October weather forecast
Evanston, IL

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Weather in October

In October, Evanston is fully immersed in fall with a much cooler climate. This month encompasses vibrant autumn colors and shorter days. With the recorded highest temperature dropping to 58.6°F (14.8°C), the city witnesses a considerable dip in mercury levels as compared to September. The picturesque weather invites outdoor enthusiasts to explore the changing landscape. It's indeed the time to relish the pumpkin spice and everything nice that fall has to offer.

Temperature

Arrival of October comes with a reduction in the average high-temperature, falling from a pleasant 70.7°F (21.5°C) in September to a mild 58.6°F (14.8°C). Evanston experiences a consistent average temperature of 49.1°F (9.5°C) throughout the nights in October.

Humidity

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

Rainfall

In Evanston, in October, it is raining for 14.4 days, with typically 2.72" (69mm) of accumulated precipitation. In Evanston, during the entire year, the rain falls for 154.1 days and collects up to 33.31" (846mm) of precipitation.

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

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 6:31 pm. On the last day of October, sunrise is at 7:23 am and sunset at 5:45 pm CDT.

Sunshine

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

UV index

The average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.
Note: In October, the maximum UV index of 2 suggests these recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.

Frequently asked questions

What are the temperatures in October?

During October, Evanston experiences an average high-temperature of 58.6°F (14.8°C) and a low-temperature of 49.1°F (9.5°C).

What is the least humid month?

The least humid month is October, with an average relative humidity of 73%.

What is the average humidity in October?

In Evanston, the average relative humidity in October is 73%.

How many days does it rain in October?

In Evanston, during October, the rain falls for 14.4 days and regularly aggregates up to 2.72" (69mm) of precipitation.

When does it start to snow?

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

How many hours of daylight does Evanston have in October?

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

When are sunrise and sunset in October?

On the first day of October, sunrise is at 6:48 am and sunset at 6:31 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:45 pm CDT.

How many hours of sunshine does Evanston have in October?

In October, the average sunshine duration is 5.8h.

What is the UV index reading in October?

The average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
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

The 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).

Average pressure in October
Evanston, IL

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

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

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).

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%).

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").

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).

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").
The months with the least snowfall are May, June, July, August and September (0").

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).
The months with the least snowfall days are May, June, July, August and September (0 days).

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 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 5min

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

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).
The months with the least sunshine days are June and July (10.9 days).

Average UV index in October
Evanston, IL

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

The 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).

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).
The months with the least cloud cover are July and August (Cloud cover 27).

Average visibility in October
Evanston, IL

Average visibility in October - Evanston, 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).

Evanston, Illinois, USA

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