Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
October brings a minor decrease, with the average high-temperature reducing from a moderately hot 73.4°F (23°C) in September to a refreshing 60.3°F (15.7°C). Bartlett's average low-temperature in October is measured at a frosty 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, in October, it is raining for 12.2 days, with typically 1.89" (48mm) of accumulated precipitation. In Bartlett, during the entire year, the rain falls for 141.5 days and collects up to 22.76" (578mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, in Bartlett, there are 46.4 snowfall days, and 13.03" (331mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 4min.On the first day of October in Bartlett, Illinois, sunrise is at 6:50 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:47 pm CDT.
Sunshine
The average sunshine in October in Bartlett is 5.4h.UV index
In October, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 2 during October leads to these instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. During bright days, sunglasses that offer UVA and UVB defense are recommended. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What is the average October temperature in Bartlett?
What is the least humid month in Bartlett?
What is the average humidity in October in Bartlett?
How many days does it rain in October in Bartlett?
When does it start snowing in Bartlett?
What is the average length of the day in October in Bartlett?
What time are sunrise and sunset in October in Bartlett?
How long on average sun shines in October in Bartlett?
What is the UV index intensity in October in Bartlett?
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 1min
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 2min
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).
Bartlett, Illinois, USA
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