October weather forecast
Andover, IL

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Weather in October

October, like September, in Andover, Illinois, is another enjoyable autumn month, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 61.3°F (16.3°C).

Temperature

October comes with a decrease in the average high-temperature, falling from a warm 75.4°F (24.1°C) in September to an enjoyable 61.3°F (16.3°C). Throughout October, Andover witnesses a consistent average low-temperature of 45.5°F (7.5°C).

Humidity

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

Rainfall

In Andover, in October, it is raining for 11 days, with typically 1.69" (43mm) of accumulated precipitation. In Andover, during the entire year, the rain falls for 127.7 days and collects up to 17.8" (452mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Andover. October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.55" (14mm) of snow. Throughout the year, there are 35.5 snowfall days, and 7.95" (202mm) of snow is accumulated.

Daylight

The average length of the day in October in Andover is 11h and 5min.
On the first day of October, sunrise is at 6:58 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:57 pm CDT.

Sunshine

In Andover, the average sunshine in October is 5.6h.

UV index

The average daily maximum UV index in October in Andover is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In October, the UV index of 3 transforms into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What is the temperature in October in Andover?

During October, Andover experiences an average high-temperature of 61.3°F (16.3°C) and a low-temperature of 45.5°F (7.5°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in July is evaluated at 87.8°F (31°C).

What is the least humid month in Andover?

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

What is the average humidity in October in Andover?

The average relative humidity in October in Andover is 72%.

How much does it rain in Andover in October?

In October, in Andover, Illinois, the rain falls for 11 days. Throughout October, 1.69" (43mm) of precipitation is accumulated.

When does it start to snow in Andover?

October is the first month it typically snows in Andover. Throughout October, in the average 0.6 snowfall days, it receives 0.55" (14mm) of snow.

How many hours of daylight does Andover have in October?

In Andover, Illinois, the average day length in October is 11h and 5min.

When are sunrise and sunset in October in Andover?

On the first day of October in Andover, Illinois, sunrise is at 6:58 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:57 pm CDT.

How many hours of sunshine does Andover have in October?

In Andover, Illinois, the average sunshine duration in October is 5.6h.

What is the UV index reading in October in Andover?

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's 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
Andover, IL

Average temperature in October - Andover, IL
  • Average high temperature in October: 61.3°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 (28.2°F).

  • Average low temperature in October: 45.5°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

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Average pressure in October
Andover, IL

Average pressure in October - Andover, 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 (29.91"Hg).

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Average wind speed in October
Andover, IL

Average wind speed in October - Andover, IL
  • Average wind speed in October: 9.5mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in October
Andover, IL

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

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in October
Andover, IL

Average rainfall in October - Andover, IL
  • Average rainfall in October: 1.69"

The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is December (0.71").

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Average rainfall days in October
Andover, IL

Average rainfall days in October - Andover, IL
  • Average rainfall days in October: 11 days

The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (4 days).

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Average snowfall in October
Andover, IL

Average snowfall in October - Andover, IL
  • Average snowfall in October: 0.55"

The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Andover, IL

Average snowfall days in October - Andover, IL
  • Average snowfall days in October: 0.6 days

The month with the highest number of snowfall days is January (10.5 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
Andover, IL

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

The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in October
Andover, IL

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

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.2 days).

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Average UV index in October
Andover, IL

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

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in October
Andover, IL

Average cloud cover in October - Andover, IL
  • Average cloud cover in October: 38

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).

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Average visibility in October
Andover, IL

Average visibility in October - Andover, IL
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).

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Andover, Illinois, USA

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