October weather forecast
Blackstone, IL

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Weather in October

October, the same as September, is another comfortable autumn month in Blackstone, Illinois, with an average temperature ranging between min 46°F (7.8°C) and max 61.7°F (16.5°C).

Temperature

As Blackstone enters October, the average high-temperature decreases from the a warm 75°F (23.9°C) of September to an enjoyable 61.7°F (16.5°C). Blackstone records an average low-temperature of 46°F (7.8°C) throughout the month of October.

Humidity

With an average relative humidity of 72%, October is the least humid month.

Rainfall

In October, in Blackstone, the rain falls for 12 days. Throughout October, 2.36" (60mm) of precipitation is accumulated. In Blackstone, during the entire year, the rain falls for 145 days and collects up to 25.08" (637mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Blackstone. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, there are 37.9 snowfall days, and 12.91" (328mm) of snow is accumulated.

Daylight

In October, the average length of the day is 11h and 5min.
On the first day of the month, sunrise is at 6:52 am and sunset at 6:36 pm. On the last day of October, in Blackstone, sunrise is at 7:25 am and sunset at 5:51 pm CDT.

Sunshine

In October, the average sunshine is 5.8h.

UV index

In Blackstone, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 3 during October translates into these guidelines:
Take precautions - Protection against sun damage is advised. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October in Blackstone?

The high-temperature, in October, in Blackstone, records 61.7°F (16.5°C), while the low-temperature is 46°F (7.8°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 87.8°F (31°C).

What is the least humid month in Blackstone?

October is the least humid month, with an average relative humidity of 72%.

What is the average humidity in October in Blackstone?

In October, the average relative humidity is 72%.

How much does it rain in Blackstone in October?

In Blackstone, Illinois, in October, during 12 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

When does it start snowing in Blackstone?

October is the first month it typically snows in Blackstone, Illinois. Throughout October, in the average 0.3 snowfall days, it receives 0.28" (7mm) of snow.

How many hours of daylight does Blackstone have in October?

The average day length in October in Blackstone, Illinois, is 11h and 5min.

When is the sunrise / sunset in October in Blackstone?

On the first day of October in Blackstone, sunrise is at 6:52 am and sunset at 6:36 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:51 pm CDT.

How many hours of sunshine does Blackstone have in October?

The average sunshine duration in October is 5.8h.

What is the UV index intensity in October in Blackstone?

In October, the average daily maximum UV index in Blackstone is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Blackstone, IL

Average temperature in October - Blackstone, IL
  • Average high temperature in October: 61.7°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in October: 46°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

Average pressure in October
Blackstone, IL

Average pressure in October - Blackstone, IL
  • Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in October
Blackstone, IL

Average wind speed in October - Blackstone, IL
  • Average wind speed in October: 9.2mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in October
Blackstone, IL

Average humidity in October - Blackstone, IL
  • Average humidity in October: 72%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).

Average rainfall in October
Blackstone, IL

Average rainfall in October - Blackstone, IL
  • Average rainfall in October: 2.36"

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is December (1.18").

Average rainfall days in October
Blackstone, IL

Average rainfall days in October - Blackstone, IL
  • Average rainfall days in October: 12 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (5.3 days).

Average snowfall in October
Blackstone, IL

Average snowfall in October - Blackstone, IL
  • Average snowfall in October: 0.28"

The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Blackstone, IL

Average snowfall days in October - Blackstone, IL
  • Average snowfall days in October: 0.3 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
Blackstone, IL

Average daylight in October / Average sunshine in October - Blackstone, 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: 5h and 5min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in October
Blackstone, IL

Average sunshine days in October - Blackstone, IL
  • Average sunshine days in October: 17 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (9.2 days).

Average UV index in October
Blackstone, IL

Average UV index in October - Blackstone, IL
  • Average UV index in October: 3

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
Blackstone, IL

Average cloud cover in October - Blackstone, IL
  • Average cloud cover in October: 39

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).

Average visibility in October
Blackstone, IL

Average visibility in October - Blackstone, 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).

Blackstone, Illinois, USA

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