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
Start of October brings a shift in the average high-temperature, falling from September's warm 79°F (26.1°C) to an enjoyable 66°F (18.9°C). In October, the nighttime temperature in Caseyville lowers to an average of 48.9°F (9.4°C).Humidity
With an average relative humidity of 71%, October is the least humid month in Caseyville, Illinois.Rainfall
In Caseyville, in October, it is raining for 11.1 days, with typically 2.76" (70mm) of accumulated precipitation. In Caseyville, during the entire year, the rain falls for 149.9 days and collects up to 33.94" (862mm) of precipitation.Snowfall
In Caseyville, snow does not fall in April through August and October.Daylight
In October, the average length of the day in Caseyville is 11h and 11min.On the first day of October in Caseyville, sunrise is at 6:56 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 6:00 pm CDT.
Sunshine
In October, the average sunshine in Caseyville, Illinois, is 6.2h.UV index
In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In October, the maximum UV index of 3 translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What are the temperatures in Caseyville in October?
What is the least humid month in Caseyville?
What is the average humidity in October in Caseyville?
How many days does it rain in October in Caseyville?
When it does not snow in Caseyville?
Does it snow in Caseyville in October?
How many hours of daylight does Caseyville have in October?
When are sunrise and sunset in October in Caseyville?
How many hours of sunshine does Caseyville have in October?
What is the UV index intensity in October in Caseyville?
Average temperature in October
Caseyville, IL
- Average high temperature in October: 66°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in October: 48.9°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in October
Caseyville, IL
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Caseyville, IL
- Average wind speed in October: 8mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity in October
Caseyville, IL
- Average humidity in October: 71%
The months with the highest relative humidity are May, July and August (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Caseyville, IL
- Average rainfall in October: 2.76"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is February (1.77").
Average rainfall days in October
Caseyville, IL
- Average rainfall days in October: 11.1 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in October
Caseyville, IL
- Average snowfall in October: 0"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in October
Caseyville, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Caseyville, 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 1min
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 30min).
Average sunshine days in October
Caseyville, IL
- Average sunshine days in October: 18.2 days
The month with the most sunshine days is December (18.6 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in October
Caseyville, 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
Caseyville, IL
- Average cloud cover in October: 33
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in October
Caseyville, 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).
Caseyville, Illinois, USA
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