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 shows a mild decline in the average high-temperature, falling from September's warm 76.3°F (24.6°C) to a comfortable 63.1°F (17.3°C). Clinton records a consistent low-temperature of 47.3°F (8.5°C) during October nights.Humidity
October is the least humid month, with an average relative humidity of 70%.Rainfall
In Clinton, in October, during 12 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. Throughout the year, there are 165.4 rainfall days, and 33.78" (858mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 36.9 snowfall days, and 14.76" (375mm) of snow is accumulated.Daylight
In Clinton, the average length of the day in October is 11h and 8min.On the first day of October, sunrise is at 6:52 am and sunset at 6:37 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:53 pm CDT.
Sunshine
In October, the average sunshine is 6h.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 radiation for the average person.Note: In October, the maximum UV index of 3 transforms into these recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Always opt for UVA and UVB-resistant sunglasses on radiant days. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October?
What is the least humid month?
What is the average humidity in October?
How much does it rain in October?
When does it start snowing?
What is the average length of the day in October?
When are sunrise and sunset in October?
How many hours of sunshine does Clinton have in October?
How high is the UV index in October?
Average temperature in October
Clinton, IL
- Average high temperature in October: 63.1°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 (31.8°F).
- Average low temperature in October: 47.3°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in October
Clinton, IL
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Clinton, IL
- Average wind speed in October: 9.6mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in October
Clinton, IL
- Average humidity in October: 70%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall in October
Clinton, IL
- Average rainfall in October: 2.76"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is December (1.89").
Average rainfall days in October
Clinton, IL
- Average rainfall days in October: 12 days
The months with the highest number of rainy days are May and July (20.2 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in October
Clinton, IL
- Average snowfall in October: 0.08"
The month with the highest snowfall is January (4.49").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Clinton, IL
- Average snowfall days in October: 0.3 days
The month with the highest number of snowfall days is January (12 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
Clinton, 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: 6h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in October
Clinton, IL
- Average sunshine days in October: 16.5 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in October
Clinton, 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
Clinton, IL
- Average cloud cover in October: 37
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in October
Clinton, IL
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Clinton, Illinois, USA
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