Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The average high-temperature drops in October, from September's warm 80.8°F (27.1°C) to an enjoyable 67.3°F (19.6°C). During the October nights, an average temperature of 49.3°F (9.6°C) is observed.Humidity
With an average relative humidity of 71%, October is the least humid month.Rainfall
In Carterville, in October, it is raining for 8.5 days, with typically 1.89" (48mm) of accumulated precipitation. In Carterville, during the entire year, the rain falls for 137.6 days and collects up to 23.03" (585mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.2 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 14.5 snowfall days, and 4.13" (105mm) of snow is accumulated.Daylight
In Carterville, the average length of the day in October is 11h and 12min.On the first day of the month, sunrise is at 6:52 am and sunset at 6:38 pm. On the last day of October, sunrise is at 7:21 am and sunset at 5:58 pm CDT.
Sunshine
In Carterville, the average sunshine in October is 6.5h.UV index
In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 3 in October converts into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Carterville in October?
What is the least humid month?
What is the average humidity in October in Carterville?
How much does it rain in October?
When does it start to snow in Carterville?
What is the average length of the day in October?
When is the sunrise / sunset in October?
How long on average sun shines in October?
What is the UV index reading in October?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Carterville, Illinois, USA
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