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
October brings a drop in Rock Falls's average high-temperature, falling from a warm 73.9°F (23.3°C) in September to a refreshing 60.6°F (15.9°C). During October, an average low-temperature of 44.6°F (7°C) is observed in Rock Falls.Humidity
October is the least humid month in Rock Falls, with an average relative humidity of 73%.Rainfall
In Rock Falls, during October, the rain falls for 10.8 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Rock Falls, during the entire year, the rain falls for 130.2 days and collects up to 17.36" (441mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.16" (4mm) of snow. In Rock Falls, during the entire year, snow falls for 34.2 days and aggregates up to 7.87" (200mm) of snow.Daylight
The average length of the day in October in Rock Falls is 11h and 4min.On the first day of the month, sunrise is at 6:56 am and sunset at 6:39 pm. On the last day of October, in Rock Falls, Illinois, sunrise is at 7:30 am and sunset at 5:53 pm CDT.
Sunshine
In October, the average sunshine in Rock Falls is 5.5h.UV index
The average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in October interprets into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What is the usual temperature for Rock Falls in October?
What is the least humid month in Rock Falls?
What is the average humidity in October in Rock Falls?
How many days does it rain in October in Rock Falls?
When does it start snowing in Rock Falls?
How many hours of daylight does Rock Falls have in October?
When is the sunrise / sunset in October in Rock Falls?
How many hours of sunshine does Rock Falls have in October?
What is the UV index reading in October in Rock Falls?
Average temperature in October
Rock Falls, IL
- Average high temperature in October: 60.6°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in October: 44.6°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in October
Rock Falls, 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 (29.91"Hg).
Average wind speed in October
Rock Falls, IL
- Average wind speed in October: 9.1mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in October
Rock Falls, IL
- Average humidity in October: 73%
The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in October
Rock Falls, IL
- Average rainfall in October: 1.65"
The wettest month (with the highest rainfall) is May (2.83").
The driest months (with the least rainfall) are January and February (0.75").
Average rainfall days in October
Rock Falls, IL
- Average rainfall days in October: 10.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in October
Rock Falls, IL
- Average snowfall in October: 0.16"
The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Rock Falls, IL
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (10.2 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
Rock Falls, IL
- Average daylight in October: 11h and 1min
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 3min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in October
Rock Falls, IL
- Average sunshine days in October: 18.6 days
The months with the most sunshine days are November and December (18.8 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in October
Rock Falls, IL
- Average UV index in October: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Rock Falls, IL
- Average cloud cover in October: 40
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in October
Rock Falls, 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).
Rock Falls, Illinois, USA
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