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 commencement of October indicates a shift in the average high-temperature, receding from September's agreeable 71.6°F (22°C) to a mild 59.5°F (15.3°C). The average low-temperature of 47.7°F (8.7°C) is witnessed in Northbrook, Illinois, during October.Humidity
The least humid month is October, with an average relative humidity of 73%.Rainfall
In Northbrook, during October, the rain falls for 14.5 days and regularly aggregates up to 2.91" (74mm) of precipitation. In Northbrook, during the entire year, the rain falls for 164.7 days and collects up to 35.28" (896mm) of precipitation.Snowfall
Months with snowfall in Northbrook are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.28" (7mm) of snow. In Northbrook, Illinois, during the entire year, snow falls for 47.6 days and aggregates up to 17.8" (452mm) of snow.Daylight
In October, the average length of the day is 11h and 4min.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 7:23 am and sunset at 5:45 pm CDT.
Sunshine
The average sunshine in October is 5.7h.UV index
In October, the average daily maximum UV index in Northbrook is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 2 in October translates into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What is the average October temperature in Northbrook?
What is the least humid month in Northbrook?
What is the average humidity in October in Northbrook?
How much does it rain in Northbrook in October?
When does it start snowing in Northbrook?
How many hours of daylight does Northbrook have in October?
What time are sunrise and sunset in October in Northbrook?
How long on average sun shines in October in Northbrook?
How high is the UV index in October in Northbrook?
Average temperature in October
Northbrook, IL
- Average high temperature in October: 59.5°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in October: 47.7°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in October
Northbrook, 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
Northbrook, IL
- Average wind speed in October: 10.3mph
The windiest month (with the highest average wind speed) is January (11.5mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).
Average humidity in October
Northbrook, IL
- Average humidity in October: 73%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in October
Northbrook, IL
- Average rainfall in October: 2.91"
The wettest months (with the highest rainfall) are May and June (4.57").
The driest month (with the least rainfall) is December (1.65").
Average rainfall days in October
Northbrook, IL
- Average rainfall days in October: 14.5 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in October
Northbrook, IL
- Average snowfall in October: 0.28"
The month with the highest snowfall is January (4.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Northbrook, IL
- Average snowfall days in October: 0.3 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Northbrook, 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 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in October
Northbrook, IL
- Average sunshine days in October: 13.4 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in October
Northbrook, 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
Northbrook, IL
- Average cloud cover in October: 43
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in October
Northbrook, 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).
Northbrook, Illinois, USA
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