October weather forecast
Round Lake Beach, IL

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Weather in October

October, the same as September, in Round Lake Beach, Illinois, is another refreshing autumn month, with an average temperature fluctuating between 45.1°F (7.3°C) and 59°F (15°C).

Temperature

The start of October comes with a reduction in the average high-temperature, receding from a pleasant 72.3°F (22.4°C) in September to a refreshing 59°F (15°C). October sees the temperature falling to a mean low of 45.1°F (7.3°C).

Humidity

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

Rainfall

In October, in Round Lake Beach, Illinois, the rain falls for 13.2 days. Throughout October, 1.89" (48mm) of precipitation is accumulated. In Round Lake Beach, during the entire year, the rain falls for 142.3 days and collects up to 21.97" (558mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows in Round Lake Beach. Throughout October, in the average 0.5 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, there are 49.5 snowfall days, and 13.54" (344mm) of snow is accumulated.

Daylight

The average length of the day in October 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 5:46 pm CDT.

Sunshine

In October, the average sunshine in Round Lake Beach is 5.5h.

UV index

In October, the average daily maximum UV index in Round Lake Beach is 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 2 in October transforms into this advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Frequently asked questions

What is the average October temperature in Round Lake Beach?

The high-temperature, in October, in Round Lake Beach, records 59°F (15°C), while the low-temperature is 45.1°F (7.3°C).

What is the least humid month in Round Lake Beach?

With an average relative humidity of 74%, October is the least humid month in Round Lake Beach, Illinois.

What is the average humidity in October in Round Lake Beach?

The average relative humidity in October is 74%.

How many days does it rain in October in Round Lake Beach?

In October, the rain falls for 13.2 days. Throughout October, 1.89" (48mm) of precipitation is accumulated.

When does it start to snow in Round Lake Beach?

October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.28" (7mm) of snow.

How many hours of daylight does Round Lake Beach have in October?

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

What time are sunrise and sunset in October in Round Lake Beach?

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 5:46 pm CDT.

How many hours of sunshine does Round Lake Beach have in October?

In Round Lake Beach, the average sunshine duration in October is 5.5h.

How high is the UV index in October in Round Lake Beach?

In October, the average daily maximum UV index in Round Lake Beach is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe 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
Round Lake Beach, IL

Average temperature in October - Round Lake Beach, IL
  • Average high temperature in October: 59°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.5°F).

  • Average low temperature in October: 45.1°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

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Average pressure in October
Round Lake Beach, IL

Average pressure in October - Round Lake Beach, IL
  • Average pressure in October: 30"Hg

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in October
Round Lake Beach, IL

Average wind speed in October - Round Lake Beach, IL
  • Average wind speed in October: 9.1mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in October
Round Lake Beach, IL

Average humidity in October - Round Lake Beach, 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%).

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Average rainfall in October
Round Lake Beach, IL

Average rainfall in October - Round Lake Beach, IL
  • Average rainfall in October: 1.89"

The wettest month (with the highest rainfall) is April (2.72").
The driest month (with the least rainfall) is December (0.98").

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Average rainfall days in October
Round Lake Beach, IL

Average rainfall days in October - Round Lake Beach, IL
  • Average rainfall days in October: 13.2 days

The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (5 days).

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Average snowfall in October
Round Lake Beach, IL

Average snowfall in October - Round Lake Beach, IL
  • Average snowfall in October: 0.28"

The month with the highest snowfall is January (3.58").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Round Lake Beach, IL

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

The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
Round Lake Beach, IL

Average daylight in October / Average sunshine in October - Round Lake Beach, IL
  • Average daylight in October: 11h and 0min

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 6min).

  • Average sunshine in October: 5h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in October
Round Lake Beach, IL

Average sunshine days in October - Round Lake Beach, IL
  • Average sunshine days in October: 14.7 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in October
Round Lake Beach, IL

Average UV index in October - Round Lake Beach, 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).

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Average cloud cover in October
Round Lake Beach, IL

Average cloud cover in October - Round Lake Beach, IL
  • Average cloud cover in October: 44

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 30).

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Average visibility in October
Round Lake Beach, IL

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

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

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Round Lake Beach, Illinois, USA

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