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
A decrease in the average high-temperature is observed during October, shifting from a warm 73.6°F (23.1°C) in September to a moderate 60.6°F (15.9°C). During October, Blue Island sees a mean low-temperature of 47.1°F (8.4°C).Humidity
The least humid month in Blue Island is October, with an average relative humidity of 72%.Rainfall
In October, in Blue Island, the rain falls for 12.8 days. Throughout October, 1.93" (49mm) of precipitation is accumulated. Throughout the year, in Blue Island, Illinois, there are 147.7 rainfall days, and 23.62" (600mm) of precipitation is accumulated.Snowfall
Months with snowfall in Blue Island are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow. In Blue Island, during the entire year, snow falls for 42.4 days and aggregates up to 11.61" (295mm) of snow.Daylight
The average length of the day in October is 11h and 4min.On the first day of the month, sunrise is at 6:48 am and sunset at 6:31 pm. On the last day of October, in Blue Island, Illinois, sunrise is at 7:22 am and sunset at 5:46 pm CDT.
Sunshine
The average sunshine in October is 5.9h.UV index
The average daily maximum UV index in October in Blue Island is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 2 in October translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What are the temperatures in Blue Island in October?
What is the least humid month in Blue Island?
What is the average humidity in October in Blue Island?
How many days does it rain in October in Blue Island?
When does it start snowing in Blue Island?
What is the average length of the day in October in Blue Island?
When are sunrise and sunset in October in Blue Island?
How long on average sun shines in October in Blue Island?
What is the UV index intensity in October in Blue Island?
Average temperature in October
Blue Island, IL
- Average high temperature in October: 60.6°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in October: 47.1°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in October
Blue Island, IL
- Average pressure in October: 30.01"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
Blue Island, IL
- Average wind speed in October: 9.5mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in October
Blue Island, IL
- Average humidity in October: 72%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
Blue Island, IL
- Average rainfall in October: 1.93"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days in October
Blue Island, IL
- Average rainfall days in October: 12.8 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in October
Blue Island, IL
- Average snowfall in October: 0.2"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Blue Island, IL
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is January (11.8 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
Blue Island, 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 5min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in October
Blue Island, IL
- Average sunshine days in October: 14.9 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in October
Blue Island, 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
Blue Island, IL
- Average cloud cover in October: 41
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in October
Blue Island, 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).
Blue Island, Illinois, USA
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