October weather forecast
Madison, IL

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Weather in October

October, like September, in Madison, Illinois, is another comfortable autumn month, with an average temperature varying between 49.3°F (9.6°C) and 66.2°F (19°C).

Temperature

Madison's weather in October involves a decrease in the average high-temperature, moving down from September's warm 79.3°F (26.3°C) to a comfortable 66.2°F (19°C). An average low-temperature of 49.3°F (9.6°C) is noted in Madison during the month of October.

Humidity

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

Rainfall

In Madison, Illinois, in October, it is raining for 11.2 days, with typically 2.83" (72mm) of accumulated precipitation. In Madison, during the entire year, the rain falls for 159.5 days and collects up to 36.06" (916mm) of precipitation.

Snowfall

In Madison, snow does not fall in April through October.

Daylight

In Madison, Illinois, the average length of the day in October is 11h and 10min.
On the first day of the month, sunrise is at 6:57 am and sunset at 6:42 pm. On the last day of October, sunrise is at 7:27 am and sunset at 6:01 pm CDT.

Sunshine

In October, the average sunshine is 6.2h.

UV index

The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In October, the UV index of 3 transforms into the following advice:
Adopt protective measures - It is advised to guard against sun damage. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October?

Madison in October has an average high-temperature of 66.2°F (19°C) and an average low-temperature of 49.3°F (9.6°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in August is appraised at 95°F (35°C).

What is the least humid month?

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

What is the average humidity in October in Madison?

The average relative humidity in October is 71%.

How much does it rain in October?

In Madison, in October, it is raining for 11.2 days, with typically 2.83" (72mm) of accumulated precipitation.

When it does not snow?

April through October are months without snowfall.

Does it snow in October?

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

How many hours of daylight does Madison have in October?

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

When is the sunrise / sunset in October?

On the first day of October, sunrise is at 6:57 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 6:01 pm CDT.

How many hours of sunshine does Madison have in October?

In October, the average sunshine duration is 6.2h.

How high is the UV index in October?

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 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
Madison, IL

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

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (37.2°F).

  • Average low temperature in October: 49.3°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in October
Madison, IL

Average pressure in October - Madison, 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 (29.92"Hg).

Average wind speed in October
Madison, IL

Average wind speed in October - Madison, IL
  • Average wind speed in October: 7.9mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).

Average humidity in October
Madison, IL

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

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).

Average rainfall in October
Madison, IL

Average rainfall in October - Madison, IL
  • Average rainfall in October: 2.83"

The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is February (1.93").

Average rainfall days in October
Madison, IL

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

The months with the highest number of rainy days are May and July (17.8 days).
The month with the least rainy days is January (8.4 days).

Average snowfall in October
Madison, IL

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

The month with the highest snowfall is February (2.4").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in October
Madison, IL

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

The month with the highest number of snowfall days is January (6.3 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
Madison, IL

Average daylight in October / Average sunshine in October - Madison, 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 1min

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 36min).

Average sunshine days in October
Madison, IL

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

The month with the most sunshine days is December (18 days).
The month with the least sunshine days is June (10.1 days).

Average UV index in October
Madison, IL

Average UV index in October - Madison, 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).

Average cloud cover in October
Madison, IL

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

The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in October
Madison, IL

Average visibility in October - Madison, 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).

Madison, Illinois, USA

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