October weather forecast
Bristol, IL

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Weather in October

October, like September, in Bristol, Illinois, is another enjoyable autumn month, with an average temperature fluctuating between 45.1°F (7.3°C) and 60.8°F (16°C).

Temperature

The average high-temperature drops in October, from September's warm 74.1°F (23.4°C) to a refreshing 60.8°F (16°C). Throughout October, an average nighttime temperature of 45.1°F (7.3°C) is experienced.

Humidity

October is the least humid month in Bristol, Illinois, with an average relative humidity of 74%.

Rainfall

In October, in Bristol, the rain falls for 11.2 days. Throughout October, 1.46" (37mm) of precipitation is accumulated. In Bristol, during the entire year, the rain falls for 133.1 days and collects up to 16.93" (430mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Bristol. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 39.5 snowfall days, and 6.69" (170mm) of snow is accumulated.

Daylight

In October, the average length of the day in Bristol is 11h and 4min.
On the first day of the month, sunrise is at 6:51 am and sunset at 6:34 pm. On the last day of October, sunrise is at 7:25 am and sunset at 5:49 pm CDT.

Sunshine

In Bristol, the average sunshine in October is 5.7h.

UV index

The average daily maximum UV index in October in Bristol is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: In October, a daily UV index of 2 turns into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Enhance your sun protection with tightly woven, yet airy clothing. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

What is the temperature in October in Bristol?

An average high-temperature, in October, in Bristol, is 60.8°F (16°C) and the average low-temperature is 45.1°F (7.3°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in July is evaluated at 87.8°F (31°C).

What is the least humid month in Bristol?

The least humid month is October, with an average relative humidity of 74%.

What is the average humidity in October in Bristol?

In October, the average relative humidity in Bristol, Illinois, is 74%.

How many days does it rain in October in Bristol?

In Bristol, in October, during 11.2 rainfall days, 1.46" (37mm) of precipitation is typically accumulated.

When does it start snowing in Bristol?

October is the first month it typically snows in Bristol. Throughout October, in the average 0.4 snowfall days, it receives 0.16" (4mm) of snow.

What is the average length of the day in October in Bristol?

In October, the average day length in Bristol, Illinois, is 11h and 4min.

When is the sunrise / sunset in October in Bristol?

On the first day of October in Bristol, Illinois, sunrise is at 6:51 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:49 pm CDT.

How many hours of sunshine does Bristol have in October?

The average sunshine duration in October in Bristol, Illinois, is 5.7h.

What is the UV index reading in October in Bristol?

The average daily maximum UV index in October in Bristol is 2. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
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
Bristol, IL

Average temperature in October - Bristol, IL
  • Average high temperature in October: 60.8°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in October: 45.1°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

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Average pressure in October
Bristol, IL

Average pressure in October - Bristol, 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).

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Average wind speed in October
Bristol, IL

Average wind speed in October - Bristol, IL
  • Average wind speed in October: 8.6mph

The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in October
Bristol, IL

Average humidity in October - Bristol, IL
  • Average humidity in October: 74%

The months with the highest relative humidity are January, February, July and August (83%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in October
Bristol, IL

Average rainfall in October - Bristol, IL
  • Average rainfall in October: 1.46"

The wettest month (with the highest rainfall) is June (2.24").
The driest months (with the least rainfall) are November and December (0.75").

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Average rainfall days in October
Bristol, IL

Average rainfall days in October - Bristol, IL
  • Average rainfall days in October: 11.2 days

The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (4.3 days).

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Average snowfall in October
Bristol, IL

Average snowfall in October - Bristol, IL
  • Average snowfall in October: 0.16"

The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Bristol, IL

Average snowfall days in October - Bristol, IL
  • Average snowfall days in October: 0.4 days

The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Bristol, 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 4min

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

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Average sunshine days in October
Bristol, IL

Average sunshine days in October - Bristol, IL
  • Average sunshine days in October: 17.6 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10.2 days).

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Average UV index in October
Bristol, IL

Average UV index in October - Bristol, IL
  • Average UV index in October: 2

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).

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Average cloud cover in October
Bristol, IL

Average cloud cover in October - Bristol, 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 September (Cloud cover 32).

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Average visibility in October
Bristol, IL

Average visibility in October - Bristol, 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).

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Bristol, Illinois, USA

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