October weather forecast and climate
Evanston, IL

Weather in October

October, the same as September, in Evanston, Illinois, is another mild autumn month, with temperature in the range of an average low of 49.1°F (9.5°C) and an average high of 58.6°F (14.8°C).

Temperature

In October, the average high-temperature drops, from a pleasant 70.7°F (21.5°C) in September, to a mild 58.6°F (14.8°C). The average low-temperature, in Evanston, is 49.1°F (9.5°C).

Humidity

With an average relative humidity of 73%, October is the least humid month in Evanston, Illinois.

Rainfall

In Evanston, it is raining for 14.4 days, with typically 2.72" (69mm) of accumulated precipitation. Throughout the year, there are 154.1 rainfall days, and 33.31" (846mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 40.5 snowfall days, and 12.76" (324mm) of snow is accumulated.

Daylight

In October, the average length of the day is 11h.

Sunshine

In Evanston, the average sunshine is 5.8h.

UV index

In October, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
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 Evanston?

With an average relative humidity of 73%, October is the least humid month in Evanston, Illinois.

What is the average humidity in October in Evanston?

The average relative humidity in October in Evanston is 73%.

How many days does it rain in October in Evanston?

In Evanston, in October, during 14.4 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

When does it start to snow in Evanston?

October is the first month it typically snows in Evanston, Illinois. Throughout October, in the average 0.4 snowfall days, it receives 0.08" (2mm) of snow.

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

In Evanston, Illinois, the average length of the day in October is 11h.

How many hours of sunshine does Evanston have in October?

In October, the average sunshine in Evanston is 5.8h.

What is the UV index intensity in October in Evanston?

In Evanston, Illinois, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV rays.

Average temperature in October
Evanston, IL

Average temperature in October - Evanston, IL
  • Average high temperature in October: 58.6°F

The warmest month (with the highest average high temperature) is August (77°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in October: 49.1°F

Months with the highest average low temperature are July and August (68°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in October
Evanston, IL

Average pressure in October - Evanston, IL
  • Average pressure in October: 30"

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.92").

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Average wind speed in October
Evanston, IL

Average wind speed in October - Evanston, IL
  • Average wind speed in October: 11.5mph

The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).

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Average humidity in October
Evanston, IL

Average humidity in October - Evanston, IL
  • Average humidity in October: 73%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in October
Evanston, IL

Average rainfall in October - Evanston, IL
  • Average rainfall in October: 2.72"

The wettest month (with the highest rainfall) is June (4.49").
The driest month (with the least rainfall) is December (1.38").

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Average rainfall days in October
Evanston, IL

Average rainfall days in October - Evanston, IL
  • Average rainfall days in October: 14.4 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (5.6 days).

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Average snowfall in October
Evanston, IL

Average snowfall in October - Evanston, IL
  • Average snowfall in October: 0.08"

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

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Average snowfall days in October
Evanston, IL

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

The month with the highest number of snowfall days is January (11.6 days).
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
Evanston, IL

Average daylight in October / Average sunshine in October - Evanston, IL
  • Average daylight in October: 11h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in October: 5.8h

Months with the most sunshine are July and August (Average sunshine: 10.6h).
The month with the least sunshine is January (Average sunshine: 3.6h).

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Average sunshine days in October
Evanston, IL

Average sunshine days in October - Evanston, IL
  • Average sunshine days in October: 13.5 days

The month with the most sunshine days is December (15.3 days).
Months with the least sunshine days are June and July (10.9 days).

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Average UV index in October
Evanston, IL

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

Months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in October
Evanston, IL

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

The month with the most cloud cover is January (Cloud cover 62).
Months with the least cloud cover are July and August (Cloud cover 27).

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Average visibility in October
Evanston, IL

Average visibility in October - Evanston, IL
  • Average visibility in October: 6mi

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

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