October weather forecastSleepy Hollow, IL
October
Weather in October
October, the same as September, in Sleepy Hollow, Illinois, is a moderate autumn month, with an average temperature varying between 59.9°F (15.5°C) and 44.2°F (6.8°C).Temperature
Observing a mild shift, the average high-temperature during October reduces from September's pleasant 73°F (22.8°C) to a mild 59.9°F (15.5°C). During October, the average low-temperature in Sleepy Hollow is a frosty 44.2°F (6.8°C).Humidity
The least humid month in Sleepy Hollow is October, with an average relative humidity of 75%.Rainfall
In Sleepy Hollow, in October, during 13.3 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, in Sleepy Hollow, there are 149.2 rainfall days, and 24.02" (610mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows in Sleepy Hollow. Throughout October, in the average 0.5 snowfall days, it receives 0.16" (4mm) of snow. In Sleepy Hollow, Illinois, during the entire year, snow falls for 47.4 days and aggregates up to 13.07" (332mm) of snow.Daylight
The average length of the day in October is 11h and 4min.On the first day of October, sunrise is at 6:51 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:47 pm CDT.
Sunshine
In October, the average sunshine in Sleepy Hollow is 5.5h.UV index
In October, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 2 during October translates into the following directions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Sleepy Hollow, IL
- Average high temperature in October: 59.9°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in October: 44.2°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 (15.4°F).
Average pressure in October
Sleepy Hollow, IL
- Average pressure in October: 30"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
Sleepy Hollow, IL
- Average wind speed in October: 8.7mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in October
Sleepy Hollow, IL
- Average humidity in October: 75%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in October
Sleepy Hollow, IL
- Average rainfall in October: 2.01"
The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days in October
Sleepy Hollow, IL
- Average rainfall days in October: 13.3 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in October
Sleepy Hollow, IL
- Average snowfall in October: 0.16"
The month with the highest snowfall is January (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Sleepy Hollow, IL
- Average snowfall days in October: 0.5 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
Sleepy Hollow, 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 month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in October
Sleepy Hollow, IL
- Average sunshine days in October: 14.7 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in October
Sleepy Hollow, IL
- Average UV index in October: 2
The months with the highest UV index are 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
Sleepy Hollow, IL
- Average cloud cover in October: 43
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in October
Sleepy Hollow, IL
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
