October weather forecast
Clay City, IL

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Weather in October

October, like September, in Clay City, Illinois, is another comfortable autumn month, with an average temperature varying between 49.1°F (9.5°C) and 65.8°F (18.8°C).

Temperature

October weather is marked by a drop in the average high-temperature, falling from a warm 78.6°F (25.9°C) in September to a comfortable 65.8°F (18.8°C). Throughout the month of October, Clay City observes an average nighttime temperature of 49.1°F (9.5°C).

Humidity

With an average relative humidity of 70%, October is the least humid month in Clay City.

Rainfall

In Clay City, in October, it is raining for 11.5 days, with typically 2.99" (76mm) of accumulated precipitation. In Clay City, during the entire year, the rain falls for 167.3 days and collects up to 37.17" (944mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Clay City. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, in Clay City, there are 22.8 snowfall days, and 7.09" (180mm) of snow is accumulated.

Daylight

In Clay City, the average length of the day in October is 11h and 10min.
On the first day of the month, sunrise is at 6:49 am and sunset at 6:35 pm. On the last day of October, in Clay City, sunrise is at 7:19 am and sunset at 5:54 pm CDT.

Sunshine

The average sunshine in October in Clay City is 6.5h.

UV index

In Clay City, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index, 3 in October, converts into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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 Clay City?

The average high-temperature and low-temperature in Clay City, Illinois, during October are 65.8°F (18.8°C) and 49.1°F (9.5°C) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in August is computed to be 91.4°F (33°C).

What is the least humid month in Clay City?

October is the least humid month in Clay City, with an average relative humidity of 70%.

What is the average humidity in October in Clay City?

The average relative humidity in October is 70%.

How many days does it rain in October in Clay City?

In Clay City, Illinois, in October, it is raining for 11.5 days, with typically 2.99" (76mm) of accumulated precipitation.

When does it start to snow in Clay City?

October is the first month it typically snows in Clay City, Illinois. Throughout October, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow.

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

The average day length in October in Clay City is 11h and 10min.

When are sunrise and sunset in October in Clay City?

On the first day of October in Clay City, Illinois, sunrise is at 6:49 am and sunset at 6:35 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:54 pm CDT.

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

The average sunshine duration in October in Clay City, Illinois, is 6.5h.

How high is the UV index in October in Clay City?

In Clay City, Illinois, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate health threat 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
Clay City, IL

Average temperature in October - Clay City, IL
  • Average high temperature in October: 65.8°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in October: 49.1°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in October
Clay City, IL

Average pressure in October - Clay City, IL
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in October
Clay City, IL

Average wind speed in October - Clay City, IL
  • Average wind speed in October: 8.7mph

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in October
Clay City, IL

Average humidity in October - Clay City, IL
  • Average humidity in October: 70%

The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (70%).

Average rainfall in October
Clay City, IL

Average rainfall in October - Clay City, IL
  • Average rainfall in October: 2.99"

The wettest month (with the highest rainfall) is April (4.88").
The driest months (with the least rainfall) are February and September (2.09").

Average rainfall days in October
Clay City, IL

Average rainfall days in October - Clay City, IL
  • Average rainfall days in October: 11.5 days

The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in October
Clay City, IL

Average snowfall in October - Clay City, IL
  • Average snowfall in October: 0.12"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Clay City, IL

Average snowfall days in October - Clay City, IL
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (7.1 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
Clay City, IL

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in October: 6h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in October
Clay City, IL

Average sunshine days in October - Clay City, IL
  • Average sunshine days in October: 17.5 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9 days).

Average UV index in October
Clay City, IL

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

The months with the highest UV index are May, 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
Clay City, IL

Average cloud cover in October - Clay City, IL
  • Average cloud cover in October: 34

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in October
Clay City, IL

Average visibility in October - Clay 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).

Clay City, Illinois, USA

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