest temperature adjustment, with the average high-temperature receding from a moderately hot 74.8°F (23.8°C) in September to a refreshing 62.1°F (16.7°C). Nighttime temperatures in October average to a frosty 46.2°F (7.9°C) in Clarke City.

Humidity

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

Rainfall

In Clarke City, in October, during 11.2 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, in Clarke City, there are 140.4 rainfall days, and 21.5" (546mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Clarke City, Illinois, during the entire year, snow falls for 38.1 days and aggregates up to 9.13" (232mm) of snow.

Daylight

The average length of the day in October in Clarke City, Illinois, 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, in Clarke City, sunrise is at 7:23 am and sunset at 5:49 pm CDT.

Sunshine

In Clarke City, the average sunshine in October is 6h.

UV index

In Clarke City, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 3 during October leads to these instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What is the temperature in October in Clarke City?

In October, in Clarke City, the average high-temperature is 62.1°F (16.7°C), and the average low-temperature is 46.2°F (7.9°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is computed to be 87.8°F (31°C).

What is the least humid month in Clarke City?

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

What is the average humidity in October in Clarke City?

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

How much does it rain in Clarke City in October?

In Clarke City, during October, the rain falls for 11.2 days and regularly aggregates up to 1.97" (50mm) of precipitation.

When does it start snowing in Clarke City?

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

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

In Clarke City, Illinois, the average day length in October is 11h and 5min.

What time are sunrise and sunset in October in Clarke City?

On the first day of October, sunrise is at 6:50 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:49 pm CDT.

How many hours of sunshine does Clarke City have in October?

The average sunshine duration in October in Clarke City, Illinois, is 6h.

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

In October, the average daily maximum UV index in Clarke City is 3. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Clarke City, IL

Average temperature in October - Clarke City, IL
  • Average high temperature in October: 62.1°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 (29.8°F).

  • Average low temperature in October: 46.2°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in October
Clarke City, IL

Average pressure in October - Clarke 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
Clarke City, IL

Average wind speed in October - Clarke City, IL
  • Average wind speed in October: 8.9mph

The windiest months (with the highest average wind speed) are January and April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in October
Clarke City, IL

Average humidity in October - Clarke 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
Clarke City, IL

Average rainfall in October - Clarke City, IL
  • Average rainfall in October: 1.97"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is February (0.98").

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Average rainfall days in October
Clarke City, IL

Average rainfall days in October - Clarke City, IL
  • Average rainfall days in October: 11.2 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (5.1 days).

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Average snowfall in October
Clarke City, IL

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

The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Clarke City, IL

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

The month with the highest number of snowfall days is January (11.5 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
Clarke City, IL

Average daylight in October / Average sunshine in October - Clarke 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 month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in October
Clarke City, IL

Average sunshine days in October - Clarke City, IL
  • Average sunshine days in October: 17.2 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (9.5 days).

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Average UV index in October
Clarke City, IL

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

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

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Average cloud cover in October
Clarke City, IL

Average cloud cover in October - Clarke City, IL
  • Average cloud cover in October: 39

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).

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Average visibility in October
Clarke City, IL

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

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

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Clarke City, Illinois, USA

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