October weather forecast
Andover, IL

Share

Weather in October

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

Temperature

Andover's October weather comes with a decrease in average high-temperatures, moving from a moderately hot 75.4°F (24.1°C) in September to a comfortable 61.3°F (16.3°C). In October, Andover's temperature tends to fall to an average low of 45.5°F (7.5°C) during the night.

Humidity

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

Rainfall

In Andover, in October, during 11 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. 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. 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. In Andover, during the entire year, snow falls for 35.5 days and aggregates up to 7.95" (202mm) of snow.

Daylight

In Andover, the average length of the day in October is 11h and 5min.
On the first day of the month, sunrise is at 6:58 am and sunset at 6:42 pm. On the last day of October, 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 is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 3 in October transforms into the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October?

In Andover, in October, the average high-temperature is 61.3°F (16.3°C), and the average low-temperature is 45.5°F (7.5°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is calculated to be 87.8°F (31°C).

What is the least humid month?

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

What is the average humidity in October?

In October, the average relative humidity is 72%.

How much does it rain in October?

In Andover, Illinois, during October, the rain falls for 11 days and regularly aggregates up to 1.69" (43mm) of precipitation.

When does it start snowing?

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

What is the average length of the day in October?

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

When is the sunrise / sunset in October?

In October, on the first day of the month, 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 long on average sun shines in October?

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

What is the UV index reading in October?

In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health risk 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Andover, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location