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 is marked by a decrease in temperature, transitioning from a moderately hot 78.3°F (25.7°C) in September to an enjoyable 64.2°F (17.9°C). During October nights, Perry records an average temperature of 47.3°F (8.5°C).Humidity
The least humid month in Perry is October, with an average relative humidity of 71%.Rainfall
In Perry, in October, during 10 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, in Perry, there are 128.8 rainfall days, and 18.35" (466mm) of precipitation is accumulated.Snowfall
In Perry, snow does not fall in May through October.Daylight
In Perry, the average length of the day in October is 11h and 8min.On the first day of the month, sunrise is at 6:59 am and sunset at 6:44 pm. On the last day of October, in Perry, sunrise is at 7:31 am and sunset at 6:01 pm CDT.
Sunshine
In October, the average sunshine in Perry, Illinois, is 5.8h.UV index
The average daily maximum UV index in October in Perry is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 3 during October, leads to the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What is the average October temperature in Perry?
What is the least humid month in Perry?
What is the average humidity in October in Perry?
How many days does it rain in October in Perry?
When it does not snow in Perry?
Does it snow in Perry in October?
What is the average length of the day in October in Perry?
What time are sunrise and sunset in October in Perry?
How many hours of sunshine does Perry have in October?
How high is the UV index in October in Perry?
Average temperature in October
Perry, IL
- Average high temperature in October: 64.2°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in October: 47.3°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in October
Perry, 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
Perry, IL
- Average wind speed in October: 8.5mph
The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in October
Perry, IL
- Average humidity in October: 71%
The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Perry, IL
- Average rainfall in October: 1.5"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in October
Perry, IL
- Average rainfall days in October: 10 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in October
Perry, IL
- Average snowfall in October: 0"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Perry, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (6.3 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
Perry, IL
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in October: 5h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in October
Perry, IL
- Average sunshine days in October: 19.5 days
The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in October
Perry, 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
Perry, IL
- Average cloud cover in October: 34
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).
Average visibility in October
Perry, 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).
Perry, Illinois, USA
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