October weather forecastEast Saint Louis, IL
October
Weather in October
October, like September, in East Saint Louis, Illinois, is another refreshing autumn month, with an average temperature varying between 49.1°F (9.5°C) and 66.4°F (19.1°C).Temperature
The start of October signals a decrease in the average high-temperature, transitioning from a moderately hot 79.3°F (26.3°C) in September to a comfortable 66.4°F (19.1°C). East Saint Louis's average low-temperature in October is measured at a frosty 49.1°F (9.5°C).Humidity
The least humid month is October, with an average relative humidity of 71%.Rainfall
In East Saint Louis, during October, the rain falls for 11.3 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, there are 154.5 rainfall days, and 35.51" (902mm) of precipitation is accumulated.Snowfall
In East Saint Louis, snow does not fall in April through October.Daylight
The average length of the day in October is 11h and 11min.On the first day of the month, sunrise is at 6:57 am and sunset at 6:42 pm. On the last day of October, sunrise is at 7:27 am and sunset at 6:01 pm CDT.
Sunshine
The average sunshine in October in East Saint Louis is 6.2h.UV index
In East Saint Louis, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 3 in October translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
East Saint Louis, IL
- Average high temperature in October: 66.4°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in October: 49.1°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 (24.4°F).
Average pressure in October
East Saint Louis, 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
East Saint Louis, IL
- Average wind speed in October: 7.8mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in October
East Saint Louis, IL
- Average humidity in October: 71%
The months with the highest relative humidity are May and July (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
East Saint Louis, IL
- Average rainfall in October: 2.83"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days in October
East Saint Louis, IL
- Average rainfall days in October: 11.3 days
The months with the highest number of rainy days are May and July (17.5 days).
The month with the least rainy days is January (8 days).
Average snowfall in October
East Saint Louis, IL
- Average snowfall in October: 0"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
East Saint Louis, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (7.3 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
East Saint Louis, IL
- Average daylight in October: 11h and 12min
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 12min
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 36min).
Average sunshine days in October
East Saint Louis, IL
- Average sunshine days in October: 17.9 days
The month with the most sunshine days is December (18.8 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in October
East Saint Louis, 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
East Saint Louis, IL
- Average cloud cover in October: 33
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in October
East Saint Louis, 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).
