October weather forecast
Aviston, IL

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Weather in October

October, the same as September, is another comfortable autumn month in Aviston, Illinois, with an average temperature varying between 49.1°F (9.5°C) and 66.4°F (19.1°C).

Temperature

A shift in the average high-temperature occurs in October, reducing from a warm 78.8°F (26°C) in September to an enjoyable 66.4°F (19.1°C). Nightly temperatures in Aviston drop to an average low of 49.1°F (9.5°C) in October.

Humidity

With an average relative humidity of 71%, October is the least humid month in Aviston.

Rainfall

In Aviston, during October, the rain falls for 10.5 days and regularly aggregates up to 2.32" (59mm) of precipitation. Throughout the year, in Aviston, there are 151.1 rainfall days, and 30.43" (773mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Aviston are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 22.4 snowfall days, and 6.1" (155mm) of snow is accumulated.

Daylight

In Aviston, the average length of the day in October is 11h and 11min.
On the first day of the month, sunrise is at 6:54 am and sunset at 6:40 pm. On the last day of October, in Aviston, sunrise is at 7:24 am and sunset at 5:59 pm CDT.

Sunshine

In Aviston, the average sunshine in October is 6.3h.

UV index

In Aviston, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 3 in October transforms into the following instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

What is the temperature in October in Aviston?

Aviston in October has an average high-temperature of 66.4°F (19.1°C) and an average low-temperature of 49.1°F (9.5°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 93.2°F (34°C).

What is the least humid month in Aviston?

With an average relative humidity of 71%, October is the least humid month in Aviston, Illinois.

What is the average humidity in October in Aviston?

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

How many days does it rain in October in Aviston?

In Aviston, Illinois, in October, during 10.5 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

When does it start to snow in Aviston?

October is the first month it typically snows in Aviston. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow.

How many hours of daylight does Aviston have in October?

The average day length in October in Aviston is 11h and 11min.

When is the sunrise / sunset in October in Aviston?

On the first day of October in Aviston, sunrise is at 6:54 am and sunset at 6:40 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:59 pm CDT.

How many hours of sunshine does Aviston have in October?

The average sunshine duration in October is 6.3h.

How high is the UV index in October in Aviston?

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

Average temperature in October
Aviston, IL

Average temperature in October - Aviston, IL
  • Average high temperature in October: 66.4°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in October: 49.1°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

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Average pressure in October
Aviston, IL

Average pressure in October - Aviston, IL
  • Average pressure in October: 30.03"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
Aviston, IL

Average wind speed in October - Aviston, IL
  • Average wind speed in October: 8mph

The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in October
Aviston, IL

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

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in October
Aviston, IL

Average rainfall in October - Aviston, IL
  • Average rainfall in October: 2.32"

The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is February (1.5").

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Average rainfall days in October
Aviston, IL

Average rainfall days in October - Aviston, IL
  • Average rainfall days in October: 10.5 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8 days).

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Average snowfall in October
Aviston, IL

Average snowfall in October - Aviston, IL
  • Average snowfall in October: 0.08"

The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Aviston, IL

Average snowfall days in October - Aviston, IL
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (7.5 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
Aviston, IL

Average daylight in October / Average sunshine in October - Aviston, 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 months with the least sunshine are January and February (Average sunshine: 4h and 36min).

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Average sunshine days in October
Aviston, IL

Average sunshine days in October - Aviston, IL
  • Average sunshine days in October: 18.8 days

The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (11 days).

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Average UV index in October
Aviston, IL

Average UV index in October - Aviston, 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, November and December (UV index 2).

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Average cloud cover in October
Aviston, IL

Average cloud cover in October - Aviston, IL
  • Average cloud cover in October: 32

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).

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Average visibility in October
Aviston, IL

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

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