October weather forecastRyan, IL

October

Weather in October

October, like September, in Ryan, Illinois, is another enjoyable autumn month, with an average temperature varying between 47.1°F (8.4°C) and 63.1°F (17.3°C).

Temperature

In Ryan, entering October brings a temperature decrement, reducing from September's warm 76.1°F (24.5°C) to an enjoyable 63.1°F (17.3°C). Throughout October, Ryan encounters an average temperature drop to a chilly 47.1°F (8.4°C).

Humidity

With an average relative humidity of 72%, October is the least humid month in Ryan, Illinois.

Rainfall

In October, in Ryan, the rain falls for 12.4 days. Throughout October, 2.05" (52mm) of precipitation is accumulated. Throughout the year, in Ryan, there are 151.8 rainfall days, and 25.63" (651mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Ryan.

Daylight

In Ryan, the average length of the day in October is 11h and 8min.
On the first day of October in Ryan, sunrise is at 6:48 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:49 pm CDT.

Sunshine

The average sunshine in October in Ryan is 6.3h.

UV index

In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 3 during October, leads to the following recommendations:
Take precautions - Protection against sun damage is advised. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During October, Ryan experiences an average high-temperature of 63.1°F (17.3°C) and a low-temperature of 47.1°F (8.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is appraised at 86°F (30°C).

With an average relative humidity of 72%, October is the least humid month in Ryan, Illinois.

In October, the average relative humidity is 72%.

In October, in Ryan, the rain falls for 12.4 days. Throughout October, 2.05" (52mm) of precipitation is accumulated.

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

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

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

On the first day of October, sunrise is at 6:48 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:49 pm CDT.

The average sunshine duration in October in Ryan is 6.3h.

In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Ryan, IL

  • Average high temperature in October: 63.1°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in October: 47.1°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure in October
Ryan, IL

  • Average pressure in October: 30.02"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in October
Ryan, IL

  • Average wind speed in October: 9.1mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in October
Ryan, IL

  • Average humidity in October: 72%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in October
Ryan, IL

  • Average rainfall in October: 2.05"

The wettest month (with the highest rainfall) is April (3.23").
The driest months (with the least rainfall) are February and September (1.38").

Average rainfall days in October
Ryan, IL

  • Average rainfall days in October: 12.4 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.6 days).

Average snowfall in October
Ryan, IL

  • Average snowfall in October: 0"

The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in October
Ryan, IL

  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (10.6 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
Ryan, IL

  • Average daylight in October: 11h and 6min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in October: 6h and 18min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in October
Ryan, IL

  • Average sunshine days in October: 16.5 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in October
Ryan, 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
Ryan, IL

  • Average cloud cover in October: 37

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).

Average visibility in October
Ryan, 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).