October weather forecastLong Grove, IL
October
Weather in October
October, the same as September, in Long Grove, Illinois, is another refreshing autumn month, with an average temperature fluctuating between 59.7°F (15.4°C) and 46.2°F (7.9°C).Temperature
The decrease of average high-temperatures is mild in October, with a decline from a pleasant 73°F (22.8°C) in September to a refreshing 59.7°F (15.4°C). In Long Grove, the average nighttime temperature during October is a frosty 46.2°F (7.9°C).Humidity
With an average relative humidity of 73%, October is the least humid month.Rainfall
In Long Grove, during October, the rain falls for 14.4 days and regularly aggregates up to 2.56" (65mm) of precipitation. Throughout the year, there are 154.2 rainfall days, and 28.94" (735mm) 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 0.5 snowfall days, it receives 0.28" (7mm) of snow. In Long Grove, during the entire year, snow falls for 45.4 days and aggregates up to 16.85" (428mm) of snow.Daylight
In October, the average length of the day is 11h and 3min.On the first day of October, sunrise is at 6:49 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:46 pm CDT.
Sunshine
In October, the average sunshine is 5.6h.UV index
In October, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 2 during October translates into these guidelines:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Long Grove, IL
- Average high temperature in October: 59.7°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in October: 46.2°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in October
Long Grove, 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
Long Grove, IL
- Average wind speed in October: 9.2mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in October
Long Grove, IL
- Average humidity in October: 73%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in October
Long Grove, IL
- Average rainfall in October: 2.56"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is December (1.34").
Average rainfall days in October
Long Grove, IL
- Average rainfall days in October: 14.4 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in October
Long Grove, IL
- Average snowfall in October: 0.28"
The month with the highest snowfall is January (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Long Grove, IL
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Long Grove, 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 36min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in October
Long Grove, IL
- Average sunshine days in October: 14 days
The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in October
Long Grove, IL
- Average UV index in October: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Long Grove, IL
- Average cloud cover in October: 43
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in October
Long Grove, IL
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
