October weather forecastGlenarm, IL
October
Weather in October
October, the same as September, is another enjoyable autumn month in Glenarm, Illinois, with an average temperature varying between 48.2°F (9°C) and 64.2°F (17.9°C).Temperature
Glenarm's October weather comes with a decrease in average high-temperatures, moving from a warm 77.5°F (25.3°C) in September to a refreshing 64.2°F (17.9°C). An average nighttime temperature of 48.2°F (9°C) is observed in Glenarm during October.Humidity
The least humid month is October, with an average relative humidity of 70%.Rainfall
In October, in Glenarm, the rain falls for 7.7 days. Throughout October, 0.79" (20mm) of precipitation is accumulated. Throughout the year, in Glenarm, there are 104.2 rainfall days, and 9.29" (236mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Glenarm.Daylight
In Glenarm, the average length of the day in October is 11h and 8min.On the first day of the month, sunrise is at 6:55 am and sunset at 6:40 pm. On the last day of October, sunrise is at 7:26 am and sunset at 5:57 pm CDT.
Sunshine
In October, the average sunshine is 6.1h.UV index
The average daily maximum UV index in October in Glenarm is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 3 in October translates into this advice:
Heed the precautions - It is counselled to guard against solar damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Glenarm, IL
- Average high temperature in October: 64.2°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in October: 48.2°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in October
Glenarm, IL
- Average pressure in October: 30.03"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
Glenarm, IL
- Average wind speed in October: 8.9mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in October
Glenarm, IL
- Average humidity in October: 70%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in October
Glenarm, IL
- Average rainfall in October: 0.79"
The wettest month (with the highest rainfall) is June (1.22").
The driest month (with the least rainfall) is December (0.43").
Average rainfall days in October
Glenarm, IL
- Average rainfall days in October: 7.7 days
The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is January (4.4 days).
Average snowfall in October
Glenarm, IL
- Average snowfall in October: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Glenarm, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (5.7 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
Glenarm, IL
- Average daylight in October: 11h and 6min
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: 6h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in October
Glenarm, IL
- Average sunshine days in October: 21.8 days
The month with the most sunshine days is December (22.6 days).
The month with the least sunshine days is June (14 days).
Average UV index in October
Glenarm, 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
Glenarm, IL
- Average cloud cover in October: 34
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are June and September (Cloud cover 29).
Average visibility in October
Glenarm, 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).





