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
Onset of October comes with a temperature decline, the average high falling from a warm 74.8°F (23.8°C) in September to an enjoyable 61.7°F (16.5°C). During the October nights, an average temperature of 46.6°F (8.1°C) is observed.Humidity
October is the least humid month, with an average relative humidity of 72%.Rainfall
In Grant Park, in October, during 10 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In Grant Park, during the entire year, the rain falls for 132 days and collects up to 15.16" (385mm) of precipitation.Snowfall
May through October are months without snowfall in Grant Park, Illinois.Daylight
In October, the average length of the day is 11h and 5min.On the first day of October, sunrise is at 6:48 am and sunset at 6:31 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:46 pm CDT.
Sunshine
In October, the average sunshine in Grant Park is 6.1h.UV index
In Grant Park, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: In October, an average UV index of 2 transforms into the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What are October temperatures in Grant Park?
What is the least humid month in Grant Park?
What is the average humidity in October in Grant Park?
How many days does it rain in October in Grant Park?
When it does not snow in Grant Park?
Does it snow in Grant Park in October?
How many hours of daylight does Grant Park have in October?
When is the sunrise / sunset in October in Grant Park?
How long on average sun shines in October in Grant Park?
How high is the UV index in October in Grant Park?
Average temperature in October
Grant Park, IL
- Average high temperature in October: 61.7°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 (30°F).
- Average low temperature in October: 46.6°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in October
Grant Park, 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 (29.92"Hg).
Average wind speed in October
Grant Park, IL
- Average wind speed in October: 8.9mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in October
Grant Park, IL
- Average humidity in October: 72%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
Grant Park, IL
- Average rainfall in October: 1.18"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in October
Grant Park, IL
- Average rainfall days in October: 10 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in October
Grant Park, IL
- Average snowfall in October: 0"
The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Grant Park, IL
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is January (10.3 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
Grant Park, IL
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in October: 6h and 1min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in October
Grant Park, IL
- Average sunshine days in October: 18.2 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in October
Grant Park, IL
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Grant Park, IL
- Average cloud cover in October: 39
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in October
Grant Park, 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).
Grant Park, Illinois, USA
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