October weather forecastAlgonquin, IL
October
Weather in October
October, the same as September, in Algonquin, Illinois, is another mild autumn month, with an average temperature fluctuating between 59.5°F (15.3°C) and 44.2°F (6.8°C).Temperature
The transition into October is accompanied by a temperature decrease, with the average high-temperature shifting from a pleasant 72.5°F (22.5°C) in September to a refreshing 59.5°F (15.3°C). The low-temperature averages to a chilly 44.2°F (6.8°C) during the nights of October.Humidity
The months with the lowest humidity in Algonquin are April and October, with an average relative humidity of 76%.Rainfall
In Algonquin, in October, during 11.5 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. In Algonquin, Illinois, during the entire year, the rain falls for 132.8 days and collects up to 15.47" (393mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 43.2 snowfall days, and 7.4" (188mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 3min.On the first day of the month, sunrise is at 6:51 am and sunset at 6:34 pm. On the last day of October, in Algonquin, sunrise is at 7:25 am and sunset at 5:47 pm CDT.
Sunshine
In October, the average sunshine is 5.5h.UV index
The average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In October, the maximum UV index of 2 suggests these recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Algonquin, IL
- Average high temperature in October: 59.5°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in October: 44.2°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in October
Algonquin, IL
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Algonquin, IL
- Average wind speed in October: 8.7mph
The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in October
Algonquin, IL
- Average humidity in October: 76%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in October
Algonquin, IL
- Average rainfall in October: 1.22"
The wettest months (with the highest rainfall) are April and August (1.89").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in October
Algonquin, IL
- Average rainfall days in October: 11.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in October
Algonquin, IL
- Average snowfall in October: 0.12"
The month with the highest snowfall is January (2.01").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Algonquin, IL
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Algonquin, IL
- Average daylight in October: 11h and 6min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in October: 5h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in October
Algonquin, IL
- Average sunshine days in October: 16.5 days
The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in October
Algonquin, 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).
Average cloud cover in October
Algonquin, IL
- Average cloud cover in October: 43
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July, August and September (Cloud cover 32).
Average visibility in October
Algonquin, IL
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
