Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The shift from September to October involves a decrease in the average high-temperature, dropping from a moderately hot 75°F (23.9°C) to an enjoyable 61.9°F (16.6°C). During October, the average low-temperature is a frosty 46.8°F (8.2°C).Humidity
The least humid month is October, with an average relative humidity of 72%.Rainfall
In October, the rain falls for 11 days. Throughout October, 2.01" (51mm) of precipitation is accumulated. Throughout the year, in Herscher, Illinois, there are 142.1 rainfall days, and 22.56" (573mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. October is the first month it typically snows in Herscher. Throughout October, in the average 0.4 snowfall days, it receives 0.04" (1mm) of snow. In Herscher, Illinois, during the entire year, snow falls for 39 days and aggregates up to 9.02" (229mm) of snow.Daylight
In October, the average length of the day in Herscher 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 October, the average sunshine in Herscher is 5.9h.UV index
The average daily maximum UV index in October in Herscher is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In October, the UV index of 3 transforms into the following advice:
Take precautions - Protection against sun damage is advised. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are October temperatures in Herscher?
What is the least humid month in Herscher?
What is the average humidity in October in Herscher?
How much does it rain in Herscher in October?
When does it start to snow in Herscher?
How many hours of daylight does Herscher have in October?
What time are sunrise and sunset in October in Herscher?
How long on average sun shines in October in Herscher?
What is the UV index intensity in October in Herscher?
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 1min
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 5min
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).
Herscher, Illinois, USA
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