October weather forecast
Walnut, IL

englishespañol中文
Share

Weather in October

October, like September, in Walnut, Illinois, is another refreshing autumn month, with an average temperature ranging between min 45°F (7.2°C) and max 61°F (16.1°C).

Temperature

October indicates a shift in the average high-temperature, from September's moderately hot 74.3°F (23.5°C) to a refreshing 61°F (16.1°C). Walnut records an average temperature drop to a chilly 45°F (7.2°C) in October.

Humidity

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

Rainfall

In Walnut, during October, the rain falls for 9.5 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Walnut, during the entire year, the rain falls for 114.5 days and collects up to 12.72" (323mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Walnut. October is the first month it typically snows in Walnut. Throughout October, in the average 0.5 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 31.5 snowfall days, and 5.2" (132mm) of snow is accumulated.

Daylight

In October, the average length of the day in Walnut is 11h and 5min.
On the first day of October in Walnut, sunrise is at 6:55 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:54 pm CDT.

Sunshine

In October, the average sunshine in Walnut is 5.5h.

UV index

The average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.
Note: In October, a regular UV index of 2 translates into these guidelines:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
[Resources]

Frequently asked questions

What is the temperature in October in Walnut?

In October, in Walnut, the average high-temperature is 61°F (16.1°C), and the average low-temperature is 45°F (7.2°C).

What is the least humid month in Walnut?

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

What is the average humidity in October in Walnut?

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

How much does it rain in Walnut in October?

In Walnut, Illinois, in October, during 9.5 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

When does it start to snow in Walnut?

October is the first month it typically snows in Walnut. Throughout October, in the average 0.5 snowfall days, it receives 0.12" (3mm) of snow.

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

The average day length in October in Walnut is 11h and 5min.

When is the sunrise / sunset in October in Walnut?

In October, on the first day of the month, sunrise is at 6:55 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:54 pm CDT.

How long on average sun shines in October in Walnut?

The average sunshine duration in October in Walnut, Illinois, is 5.5h.

What is the UV index reading in October in Walnut?

In Walnut, Illinois, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
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
Walnut, IL

Average temperature in October - Walnut, IL
  • Average high temperature in October: 61°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.5°F).

  • Average low temperature in October: 45°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).

[Resources]

Average pressure in October
Walnut, IL

Average pressure in October - Walnut, IL
  • Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

[Resources]

Average wind speed in October
Walnut, IL

Average wind speed in October - Walnut, IL
  • Average wind speed in October: 9.3mph

The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

[Resources]

Average humidity in October
Walnut, IL

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

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (73%).

[Resources]

Average rainfall in October
Walnut, IL

Average rainfall in October - Walnut, IL
  • Average rainfall in October: 1.14"

The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is January (0.55").

[Resources]

Average rainfall days in October
Walnut, IL

Average rainfall days in October - Walnut, IL
  • Average rainfall days in October: 9.5 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (3.8 days).

[Resources]

Average snowfall in October
Walnut, IL

Average snowfall in October - Walnut, IL
  • Average snowfall in October: 0.12"

The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in October
Walnut, IL

Average snowfall days in October - Walnut, IL
  • Average snowfall days in October: 0.5 days

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

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

Average daylight in October / Average sunshine in October - Walnut, IL
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
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 June, July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

[Resources]

Average sunshine days in October
Walnut, IL

Average sunshine days in October - Walnut, IL
  • Average sunshine days in October: 19.7 days

The month with the most sunshine days is December (20.8 days).
The month with the least sunshine days is June (13.5 days).

[Resources]

Average UV index in October
Walnut, IL

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

[Resources]

Average cloud cover in October
Walnut, IL

Average cloud cover in October - Walnut, IL
  • Average cloud cover in October: 40

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 32).

[Resources]

Average visibility in October
Walnut, IL

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

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

[Resources]

Walnut, Illinois, USA

Weather forecast for your location

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