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
The onset of October brings a small change in high-temperatures, falling from a warm 79.7°F (26.5°C) in September to a refreshing 67.1°F (19.5°C). During October, the average low-temperature in Percy is a frosty 49.1°F (9.5°C).Humidity
The least humid month in Percy, Illinois, is October, with an average relative humidity of 71%.Rainfall
In Percy, in October, during 11.2 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. In Percy, during the entire year, the rain falls for 159.4 days and collects up to 37.2" (945mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Percy. October is the first month it typically snows in Percy. Throughout October, in the average 0.1 snowfall days, it receives 0.24" (6mm) of snow. Throughout the year, in Percy, Illinois, there are 20.9 snowfall days, and 8.11" (206mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 12min.On the first day of the month, sunrise is at 6:54 am and sunset at 6:40 pm. On the last day of October, in Percy, sunrise is at 7:23 am and sunset at 6:00 pm CDT.
Sunshine
In Percy, the average sunshine in October is 6.4h.UV index
In Percy, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 3 during October translates into the following guidance:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Percy in October?
What is the least humid month in Percy?
What is the average humidity in October in Percy?
How many days does it rain in October in Percy?
When does it start snowing in Percy?
How many hours of daylight does Percy have in October?
What time are sunrise and sunset in October in Percy?
How many hours of sunshine does Percy have in October?
What is the UV index intensity in October in Percy?
Average temperature in October
Percy, IL
- Average high temperature in October: 67.1°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in October: 49.1°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in October
Percy, IL
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Percy, IL
- Average wind speed in October: 7.8mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in October
Percy, IL
- Average humidity in October: 71%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Percy, IL
- Average rainfall in October: 3.03"
The wettest month (with the highest rainfall) is May (4.49").
The driest months (with the least rainfall) are February and September (2.13").
Average rainfall days in October
Percy, IL
- Average rainfall days in October: 11.2 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in October
Percy, IL
- Average snowfall in October: 0.24"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Percy, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (7.1 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
Percy, 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 36min).
- Average sunshine in October: 6h and 2min
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 36min).
Average sunshine days in October
Percy, IL
- Average sunshine days in October: 17.6 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in October
Percy, 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 and December (UV index 2).
Average cloud cover in October
Percy, IL
- Average cloud cover in October: 33
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in October
Percy, 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).
Percy, Illinois, USA
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