October weather forecastElmhurst, IL
October
Weather in October
October brings more noticeable changes to the weather in Elmhurst, Illinois, with temperatures falling to an average high of 60.4°F (15.8°C). As mild temperatures take hold, the town starts to prepare for the colder seasons. The shift in season can be recognized in the crimson and golden leaves dancing in slower winds. Sweater weather has arrived and with it, the excitement for Halloween festivities.Temperature
The onset of October introduces a moderate change in Elmhurst's weather, with average high-temperatures falling from September's warm 73.4°F (23°C) to a refreshing 60.4°F (15.8°C). Elmhurst experiences a consistent average temperature of 46.6°F (8.1°C) throughout the nights in October.Humidity
October is the least humid month in Elmhurst, Illinois, with an average relative humidity of 72%.Rainfall
In Elmhurst, Illinois, in October, during 13 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. Throughout the year, in Elmhurst, Illinois, there are 149.4 rainfall days, and 25.08" (637mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Elmhurst. October is the first month it typically snows in Elmhurst. Throughout October, in the average 0.4 snowfall days, it receives 0.35" (9mm) of snow. Throughout the year, there are 45.8 snowfall days, and 14.25" (362mm) of snow is accumulated.Daylight
In October, the average length of the day is 11h and 4min.On the first day of October, sunrise is at 6:49 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:46 pm CDT.
Sunshine
In October, the average sunshine is 5.6h.UV index
In Elmhurst, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 3 in October translates into the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Elmhurst, IL
- Average high temperature in October: 60.4°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in October: 46.6°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in October
Elmhurst, IL
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Elmhurst, IL
- Average wind speed in October: 9.1mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in October
Elmhurst, IL
- Average humidity in October: 72%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
Elmhurst, IL
- Average rainfall in October: 2.17"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.14").
Average rainfall days in October
Elmhurst, IL
- Average rainfall days in October: 13 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in October
Elmhurst, IL
- Average snowfall in October: 0.35"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Elmhurst, IL
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Elmhurst, IL
- Average daylight in October: 11h and 6min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in October: 5h and 36min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in October
Elmhurst, IL
- Average sunshine days in October: 14.2 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in October
Elmhurst, 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 and December (UV index 1).
Average cloud cover in October
Elmhurst, IL
- Average cloud cover in October: 43
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in October
Elmhurst, 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).
