October weather forecastHerscher, IL
October
Weather in October
October, like September, in Herscher, Illinois, is another comfortable autumn month, with an average temperature ranging between min 46.8°F (8.2°C) and max 61.9°F (16.6°C).Temperature
Herscher's weather changes with the onset of October, slightly falling from a moderately hot 75°F (23.9°C) in September to a refreshing 61.9°F (16.6°C). Throughout October, the average low-temperature dips to a frosty 46.8°F (8.2°C).Humidity
With an average relative humidity of 72%, October is the least humid month in Herscher, Illinois.Rainfall
In Herscher, in October, it is raining for 11 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, there are 142.1 rainfall days, and 22.56" (573mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 39 snowfall days, and 9.02" (229mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 5min.On the first day of October, sunrise is at 6:49 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:48 pm CDT.
Sunshine
In Herscher, the average sunshine in October is 5.9h.UV index
In Herscher, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In October, the maximum UV index of 3 suggests this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Herscher, IL
- Average high temperature in October: 61.9°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in October: 46.8°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in October
Herscher, IL
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Herscher, IL
- Average wind speed in October: 9mph
The windiest months (with the highest average wind speed) are January and April (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in October
Herscher, IL
- Average humidity in October: 72%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
Herscher, IL
- Average rainfall in October: 2.01"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in October
Herscher, IL
- Average rainfall days in October: 11 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (5 days).
Average snowfall in October
Herscher, IL
- Average snowfall in October: 0.04"
The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Herscher, IL
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is January (11.7 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
Herscher, IL
- Average daylight in October: 11h and 6min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in October: 5h and 54min
The months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in October
Herscher, IL
- Average sunshine days in October: 17.1 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in October
Herscher, IL
- Average UV index in October: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Herscher, IL
- Average cloud cover in October: 40
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in October
Herscher, IL
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





