October weather forecast
Carrollton, IL

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Weather in October

October, like September, in Carrollton, Illinois, is another enjoyable autumn month, with an average temperature varying between 47.8°F (8.8°C) and 64.8°F (18.2°C).

Temperature

October indicates a shift in the average high-temperature, from September's warm 78.3°F (25.7°C) to an enjoyable 64.8°F (18.2°C). Carrollton's nights in October experience an average temperature drop to a frosty 47.8°F (8.8°C).

Humidity

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

Rainfall

In October, the rain falls for 8.9 days. Throughout October, 1.1" (28mm) of precipitation is accumulated. Throughout the year, there are 120.6 rainfall days, and 14.17" (360mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In October, the average length of the day is 11h and 9min.
On the first day of October in Carrollton, sunrise is at 6:58 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 6:01 pm CDT.

Sunshine

The average sunshine in October is 6h.

UV index

The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 3 in October translates into these instructions:
Be vigilant - Preventing sunburn is recommended. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.

Frequently asked questions

What is the usual temperature for Carrollton in October?

October temperatures vary between a high-temperature of 64.8°F (18.2°C) and a low-temperature of 47.8°F (8.8°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 91.4°F (33°C).

What is the least humid month?

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

What is the average humidity in October?

In October, the average relative humidity in Carrollton is 71%.

How many days does it rain in October?

In Carrollton, in October, it is raining for 8.9 days, with typically 1.1" (28mm) of accumulated precipitation.

When it does not snow?

April through October are months without snowfall.

Does it snow in October?

In Carrollton, in October, it doesn't snow. In November, it regularly snows.

What is the average length of the day in October?

In October, the average day length is 11h and 9min.

What time are sunrise and sunset in October?

On the first day of October, sunrise is at 6:58 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 6:01 pm CDT.

How many hours of sunshine does Carrollton have in October?

In October, the average sunshine duration is 6h.

What is the UV index reading in October?

The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Carrollton, IL

Average temperature in October - Carrollton, IL
  • Average high temperature in October: 64.8°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in October: 47.8°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

Average pressure in October
Carrollton, IL

Average pressure in October - Carrollton, IL
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in October
Carrollton, IL

Average wind speed in October - Carrollton, IL
  • Average wind speed in October: 8.3mph

The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

Average humidity in October
Carrollton, IL

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

The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in October
Carrollton, IL

Average rainfall in October - Carrollton, IL
  • Average rainfall in October: 1.1"

The wettest month (with the highest rainfall) is June (1.93").
The driest month (with the least rainfall) is November (0.67").

Average rainfall days in October
Carrollton, IL

Average rainfall days in October - Carrollton, IL
  • Average rainfall days in October: 8.9 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (5.6 days).

Average snowfall in October
Carrollton, IL

Average snowfall in October - Carrollton, IL
  • Average snowfall in October: 0"

The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in October
Carrollton, IL

Average snowfall days in October - Carrollton, IL
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (6 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
Carrollton, IL

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in October: 6h and 0min

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

Average sunshine days in October
Carrollton, IL

Average sunshine days in October - Carrollton, IL
  • Average sunshine days in October: 20.9 days

The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is June (12.4 days).

Average UV index in October
Carrollton, IL

Average UV index in October - Carrollton, IL
  • Average UV index in October: 3

The months with the highest UV index are 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
Carrollton, IL

Average cloud cover in October - Carrollton, IL
  • Average cloud cover in October: 34

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

Average visibility in October
Carrollton, IL

Average visibility in October - Carrollton, 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).

Carrollton, Illinois, USA

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