October weather forecast
Vernon, IL

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Weather in October

October, the same as September, is another refreshing autumn month in Vernon, Illinois, with an average temperature ranging between min 49.1°F (9.5°C) and max 66.2°F (19°C).

Temperature

October's arrival comes with a decrease in the average high-temperature, moving from a warm 78.3°F (25.7°C) in September to a comfortable 66.2°F (19°C). During October, the average low-temperature is a frosty 49.1°F (9.5°C).

Humidity

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

Rainfall

In Vernon, in October, it is raining for 9.9 days, with typically 2.13" (54mm) of accumulated precipitation. In Vernon, Illinois, during the entire year, the rain falls for 145.5 days and collects up to 28.39" (721mm) of precipitation.

Snowfall

May through October are months without snowfall in Vernon.

Daylight

In Vernon, the average length of the day in October is 11h and 10min.
On the first day of October, sunrise is at 6:52 am and sunset at 6:38 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:56 pm CDT.

Sunshine

The average sunshine in October is 6.4h.

UV index

In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: In October, an average UV index of 3 transforms into the following instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

What is the temperature in October in Vernon?

The high-temperature, in October, in Vernon, is 66.2°F (19°C), while the low-temperature averages to 49.1°F (9.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is appraised at 93.2°F (34°C).

What is the least humid month in Vernon?

The least humid month in Vernon is October, with an average relative humidity of 71%.

What is the average humidity in October in Vernon?

In Vernon, Illinois, the average relative humidity in October is 71%.

How much does it rain in Vernon in October?

In Vernon, during October, the rain falls for 9.9 days and regularly aggregates up to 2.13" (54mm) of precipitation.

When it does not snow in Vernon?

In Vernon, snow does not fall in May through October.

Does it snow in Vernon in October?

In Vernon, Illinois, in October, it doesn't snow. In November, it regularly snows.

How many hours of daylight does Vernon have in October?

In October, the average day length in Vernon, Illinois, is 11h and 10min.

When are sunrise and sunset in October in Vernon?

On the first day of October, sunrise is at 6:52 am and sunset at 6:38 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:56 pm CDT.

How long on average sun shines in October in Vernon?

In October, the average sunshine duration is 6.4h.

How high is the UV index in October in Vernon?

In October, the average daily maximum UV index in Vernon is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
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
Vernon, IL

Average temperature in October - Vernon, IL
  • Average high temperature in October: 66.2°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in October: 49.1°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in October
Vernon, IL

Average pressure in October - Vernon, IL
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in October
Vernon, IL

Average wind speed in October - Vernon, IL
  • Average wind speed in October: 8.4mph

The windiest months (with the highest average wind speed) are January and February (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

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Average humidity in October
Vernon, IL

Average humidity in October - Vernon, IL
  • Average humidity in October: 71%

The months with the highest relative humidity are May, July and August (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in October
Vernon, IL

Average rainfall in October - Vernon, IL
  • Average rainfall in October: 2.13"

The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (1.46").

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Average rainfall days in October
Vernon, IL

Average rainfall days in October - Vernon, IL
  • Average rainfall days in October: 9.9 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (7.2 days).

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Average snowfall in October
Vernon, IL

Average snowfall in October - Vernon, IL
  • Average snowfall in October: 0"

The month with the highest snowfall is January (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in October
Vernon, IL

Average snowfall days in October - Vernon, IL
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in October /
Average sunshine in October
Vernon, IL

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in October: 6h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in October
Vernon, IL

Average sunshine days in October - Vernon, IL
  • Average sunshine days in October: 19.5 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (11.5 days).

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Average UV index in October
Vernon, IL

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

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

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Average cloud cover in October
Vernon, IL

Average cloud cover in October - Vernon, IL
  • Average cloud cover in October: 33

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).

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Average visibility in October
Vernon, IL

Average visibility in October - Vernon, 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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Vernon, Illinois, USA

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