October weather forecast
Barry, IL

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Weather in October

October, the same as September, is another enjoyable autumn month in Barry, Illinois, with temperature in the range of an average high of 64.2°F (17.9°C) and an average low of 47.3°F (8.5°C).

Temperature

The transition into October is accompanied by a temperature decrease, with the average high-temperature shifting from a warm 78.3°F (25.7°C) in September to a comfortable 64.2°F (17.9°C). Barry reports an average nighttime low-temperature of 47.3°F (8.5°C) in October.

Humidity

With an average relative humidity of 71%, October is the least humid month in Barry.

Rainfall

In Barry, in October, during 10 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, in Barry, there are 128.8 rainfall days, and 18.35" (466mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Barry, the average length of the day in October is 11h and 8min.
On the first day of October, sunrise is at 7:01 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 6:03 pm CDT.

Sunshine

In October, the average sunshine is 5.8h.

UV index

In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In October, the maximum UV index of 3 suggests these recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Enhance your sun protection with tightly woven, yet airy clothing. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures in Barry?

During October, Barry experiences an average high-temperature of 64.2°F (17.9°C) and a low-temperature of 47.3°F (8.5°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in August is computed to be 91.4°F (33°C).

What is the least humid month in Barry?

With an average relative humidity of 71%, October is the least humid month in Barry, Illinois.

What is the average humidity in October in Barry?

The average relative humidity in October in Barry, Illinois, is 71%.

How much does it rain in Barry in October?

In October, the rain falls for 10 days. Throughout October, 1.5" (38mm) of precipitation is accumulated.

When it does not snow in Barry?

In Barry, Illinois, snow does not fall in May through October.

Does it snow in Barry in October?

In Barry, Illinois, in October, it doesn't snow. In November, it regularly snows.

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

In Barry, the average day length in October is 11h and 8min.

When is the sunrise / sunset in October in Barry?

On the first day of October in Barry, sunrise is at 7:01 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 6:03 pm CDT.

How long on average sun shines in October in Barry?

In Barry, the average sunshine duration in October is 5.8h.

What is the UV index reading in October in Barry?

In Barry, Illinois, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
Barry, IL

Average temperature in October - Barry, IL
  • Average high temperature in October: 64.2°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in October: 47.3°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in October
Barry, IL

Average pressure in October - Barry, IL
  • Average pressure in October: 30.02"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in October
Barry, IL

Average wind speed in October - Barry, IL
  • Average wind speed in October: 8.5mph

The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6mph).

Average humidity in October
Barry, IL

Average humidity in October - Barry, IL
  • Average humidity in October: 71%

The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in October
Barry, IL

Average rainfall in October - Barry, IL
  • Average rainfall in October: 1.5"

The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is February (0.75").

Average rainfall days in October
Barry, IL

Average rainfall days in October - Barry, IL
  • Average rainfall days in October: 10 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in October
Barry, IL

Average snowfall in October - Barry, IL
  • Average snowfall in October: 0"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in October
Barry, IL

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

The month with the highest number of snowfall days is January (6.3 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
Barry, IL

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in October: 5h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in October
Barry, IL

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

The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in October
Barry, IL

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

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

Average cloud cover in October
Barry, IL

Average cloud cover in October - Barry, IL
  • Average cloud cover in October: 34

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).

Average visibility in October
Barry, IL

Average visibility in October - Barry, 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).

Barry, Illinois, USA

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