October weather forecastGarrett, IL
October
Weather in October
October, like September, in Garrett, Illinois, is another refreshing autumn month, with an average temperature varying between 63.9°F (17.7°C) and 48°F (8.9°C).Temperature
During Garrett's transition into October, the average high-temperature lessens, moving from a warm 77.2°F (25.1°C) in September to an enjoyable 63.9°F (17.7°C). In October, the recorded average low-temperature in Garrett is a frosty 48°F (8.9°C).Humidity
October is the least humid month in Garrett, with an average relative humidity of 70%.Rainfall
In Garrett, during October, the rain falls for 10.4 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, there are 144.2 rainfall days, and 22.4" (569mm) of precipitation is accumulated.Snowfall
In Garrett, Illinois, snow does not fall in May through October.Daylight
The average length of the day in October is 11h and 8min.On the first day of the month, sunrise is at 6:50 am and sunset at 6:35 pm. On the last day of October, in Garrett, sunrise is at 7:22 am and sunset at 5:52 pm CDT.
Sunshine
In October, the average sunshine is 6.3h.UV index
In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In October, the maximum UV index of 3 suggests these recommendations:
Take precautions - Protection against skin and eye damage is obliged. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. During bright days, sunglasses that offer UVA and UVB defense are recommended. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Garrett, IL
- Average high temperature in October: 63.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in October: 48°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in October
Garrett, 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 (29.93"Hg).
Average wind speed in October
Garrett, IL
- Average wind speed in October: 9.4mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in October
Garrett, IL
- Average humidity in October: 70%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in October
Garrett, IL
- Average rainfall in October: 1.93"
The wettest month (with the highest rainfall) is April (2.72").
The driest months (with the least rainfall) are February and September (1.26").
Average rainfall days in October
Garrett, IL
- Average rainfall days in October: 10.4 days
The months with the highest number of rainy days are May and July (16.8 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in October
Garrett, IL
- Average snowfall in October: 0"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Garrett, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (8.2 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
Garrett, 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 18min
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 6min).
Average sunshine days in October
Garrett, IL
- Average sunshine days in October: 19 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in October
Garrett, 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
Garrett, IL
- Average cloud cover in October: 35
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in October
Garrett, 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).





