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
Arlington Heights experiences a temperature shift at the start of October, with average high-temperatures adjusting from an agreeable 73.2°F (22.9°C) in September to a moderate 60.1°F (15.6°C). In the month of October, Arlington Heights experiences an average low-temperature of 45.7°F (7.6°C).Humidity
October is the least humid month, with an average relative humidity of 73%.Rainfall
In Arlington Heights, in October, during 13.4 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, in Arlington Heights, there are 142.7 rainfall days, and 27.91" (709mm) of precipitation is accumulated.Snowfall
Months with snowfall in Arlington Heights are January through May, October through December. October is the first month it typically snows in Arlington Heights. Throughout October, in the average 0.5 snowfall days, it receives 0.51" (13mm) of snow. Throughout the year, there are 48.8 snowfall days, and 21.02" (534mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 4min.On the first day of the month, sunrise is at 6:49 am and sunset at 6:32 pm. On the last day of October, sunrise is at 7:24 am and sunset at 5:46 pm CDT.
Sunshine
In Arlington Heights, Illinois, the average sunshine in October is 5.5h.UV index
In Arlington Heights, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 in October translates into these instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What are October temperatures in Arlington Heights?
What is the least humid month in Arlington Heights?
What is the average humidity in October in Arlington Heights?
How much does it rain in Arlington Heights in October?
When does it start snowing in Arlington Heights?
What is the average length of the day in October in Arlington Heights?
When are sunrise and sunset in October in Arlington Heights?
How many hours of sunshine does Arlington Heights have in October?
What is the UV index intensity in October in Arlington Heights?
Average temperature in October
Arlington Heights, IL
- Average high temperature in October: 60.1°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 (27.9°F).
- Average low temperature in October: 45.7°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in October
Arlington Heights, 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
Arlington Heights, IL
- Average wind speed in October: 8.9mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in October
Arlington Heights, IL
- Average humidity in October: 73%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in October
Arlington Heights, IL
- Average rainfall in October: 2.48"
The wettest months (with the highest rainfall) are April and May (3.46").
The driest month (with the least rainfall) is November (1.57").
Average rainfall days in October
Arlington Heights, IL
- Average rainfall days in October: 13.4 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in October
Arlington Heights, IL
- Average snowfall in October: 0.51"
The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Arlington Heights, IL
- Average snowfall days in October: 0.5 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
Arlington Heights, 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 months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in October
Arlington Heights, IL
- Average sunshine days in October: 15.3 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in October
Arlington Heights, 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
Arlington Heights, IL
- Average cloud cover in October: 44
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in October
Arlington Heights, IL
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Arlington Heights, Illinois, USA
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