October weather forecast
Lake Barrington, IL

Share

Weather in October

October, like September, is a moderate autumn month in Lake Barrington, Illinois, with an average temperature fluctuating between 59.5°F (15.3°C) and 45.3°F (7.4°C).

Temperature

In Lake Barrington, the average high-temperature in October decreases from a pleasant 72.9°F (22.7°C) in September to a refreshing 59.5°F (15.3°C). During the month of October, the temperature falls to an average of 45.3°F (7.4°C).

Humidity

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

Rainfall

In Lake Barrington, during October, the rain falls for 14.6 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, there are 163.1 rainfall days, and 32.24" (819mm) 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 0.5 snowfall days, it receives 0.35" (9mm) of snow. Throughout the year, there are 55.5 snowfall days, and 22.95" (583mm) of snow is accumulated.

Daylight

In October, the average length of the day is 11h and 3min.
On the first day of October, sunrise is at 6:50 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:47 pm CDT.

Sunshine

The average sunshine in October is 5.5h.

UV index

In Lake Barrington, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In October, the maximum UV index of 2 translates into these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. To guard against the harmful effects of the Sun, minimize exposure during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature?

In October, in Lake Barrington, the average high-temperature is 59.5°F (15.3°C), and the average low-temperature is 45.3°F (7.4°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 86°F (30°C).

What is the least humid month?

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

What is the average humidity in October?

In Lake Barrington, the average relative humidity in October is 74%.

How much does it rain in October?

In Lake Barrington, in October, it is raining for 14.6 days, with typically 2.72" (69mm) of accumulated precipitation.

When does it start snowing in Lake Barrington?

October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.35" (9mm) of snow.

What is the average length of the day in October?

In October, the average day length is 11h and 3min.

When are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 6:50 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:47 pm CDT.

How long on average sun shines in October?

The average sunshine duration in October is 5.5h.

How high is the UV index in October?

The average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a minimal 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
Lake Barrington, IL

Average temperature in October - Lake Barrington, IL
  • Average high temperature in October: 59.5°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in October: 45.3°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 (16.3°F).

Average pressure in October
Lake Barrington, IL

Average pressure in October - Lake Barrington, IL
  • Average pressure in October: 30"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
Lake Barrington, IL

Average wind speed in October - Lake Barrington, IL
  • Average wind speed in October: 8.8mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in October
Lake Barrington, IL

Average humidity in October - Lake Barrington, IL
  • Average humidity in October: 74%

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

Average rainfall in October
Lake Barrington, IL

Average rainfall in October - Lake Barrington, IL
  • Average rainfall in October: 2.72"

The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is November (1.61").

Average rainfall days in October
Lake Barrington, IL

Average rainfall days in October - Lake Barrington, IL
  • Average rainfall days in October: 14.6 days

The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (5.7 days).

Average snowfall in October
Lake Barrington, IL

Average snowfall in October - Lake Barrington, IL
  • Average snowfall in October: 0.35"

The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Lake Barrington, IL

Average snowfall days in October - Lake Barrington, IL
  • Average snowfall days in October: 0.5 days

The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Lake Barrington, IL

Average daylight in October / Average sunshine in October - Lake Barrington, 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 3min

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
Lake Barrington, IL

Average sunshine days in October - Lake Barrington, IL
  • Average sunshine days in October: 13.7 days

The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is June (8.4 days).

Average UV index in October
Lake Barrington, IL

Average UV index in October - Lake Barrington, IL
  • Average UV index in October: 2

The months with the highest UV index are 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
Lake Barrington, IL

Average cloud cover in October - Lake Barrington, IL
  • Average cloud cover in October: 43

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 31).

Average visibility in October
Lake Barrington, IL

Average visibility in October - Lake Barrington, IL
  • Average visibility in October: 6mi

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

Lake Barrington, Illinois, USA

Weather forecast for your location

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