October weather forecastMundelein, IL
October
Weather in October
October, like September, is another refreshing autumn month in Mundelein, Illinois, with an average temperature ranging between min 45.5°F (7.5°C) and max 59.2°F (15.1°C).Temperature
The transition into October is accompanied by a temperature decrease, with the average high-temperature shifting from a pleasant 72.9°F (22.7°C) in September to a mild 59.2°F (15.1°C). Throughout October, an average low-temperature of 45.5°F (7.5°C) is experienced.Humidity
With an average relative humidity of 74%, October is the least humid month.Rainfall
In Mundelein, during October, the rain falls for 13.5 days and regularly aggregates up to 2.36" (60mm) of precipitation. Throughout the year, there are 147.3 rainfall days, and 27.44" (697mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.31" (8mm) of snow. In Mundelein, during the entire year, snow falls for 48.2 days and aggregates up to 18.86" (479mm) of snow.Daylight
In Mundelein, the average length of the day in October is 11h and 3min.On the first day of the month, sunrise is at 6:49 am and sunset at 6:32 pm. On the last day of October, sunrise is at 7:24 am and sunset at 5:46 pm CDT.
Sunshine
The average sunshine in October is 5.5h.UV index
In Mundelein, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 2 in October leads to these guidelines:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Mundelein, IL
- Average high temperature in October: 59.2°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in October: 45.5°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in October
Mundelein, IL
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Mundelein, IL
- Average wind speed in October: 9mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in October
Mundelein, IL
- Average humidity in October: 74%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in October
Mundelein, IL
- Average rainfall in October: 2.36"
The wettest month (with the highest rainfall) is June (3.54").
The driest months (with the least rainfall) are November and December (1.3").
Average rainfall days in October
Mundelein, IL
- Average rainfall days in October: 13.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in October
Mundelein, IL
- Average snowfall in October: 0.31"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Mundelein, IL
- Average snowfall days in October: 0.6 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Mundelein, 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 30min
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
Mundelein, IL
- Average sunshine days in October: 14.4 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (10 days).
Average UV index in October
Mundelein, IL
- Average UV index in October: 2
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Mundelein, IL
- Average cloud cover in October: 44
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in October
Mundelein, IL
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





