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 79°F (26.1°C) in September to an enjoyable 66°F (18.9°C). Collinsville's average low-temperature for the month of October records at a chilly 48.9°F (9.4°C).Humidity
With an average relative humidity of 71%, October is the least humid month in Collinsville.Rainfall
In October, in Collinsville, the rain falls for 11.1 days. Throughout October, 2.76" (70mm) of precipitation is accumulated. In Collinsville, during the entire year, the rain falls for 149.9 days and collects up to 33.94" (862mm) of precipitation.Snowfall
April through August and October are months without snowfall in Collinsville.Daylight
In Collinsville, the average length of the day in October is 11h and 10min.On the first day of the month, sunrise is at 6:56 am and sunset at 6:42 pm. On the last day of October, in Collinsville, sunrise is at 7:26 am and sunset at 6:00 pm CDT.
Sunshine
The average sunshine in October is 6.2h.UV index
The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 3 in October suggests the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What are October temperatures in Collinsville?
What is the least humid month in Collinsville?
What is the average humidity in October in Collinsville?
How many days does it rain in October in Collinsville?
When it does not snow in Collinsville?
Does it snow in Collinsville in October?
How many hours of daylight does Collinsville have in October?
When are sunrise and sunset in October in Collinsville?
How long on average sun shines in October in Collinsville?
How high is the UV index in October in Collinsville?
Average temperature in October
Collinsville, IL
- Average high temperature in October: 66°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in October: 48.9°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in October
Collinsville, IL
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Collinsville, IL
- Average wind speed in October: 8mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity in October
Collinsville, IL
- Average humidity in October: 71%
The months with the highest relative humidity are May, July and August (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Collinsville, IL
- Average rainfall in October: 2.76"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is February (1.77").
Average rainfall days in October
Collinsville, IL
- Average rainfall days in October: 11.1 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in October
Collinsville, IL
- Average snowfall in October: 0"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in October
Collinsville, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in October /
Average sunshine in October
Collinsville, IL
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in October: 6h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in October
Collinsville, IL
- Average sunshine days in October: 18.2 days
The month with the most sunshine days is December (18.6 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in October
Collinsville, IL
- Average UV index in October: 3
The months with the highest UV index are May, 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
Collinsville, IL
- Average cloud cover in October: 33
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in October
Collinsville, IL
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Collinsville, Illinois, USA
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