October weather forecast
Carterville, IL

englishespañol中文
Share

Weather in October

October, the same as September, is another refreshing autumn month in Carterville, Illinois, with an average temperature fluctuating between 67.3°F (19.6°C) and 49.3°F (9.6°C).

Temperature

A change in temperatures is noted as September gives way to October, with average highs reducing from a moderately hot 80.8°F (27.1°C) to an enjoyable 67.3°F (19.6°C). Carterville's temperature lowers to a mean of 49.3°F (9.6°C) during the nights in October.

Humidity

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

Rainfall

In Carterville, during October, the rain falls for 8.5 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 137.6 rainfall days, and 23.03" (585mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Carterville. October is the first month it typically snows. Throughout October, in the average 0.2 snowfall days, it receives 0.12" (3mm) of snow. In Carterville, during the entire year, snow falls for 14.5 days and aggregates up to 4.13" (105mm) of snow.

Daylight

The average length of the day in October in Carterville is 11h and 12min.
On the first day of October, sunrise is at 6:52 am and sunset at 6:38 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:58 pm CDT.

Sunshine

In October, the average sunshine in Carterville, Illinois, is 6.5h.

UV index

In October, the average daily maximum UV index in Carterville is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index, 3 in October, converts into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. It's recommended to limit sun exposure when its radiation is at its peak during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
[Resources]

Frequently asked questions

What are the temperatures in Carterville in October?

The average high-temperature and low-temperature in Carterville during October are 67.3°F (19.6°C) and 49.3°F (9.6°C) respectively. In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 84.2°F (29°C).

What is the least humid month in Carterville?

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

What is the average humidity in October in Carterville?

The average relative humidity in October in Carterville, Illinois, is 71%.

How much does it rain in Carterville in October?

In October, in Carterville, Illinois, the rain falls for 8.5 days. Throughout October, 1.89" (48mm) of precipitation is accumulated.

When does it start snowing in Carterville?

October is the first month it typically snows in Carterville. Throughout October, in the average 0.2 snowfall days, it receives 0.12" (3mm) of snow.

How many hours of daylight does Carterville have in October?

The average day length in October in Carterville is 11h and 12min.

What time are sunrise and sunset in October in Carterville?

In October, on the first day of the month, sunrise is at 6:52 am and sunset at 6:38 pm. On the last day of the month, in Carterville, sunrise is at 7:21 am and sunset at 5:58 pm CDT.

How many hours of sunshine does Carterville have in October?

In Carterville, the average sunshine duration in October is 6.5h.

How high is the UV index in October in Carterville?

The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's 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
Carterville, IL

Average temperature in October - Carterville, IL
  • Average high temperature in October: 67.3°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in October: 49.3°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

[Resources]

Average pressure in October
Carterville, IL

Average pressure in October - Carterville, 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 (29.94"Hg).

[Resources]

Average wind speed in October
Carterville, IL

Average wind speed in October - Carterville, IL
  • Average wind speed in October: 8.1mph

The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

[Resources]

Average humidity in October
Carterville, IL

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

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

[Resources]

Average rainfall in October
Carterville, IL

Average rainfall in October - Carterville, IL
  • Average rainfall in October: 1.89"

The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.1").

[Resources]

Average rainfall days in October
Carterville, IL

Average rainfall days in October - Carterville, IL
  • Average rainfall days in October: 8.5 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is November (7.8 days).

[Resources]

Average snowfall in October
Carterville, IL

Average snowfall in October - Carterville, IL
  • Average snowfall in October: 0.12"

The months with the highest snowfall are January and February (0.94").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in October
Carterville, IL

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

The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

Average daylight in October /
Average sunshine in October
Carterville, IL

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in October: 6h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

[Resources]

Average sunshine days in October
Carterville, IL

Average sunshine days in October - Carterville, IL
  • Average sunshine days in October: 20.6 days

The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (12.9 days).

[Resources]

Average UV index in October
Carterville, IL

Average UV index in October - Carterville, 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 and December (UV index 2).

[Resources]

Average cloud cover in October
Carterville, IL

Average cloud cover in October - Carterville, IL
  • Average cloud cover in October: 32

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June, August and September (Cloud cover 28).

[Resources]

Average visibility in October
Carterville, IL

Average visibility in October - Carterville, 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).

[Resources]

Carterville, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location