October weather forecast
Addison, IL

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Weather in October

October, like September, is a moderate autumn month in Addison, Illinois, with temperature in the range of an average low of 46.6°F (8.1°C) and an average high of 60.4°F (15.8°C).

Temperature

October involves a decrease in temperature, down from a moderately hot 73.4°F (23°C) in September to a moderate 60.4°F (15.8°C). Addison's temperature tends to fall to an average low of 46.6°F (8.1°C) during the nights of October.

Humidity

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

Rainfall

In Addison, in October, it is raining for 13 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, there are 149.4 rainfall days, and 25.08" (637mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.35" (9mm) of snow. Throughout the year, there are 45.8 snowfall days, and 14.25" (362mm) of snow is accumulated.

Daylight

The average length of the day in October in Addison, Illinois, is 11h and 4min.
On the first day of the month, sunrise is at 6:49 am and sunset at 6:33 pm. On the last day of October, sunrise is at 7:24 am and sunset at 5:46 pm CDT.

Sunshine

In October, the average sunshine is 5.6h.

UV index

In October, the average daily maximum UV index in Addison is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum UV index of 3 in October translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature?

An average high-temperature, in October, in Addison, is 60.4°F (15.8°C) and the average low-temperature is 46.6°F (8.1°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 87.8°F (31°C).

What is the least humid month?

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

What is the average humidity in October?

In Addison, the average relative humidity in October is 72%.

How much does it rain in October?

In Addison, during October, the rain falls for 13 days and regularly aggregates up to 2.17" (55mm) of precipitation.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.35" (9mm) of snow.

What is the average length of the day in October?

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

When are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 6:49 am and sunset at 6:33 pm. On the last day of the month, in Addison, sunrise is at 7:24 am and sunset at 5:46 pm CDT.

How long on average sun shines in October?

In October, the average sunshine duration is 5.6h.

How high is the UV index in October?

The average daily maximum UV index in October in Addison is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe 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
Addison, IL

Average temperature in October - Addison, IL
  • Average high temperature in October: 60.4°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in October: 46.6°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in October
Addison, IL

Average pressure in October - Addison, 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).

Average wind speed in October
Addison, IL

Average wind speed in October - Addison, IL
  • Average wind speed in October: 9.1mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in October
Addison, IL

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

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall in October
Addison, IL

Average rainfall in October - Addison, IL
  • Average rainfall in October: 2.17"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.14").

Average rainfall days in October
Addison, IL

Average rainfall days in October - Addison, IL
  • Average rainfall days in October: 13 days

The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is February (5.1 days).

Average snowfall in October
Addison, IL

Average snowfall in October - Addison, IL
  • Average snowfall in October: 0.35"

The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Addison, IL

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

The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Addison, 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 months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in October
Addison, IL

Average sunshine days in October - Addison, IL
  • Average sunshine days in October: 14.2 days

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in October
Addison, IL

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in October
Addison, IL

Average cloud cover in October - Addison, IL
  • Average cloud cover in October: 43

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in October
Addison, IL

Average visibility in October - Addison, 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).

Addison, Illinois, USA

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