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 drop in Roselle's average high-temperature, falling from a warm 73.4°F (23°C) in September to a mild 60.3°F (15.7°C). October brings with it a nighttime average temperature of 45.5°F (7.5°C).Humidity
With an average relative humidity of 73%, October is the least humid month in Roselle, Illinois.Rainfall
In Roselle, during October, the rain falls for 12.8 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, there are 147.4 rainfall days, and 24.69" (627mm) of precipitation is accumulated.Snowfall
Months with snowfall in Roselle are January through May, October through December. October is the first month it typically snows in Roselle. Throughout October, in the average 0.5 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, there are 48.9 snowfall days, and 15.47" (393mm) of snow is accumulated.Daylight
In October, the average length of the day in Roselle is 11h and 4min.On the first day of October in Roselle, Illinois, sunrise is at 6:50 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:47 pm CDT.
Sunshine
In October, the average sunshine in Roselle is 5.4h.UV index
The average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 2 in October transforms into the following instructions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October in Roselle?
What is the least humid month in Roselle?
What is the average humidity in October in Roselle?
How many days does it rain in October in Roselle?
When does it start snowing in Roselle?
What is the average length of the day in October in Roselle?
When are sunrise and sunset in October in Roselle?
How many hours of sunshine does Roselle have in October?
What is the UV index reading in October in Roselle?
Average temperature in October
Roselle, IL
- Average high temperature in October: 60.3°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in October: 45.5°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 (16.5°F).
Average pressure in October
Roselle, 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
Roselle, 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
Roselle, IL
- Average humidity in October: 73%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in October
Roselle, IL
- Average rainfall in October: 2.13"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.14").
Average rainfall days in October
Roselle, IL
- Average rainfall days in October: 12.8 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in October
Roselle, IL
- Average snowfall in October: 0.28"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Roselle, IL
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Roselle, 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 month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in October
Roselle, IL
- Average sunshine days in October: 14.8 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in October
Roselle, 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
Roselle, 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
Roselle, 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).
Roselle, Illinois, USA
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