October weather forecastBartlett, IL
October
Weather in October
October, the same as September, in Bartlett, Illinois, is another refreshing autumn month, with an average temperature fluctuating between 45.3°F (7.4°C) and 60.3°F (15.7°C).Temperature
With the onset of October, Bartlett's average high-temperature adjusts, receding from September's warm 73.4°F (23°C) to a refreshing 60.3°F (15.7°C). During October, Bartlett experiences a consistent low-temperature average of 45.3°F (7.4°C).Humidity
The least humid month in Bartlett is October, with an average relative humidity of 74%.Rainfall
In Bartlett, during October, the rain falls for 12.2 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 141.5 rainfall days, and 22.76" (578mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows in Bartlett. Throughout October, in the average 0.5 snowfall days, it receives 0.16" (4mm) of snow. In Bartlett, during the entire year, snow falls for 46.4 days and aggregates up to 13.03" (331mm) of snow.Daylight
In October, the average length of the day is 11h and 4min.On the first day of the month, sunrise is at 6:50 am and sunset at 6:33 pm. On the last day of October, sunrise is at 7:25 am and sunset at 5:47 pm CDT.
Sunshine
In Bartlett, the average sunshine in October is 5.4h.UV index
In Bartlett, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 2 in October transforms into this advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Bartlett, IL
- Average high temperature in October: 60.3°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 (27.7°F).
- Average low temperature in October: 45.3°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 (16.3°F).
Average pressure in October
Bartlett, 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
Bartlett, IL
- Average wind speed in October: 8.8mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in October
Bartlett, IL
- Average humidity in October: 74%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in October
Bartlett, IL
- Average rainfall in October: 1.89"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days in October
Bartlett, IL
- Average rainfall days in October: 12.2 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in October
Bartlett, IL
- Average snowfall in October: 0.16"
The month with the highest snowfall is January (3.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Bartlett, IL
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Bartlett, 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 24min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in October
Bartlett, IL
- Average sunshine days in October: 15 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in October
Bartlett, IL
- Average UV index in October: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Bartlett, IL
- Average cloud cover in October: 44
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 33).
Average visibility in October
Bartlett, IL
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





