October weather forecast
Delwood, IL

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Weather in October

October, like September, in Delwood, Illinois, is another comfortable autumn month, with an average temperature ranging between min 49.3°F (9.6°C) and max 67.8°F (19.9°C).

Temperature

In the transition to October, Delwood observes a drop in the average high-temperature, moving from a warm 80.8°F (27.1°C) in September to a comfortable 67.8°F (19.9°C). An average low-temperature of 49.3°F (9.6°C) marks the month of October.

Humidity

The least humid month is October, with an average relative humidity of 70%.

Rainfall

In Delwood, during October, the rain falls for 10.5 days and regularly aggregates up to 2.64" (67mm) of precipitation. Throughout the year, there are 158.6 rainfall days, and 36.02" (915mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. October is the first month it typically snows in Delwood. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. In Delwood, during the entire year, snow falls for 17.7 days and aggregates up to 6.57" (167mm) of snow.

Daylight

In October, the average length of the day in Delwood is 11h and 13min.
On the first day of the month, sunrise is at 6:50 am and sunset at 6:36 pm. On the last day of October, sunrise is at 7:19 am and sunset at 5:56 pm CDT.

Sunshine

In October, the average sunshine in Delwood, Illinois, is 6.7h.

UV index

The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In October, an average UV index of 3 transforms into the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. To avoid the Sun's strongest rays, limit exposure around the mid-day period. 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. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Delwood in October?

The average high-temperature and low-temperature in Delwood, Illinois, during October are 67.8°F (19.9°C) and 49.3°F (9.6°C) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is evaluated at 84.2°F (29°C).

What is the least humid month in Delwood?

With an average relative humidity of 70%, October is the least humid month in Delwood.

What is the average humidity in October in Delwood?

In Delwood, Illinois, the average relative humidity in October is 70%.

How many days does it rain in October in Delwood?

In Delwood, Illinois, in October, during 10.5 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

When does it start to snow in Delwood?

October is the first month it typically snows in Delwood, Illinois. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow.

How many hours of daylight does Delwood have in October?

In Delwood, Illinois, the average day length in October is 11h and 13min.

When are sunrise and sunset in October in Delwood?

On the first day of October in Delwood, sunrise is at 6:50 am and sunset at 6:36 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:56 pm CDT.

How long on average sun shines in October in Delwood?

The average sunshine duration in October in Delwood is 6.7h.

What is the UV index intensity in October in Delwood?

In Delwood, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
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
Delwood, IL

Average temperature in October - Delwood, IL
  • Average high temperature in October: 67.8°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in October: 49.3°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in October
Delwood, IL

Average pressure in October - Delwood, IL
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in October
Delwood, IL

Average wind speed in October - Delwood, IL
  • Average wind speed in October: 8mph

The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in October
Delwood, IL

Average humidity in October - Delwood, IL
  • Average humidity in October: 70%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in October
Delwood, IL

Average rainfall in October - Delwood, IL
  • Average rainfall in October: 2.64"

The wettest month (with the highest rainfall) is April (4.8").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in October
Delwood, IL

Average rainfall days in October - Delwood, IL
  • Average rainfall days in October: 10.5 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (9.7 days).

Average snowfall in October
Delwood, IL

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

The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Delwood, IL

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

The month with the highest number of snowfall days is January (5.3 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
Delwood, IL

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in October: 6h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in October
Delwood, IL

Average sunshine days in October - Delwood, IL
  • Average sunshine days in October: 19.5 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (9.9 days).

Average UV index in October
Delwood, IL

Average UV index in October - Delwood, IL
  • Average UV index in October: 3

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in October
Delwood, IL

Average cloud cover in October - Delwood, IL
  • Average cloud cover in October: 32

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).

Average visibility in October
Delwood, IL

Average visibility in October - Delwood, 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).

Delwood, Illinois, USA

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