October weather forecastSaint Elmo, IL
October
Weather in October
October, the same as September, is another enjoyable autumn month in Saint Elmo, Illinois, with temperature in the range of an average low of 48.4°F (9.1°C) and an average high of 65.1°F (18.4°C).Temperature
Saint Elmo in October demonstrates a small temperature transition, adjusting from an average high of a moderately hot 77.9°F (25.5°C) in September to an enjoyable 65.1°F (18.4°C). October sees the temperature falling to a mean low of 48.4°F (9.1°C).Humidity
With an average relative humidity of 71%, October is the least humid month in Saint Elmo.Rainfall
In Saint Elmo, Illinois, during October, the rain falls for 9.7 days and regularly aggregates up to 1.97" (50mm) of precipitation. Throughout the year, in Saint Elmo, there are 139.3 rainfall days, and 23.94" (608mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Saint Elmo.Daylight
In Saint Elmo, the average length of the day in October is 11h and 10min.On the first day of October in Saint Elmo, sunrise is at 6:52 am and sunset at 6:37 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:55 pm CDT.
Sunshine
In Saint Elmo, Illinois, the average sunshine in October is 6.3h.UV index
The average daily maximum UV index in October in Saint Elmo is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In October, the maximum UV index of 3 translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Saint Elmo, IL
- Average high temperature in October: 65.1°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in October: 48.4°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in October
Saint Elmo, 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 (29.93"Hg).
Average wind speed in October
Saint Elmo, IL
- Average wind speed in October: 8.7mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in October
Saint Elmo, IL
- Average humidity in October: 71%
The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Saint Elmo, IL
- Average rainfall in October: 1.97"
The wettest months (with the highest rainfall) are April and June (2.95").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in October
Saint Elmo, IL
- Average rainfall days in October: 9.7 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in October
Saint Elmo, IL
- Average snowfall in October: 0"
The month with the highest snowfall is December (1.65").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Saint Elmo, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (5.7 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
Saint Elmo, 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 18min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in October
Saint Elmo, IL
- Average sunshine days in October: 19.4 days
The months with the most sunshine days are January and November (19.5 days).
The months with the least sunshine days are May and July (12.3 days).
Average UV index in October
Saint Elmo, 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
Saint Elmo, IL
- Average cloud cover in October: 34
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in October
Saint Elmo, 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).
