October weather forecast
New Grand Chain, IL

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Weather in October

October, the same as September, is another comfortable autumn month in New Grand Chain, Illinois, with temperature in the range of an average high of 67.8°F (19.9°C) and an average low of 49.6°F (9.8°C).

Temperature

October's onset brings a slight change in high-temperatures, falling from a warm 81.1°F (27.3°C) in September to a refreshing 67.8°F (19.9°C). The average nighttime temperature lowers to a chilly 49.6°F (9.8°C) throughout October.

Humidity

October is the least humid month in New Grand Chain, with an average relative humidity of 71%.

Rainfall

In New Grand Chain, Illinois, in October, it is raining for 7.5 days, with typically 0.98" (25mm) of accumulated precipitation. In New Grand Chain, during the entire year, the rain falls for 118.3 days and collects up to 13.03" (331mm) of precipitation.

Snowfall

April through October are months without snowfall in New Grand Chain.

Daylight

In New Grand Chain, the average length of the day in October is 11h and 13min.
On the first day of the month, sunrise is at 6:52 am and sunset at 6:38 pm. On the last day of October, sunrise is at 7:20 am and sunset at 5:59 pm CDT.

Sunshine

The average sunshine in October is 6.5h.

UV index

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 3 in October translates into the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in New Grand Chain in October?

October temperatures in New Grand Chain vary between a high-temperature of 67.8°F (19.9°C) and a low-temperature of 49.6°F (9.8°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is estimated at 86°F (30°C).

What is the least humid month in New Grand Chain?

October is the least humid month in New Grand Chain, with an average relative humidity of 71%.

What is the average humidity in October in New Grand Chain?

In October, the average relative humidity in New Grand Chain, Illinois, is 71%.

How much does it rain in New Grand Chain in October?

In New Grand Chain, Illinois, in October, it is raining for 7.5 days, with typically 0.98" (25mm) of accumulated precipitation.

When it does not snow in New Grand Chain?

April through October are months without snowfall in New Grand Chain, Illinois.

Does it snow in New Grand Chain in October?

In New Grand Chain, in October, it doesn't snow. In November, it regularly snows.

How many hours of daylight does New Grand Chain have in October?

The average day length in October in New Grand Chain, Illinois, is 11h and 13min.

When are sunrise and sunset in October in New Grand Chain?

In October, on the first day of the month, sunrise is at 6:52 am and sunset at 6:38 pm. On the last day of the month, in New Grand Chain, sunrise is at 7:20 am and sunset at 5:59 pm CDT.

How long on average sun shines in October in New Grand Chain?

In October, the average sunshine duration in New Grand Chain, Illinois, is 6.5h.

How high is the UV index in October in New Grand Chain?

In New Grand Chain, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to 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
New Grand Chain, IL

Average temperature in October - New Grand Chain, IL
  • Average high temperature in October: 67.8°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in October: 49.6°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).

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Average pressure in October
New Grand Chain, IL

Average pressure in October - New Grand Chain, IL
  • Average pressure in October: 30.05"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in October
New Grand Chain, IL

Average wind speed in October - New Grand Chain, IL
  • Average wind speed in October: 7.6mph

The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in October
New Grand Chain, IL

Average humidity in October - New Grand Chain, IL
  • Average humidity in October: 71%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in October
New Grand Chain, IL

Average rainfall in October - New Grand Chain, IL
  • Average rainfall in October: 0.98"

The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is September (0.47").

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Average rainfall days in October
New Grand Chain, IL

Average rainfall days in October - New Grand Chain, IL
  • Average rainfall days in October: 7.5 days

The month with the highest number of rainy days is July (13.1 days).
The months with the least rainy days are January, February and December (7.3 days).

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Average snowfall in October
New Grand Chain, IL

Average snowfall in October - New Grand Chain, IL
  • Average snowfall in October: 0"

The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in October
New Grand Chain, IL

Average snowfall days in October - New Grand Chain, IL
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
New Grand Chain, IL

Average daylight in October / Average sunshine in October - New Grand Chain, IL
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in October: 6h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

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Average sunshine days in October
New Grand Chain, IL

Average sunshine days in October - New Grand Chain, IL
  • Average sunshine days in October: 21.5 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (14.8 days).

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Average UV index in October
New Grand Chain, IL

Average UV index in October - New Grand Chain, IL
  • Average UV index in October: 3

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in October
New Grand Chain, IL

Average cloud cover in October - New Grand Chain, IL
  • Average cloud cover in October: 33

The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).

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Average visibility in October
New Grand Chain, IL

Average visibility in October - New Grand Chain, 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).

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New Grand Chain, Illinois, USA

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