October weather forecastWalnut Hill, IL
October
Weather in October
October, like September, in Walnut Hill, Illinois, is another enjoyable autumn month, with an average temperature varying between 49.1°F (9.5°C) and 66.2°F (19°C).Temperature
Walnut Hill's weather in October involves a decrease in the average high-temperature, moving down from September's moderately hot 78.4°F (25.8°C) to a comfortable 66.2°F (19°C). October nights in Walnut Hill, Illinois, are marked by an average low-temperature of 49.1°F (9.5°C).Humidity
October is the least humid month in Walnut Hill, Illinois, with an average relative humidity of 71%.Rainfall
In October, in Walnut Hill, the rain falls for 5.8 days. Throughout October, 0.67" (17mm) of precipitation is accumulated. Throughout the year, in Walnut Hill, there are 83.2 rainfall days, and 6.81" (173mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Walnut Hill, Illinois.Daylight
In October, the average length of the day is 11h and 11min.On the first day of the month, sunrise is at 6:52 am and sunset at 6:38 pm. On the last day of October, sunrise is at 7:22 am and sunset at 5:57 pm CDT.
Sunshine
In Walnut Hill, the average sunshine in October is 6.3h.UV index
The average daily maximum UV index in October in Walnut Hill is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In October, the maximum UV index of 3 suggests this advice:
Be vigilant - Preventing sunburn is recommended. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Walnut Hill, IL
- Average high temperature in October: 66.2°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in October: 49.1°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in October
Walnut Hill, 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
Walnut Hill, IL
- Average wind speed in October: 8.3mph
The windiest month (with the highest average wind speed) is February (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in October
Walnut Hill, IL
- Average humidity in October: 71%
The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Walnut Hill, IL
- Average rainfall in October: 0.67"
The wettest months (with the highest rainfall) are April and July (0.75").
The driest month (with the least rainfall) is September (0.24").
Average rainfall days in October
Walnut Hill, IL
- Average rainfall days in October: 5.8 days
The month with the highest number of rainy days is May (10.1 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in October
Walnut Hill, IL
- Average snowfall in October: 0"
The month with the highest snowfall is January (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Walnut Hill, IL
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Walnut Hill, 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 18min
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
Walnut Hill, IL
- Average sunshine days in October: 23.5 days
The months with the most sunshine days are January and December (24.5 days).
The month with the least sunshine days is May (16.8 days).
Average UV index in October
Walnut Hill, 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, November and December (UV index 2).
Average cloud cover in October
Walnut Hill, IL
- Average cloud cover in October: 34
The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in October
Walnut Hill, 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).
