October weather forecastArmington, IL

October

Weather in October

October, like September, in Armington, Illinois, is another enjoyable autumn month, with an average temperature ranging between min 46.9°F (8.3°C) and max 63.3°F (17.4°C).

Temperature

The onset of October coincides with a reduction in the average high-temperature, falling from a warm 76.1°F (24.5°C) in September to a refreshing 63.3°F (17.4°C). Throughout October, an average nighttime temperature of 46.9°F (8.3°C) is experienced in Armington.

Humidity

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

Rainfall

In Armington, in October, during 9.8 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, in Armington, there are 135 rainfall days, and 17.72" (450mm) of precipitation is accumulated.

Snowfall

In Armington, snow does not fall in May through October.

Daylight

The average length of the day in October in Armington is 11h and 7min.
On the first day of the month, sunrise is at 6:54 am and sunset at 6:38 pm. On the last day of October, in Armington, sunrise is at 7:26 am and sunset at 5:55 pm CDT.

Sunshine

The average sunshine in October in Armington is 6h.

UV index

In October, the average daily maximum UV index in Armington is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 3 during October translates into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In October, the average high-temperature and low-temperature in Armington are 63.3°F (17.4°C) and 46.9°F (8.3°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 87.8°F (31°C).

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

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

In October, in Armington, Illinois, the rain falls for 9.8 days. Throughout October, 1.34" (34mm) of precipitation is accumulated.

In Armington, snow does not fall in May through October.

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

In Armington, the average day length in October is 11h and 7min.

In October, on the first day of the month, sunrise is at 6:54 am and sunset at 6:38 pm. On the last day of the month, in Armington, Illinois, sunrise is at 7:26 am and sunset at 5:55 pm CDT.

In October, the average sunshine duration in Armington, Illinois, is 6h.

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

  • Average high temperature in October: 63.3°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in October: 46.9°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in October
Armington, 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 (29.92"Hg).

Average wind speed in October
Armington, IL

  • Average wind speed in October: 9.3mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in October
Armington, IL

  • Average humidity in October: 70%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).

Average rainfall in October
Armington, IL

  • Average rainfall in October: 1.34"

The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is December (0.87").

Average rainfall days in October
Armington, IL

  • Average rainfall days in October: 9.8 days

The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (5.9 days).

Average snowfall in October
Armington, IL

  • Average snowfall in October: 0"

The month with the highest snowfall is January (2.2").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in October
Armington, IL

  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is January (9.5 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
Armington, 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 0min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in October
Armington, IL

  • Average sunshine days in October: 19.5 days

The months with the most sunshine days are November and December (20 days).
The month with the least sunshine days is May (11.6 days).

Average UV index in October
Armington, 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
Armington, IL

  • Average cloud cover in October: 36

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in October
Armington, 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).