October weather forecast
Berwyn, IL

Weather in October

October, like September, is another mild autumn month in Berwyn, Illinois, with temperature in the range of an average low of 47.7°F (8.7°C) and an average high of 59.9°F (15.5°C).

Temperature

In October, the average high-temperature drops from a pleasant 72.9°F (22.7°C) in September to a moderate 59.9°F (15.5°C). In Berwyn, the average low-temperature is 47.7°F (8.7°C).

Humidity

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

Rainfall

In Berwyn, in October, it is raining for 6.7 days, with typically 0.67" (17mm) of accumulated precipitation. Throughout the year, there are 92 rainfall days, and 7.4" (188mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Berwyn, Illinois, are January through April, October through December. October is the first month it typically snows in Berwyn, Illinois. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 26.5 snowfall days, and 4.06" (103mm) of snow is accumulated.

Daylight

The average length of the day in October is 11h and 4min.
On the first day of the month, sunrise is at 6:48 am and sunset at 6:33 pm. On the last day of October, sunrise is at 7:22 am and sunset at 5:46 pm CDT.

Sunshine

In October, the average sunshine is 5.8h.

UV index

The average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In October, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the least humid month in Berwyn?

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

What is the average humidity in October in Berwyn?

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

How many days does it rain in October in Berwyn?

In Berwyn, in October, during 6.7 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

When does it start to snow in Berwyn?

October is the first month it typically snows in Berwyn. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the average length of the day in October in Berwyn?

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

What time are sunrise and sunset in October in Berwyn?

In October, on the first day of the month, sunrise is at 6:48 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:46 pm CDT.

How long on average sun shines in October in Berwyn?

The average sunshine duration in October in Berwyn is 5.8h.

What is the UV index intensity in October in Berwyn?

The average daily maximum UV index in October in Berwyn, Illinois, is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Berwyn, IL

Average temperature in October - Berwyn, IL
  • Average high temperature in October: 59.9°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in October: 47.7°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

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Average pressure in October
Berwyn, IL

Average pressure in October - Berwyn, 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).

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Average wind speed in October
Berwyn, IL

Average wind speed in October - Berwyn, IL
  • Average wind speed in October: 9.9mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

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Average humidity in October
Berwyn, IL

Average humidity in October - Berwyn, 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%).

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Average rainfall in October
Berwyn, IL

Average rainfall in October - Berwyn, IL
  • Average rainfall in October: 0.67"

The wettest month (with the highest rainfall) is May (1.1").
The driest months (with the least rainfall) are February, March, November and December (0.39").

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Average rainfall days in October
Berwyn, IL

Average rainfall days in October - Berwyn, IL
  • Average rainfall days in October: 6.7 days

The month with the highest number of rainy days is June (11.7 days).
The month with the least rainy days is January (3.1 days).

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Average snowfall in October
Berwyn, IL

Average snowfall in October - Berwyn, IL
  • Average snowfall in October: 0.04"

The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Berwyn, IL

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

The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Berwyn, IL
  • Average daylight in October: 11h and 4min

The month with the longest days is June (Average daylight: 15h and 10min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in October: 5h and 48min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in October
Berwyn, IL

Average sunshine days in October - Berwyn, IL
  • Average sunshine days in October: 22.4 days

The month with the most sunshine days is December (23.7 days).
The month with the least sunshine days is June (14.3 days).

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Average UV index in October
Berwyn, IL

Average UV index in October - Berwyn, IL
  • Average UV index in October: 2

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).

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Average cloud cover in October
Berwyn, IL

Average cloud cover in October - Berwyn, IL
  • Average cloud cover in October: 41

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in October
Berwyn, IL

Average visibility in October - Berwyn, 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).

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