October weather forecastFlat Rock, IL
October
Weather in October
October, like September, in Flat Rock, Illinois, is another refreshing autumn month, with an average temperature varying between 65.5°F (18.6°C) and 48.6°F (9.2°C).Temperature
Flat Rock's October weather comes with a decrease in average high-temperatures, moving from a warm 77.9°F (25.5°C) in September to a comfortable 65.5°F (18.6°C). During the month of October, the temperature falls to an average of 48.6°F (9.2°C).Humidity
With an average relative humidity of 71%, October is the least humid month.Rainfall
In October, the rain falls for 11.6 days. Throughout October, 2.56" (65mm) of precipitation is accumulated. In Flat Rock, during the entire year, the rain falls for 162.4 days and collects up to 36.85" (936mm) of precipitation.Snowfall
In Flat Rock, snow does not fall in May through October.Daylight
In Flat Rock, the average length of the day in October is 11h and 10min.On the first day of the month, sunrise is at 6:47 am and sunset at 6:32 pm. On the last day of October, sunrise is at 7:17 am and sunset at 5:50 pm CDT.
Sunshine
The average sunshine in October is 6.6h.UV index
In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 3 during October morphs into the following directions:
Take necessary precautions - Defending against sun damage is advocated. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Flat Rock, IL
- Average high temperature in October: 65.5°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in October: 48.6°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in October
Flat Rock, IL
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Flat Rock, IL
- Average wind speed in October: 8.5mph
The windiest months (with the highest average wind speed) are January and February (10mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity in October
Flat Rock, 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
Flat Rock, IL
- Average rainfall in October: 2.56"
The wettest month (with the highest rainfall) is April (5.2").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in October
Flat Rock, IL
- Average rainfall days in October: 11.6 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in October
Flat Rock, IL
- Average snowfall in October: 0"
The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Flat Rock, IL
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Flat Rock, IL
- Average daylight in October: 11h and 12min
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 36min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in October
Flat Rock, IL
- Average sunshine days in October: 17.9 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in October
Flat Rock, 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
Flat Rock, IL
- Average cloud cover in October: 35
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in October
Flat Rock, 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).
