October weather forecastOlney, IL
October
Weather in October
October, like September, in Olney, Illinois, is another enjoyable autumn month, with an average temperature varying between 65.8°F (18.8°C) and 49.3°F (9.6°C).Temperature
Welcoming October, Olney observes a shift in the average high-temperature, falling from September's moderately hot 78.1°F (25.6°C) to a refreshing 65.8°F (18.8°C). Throughout October nights, Olney experiences a consistent temperature average of 49.3°F (9.6°C).Humidity
The least humid month in Olney is October, with an average relative humidity of 70%.Rainfall
In Olney, in October, during 10.2 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Olney, during the entire year, the rain falls for 152.3 days and collects up to 27.99" (711mm) of precipitation.Snowfall
May through October are months without snowfall in Olney, Illinois.Daylight
The average length of the day in October in Olney is 11h and 10min.On the first day of the month, sunrise is at 6:48 am and sunset at 6:34 pm. On the last day of October, sunrise is at 7:18 am and sunset at 5:52 pm CDT.
Sunshine
In Olney, the average sunshine in October is 6.6h.UV index
In Olney, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 3 during October leads to these advisories:
Heed the precautions - It is counselled to guard against solar damage. It's recommended to limit sun exposure when its radiation is at its peak during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Olney, IL
- Average high temperature in October: 65.8°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in October: 49.3°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in October
Olney, 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
Olney, IL
- Average wind speed in October: 8.6mph
The windiest months (with the highest average wind speed) are January and February (10.2mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in October
Olney, IL
- Average humidity in October: 70%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in October
Olney, IL
- Average rainfall in October: 2.13"
The wettest month (with the highest rainfall) is April (4.09").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in October
Olney, IL
- Average rainfall days in October: 10.2 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in October
Olney, IL
- Average snowfall in October: 0"
The month with the highest snowfall is January (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Olney, IL
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is January (5.9 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
Olney, IL
- Average daylight in October: 11h and 12min
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 36min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in October
Olney, IL
- Average sunshine days in October: 18.8 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in October
Olney, 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
Olney, IL
- Average cloud cover in October: 33
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in October
Olney, 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).
