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
A subtle decrease in the average high-temperature marks October, falling from September's warm 77.7°F (25.4°C) to a comfortable 63.9°F (17.7°C). Throughout October, the nighttime temperature averages to a frosty 46.8°F (8.2°C).Humidity
With an average relative humidity of 71%, October is the least humid month.Rainfall
In Clayton, in October, during 10.4 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, there are 132 rainfall days, and 22.17" (563mm) of precipitation is accumulated.Snowfall
In Clayton, 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 7:00 am and sunset at 6:45 pm. On the last day of October, in Clayton, Illinois, sunrise is at 7:32 am and sunset at 6:02 pm CDT.
Sunshine
In October, the average sunshine is 5.7h.UV index
In Clayton, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 3 in October interprets into the following advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What is the temperature in October in Clayton?
What is the least humid month in Clayton?
What is the average humidity in October in Clayton?
How much does it rain in Clayton in October?
When it does not snow in Clayton?
Does it snow in Clayton in October?
What is the average length of the day in October in Clayton?
What time are sunrise and sunset in October in Clayton?
How many hours of sunshine does Clayton have in October?
How high is the UV index in October in Clayton?
Average temperature in October
Clayton, IL
- Average high temperature in October: 63.9°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in October: 46.8°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in October
Clayton, IL
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Clayton, IL
- Average wind speed in October: 8.9mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in October
Clayton, IL
- Average humidity in October: 71%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Clayton, IL
- Average rainfall in October: 1.69"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in October
Clayton, IL
- Average rainfall days in October: 10.4 days
The month with the highest number of rainy days is May (16.9 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall in October
Clayton, IL
- Average snowfall in October: 0"
The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Clayton, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (7.8 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
Clayton, IL
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in October: 5h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in October
Clayton, IL
- Average sunshine days in October: 19.1 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in October
Clayton, 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
Clayton, IL
- Average cloud cover in October: 35
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 30).
Average visibility in October
Clayton, 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).
Clayton, Illinois, USA
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